Expand reactor demo telemetry and stability handling

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root
2026-03-31 14:26:10 +02:00
parent 2c69a5a0c1
commit 2e3ba8a9bf
21 changed files with 4030 additions and 3916 deletions

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.gitignore vendored
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@@ -1,136 +1,136 @@
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380
LICENSE
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@@ -1,190 +1,190 @@
EUROPEAN UNION PUBLIC LICENCE v. 1.2
EUPL © the European Union 2007, 2016
This European Union Public Licence (the EUPL) applies to the Work (as defined below) which is provided under the
terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
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as Source Code and also as Executable Code as the case may be.
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modifications thereof. This Licence does not define the extent of modification or dependence on the Original Work
required in order to classify a work as a Derivative Work; this extent is determined by copyright law applicable in
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The Work:the Original Work or its Derivative Works.
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obligations are the following:
Attribution right: The Licensee shall keep intact all copyright, patent or trademarks notices and all notices that refer to
the Licence and to the disclaimer of warranties. The Licensee must include a copy of such notices and a copy of the
Licence with every copy of the Work he/she distributes or communicates. The Licensee must cause any Derivative Work
to carry prominent notices stating that the Work has been modified and the date of modification.
Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
Distribution or Communication will be done under the terms of this Licence or of a later version of this Licence unless
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the Work and another work licensed under a Compatible Licence, this Distribution or Communication can be done
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liable for any direct or indirect, material or moral, damages of any kind, arising out of the Licence or of the use of the
Work, including without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, loss
of data or any commercial damage, even if the Licensor has been advised of the possibility of such damage. However,
the Licensor will be liable under statutory product liability laws as far such laws apply to the Work.
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While distributing the Work, You may choose to conclude an additional agreement, defining obligations or services
consistent with this Licence. However, if accepting obligations, You may act only on your own behalf and on your sole
responsibility, not on behalf of the original Licensor or any other Contributor, and only if You agree to indemnify,
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displaying the text of this Licence or by affirming consent in any other similar way, in accordance with the rules of
applicable law. Clicking on that icon indicates your clear and irrevocable acceptance of this Licence and all of its terms
and conditions.
Similarly, you irrevocably accept this Licence and all of its terms and conditions by exercising any rights granted to You
by Article 2 of this Licence, such as the use of the Work, the creation by You of a Derivative Work or the Distribution
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In case of any Distribution or Communication of the Work by means of electronic communication by You (for example,
by offering to download the Work from a remote location) the distribution channel or media (for example, a website)
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and the way it may be accessible, concluded, stored and reproduced by the Licensee.
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of the Licence.
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Without prejudice of Article 9 above, the Licence represents the complete agreement between the Parties as to the
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If any provision of the Licence is invalid or unenforceable under applicable law, this will not affect the validity or
enforceability of the Licence as a whole. Such provision will be construed or reformed so as necessary to make it valid
and enforceable.
The European Commission may publish other linguistic versions or new versions of this Licence or updated versions of
the Appendix, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence.
New versions of the Licence will be published with a unique version number.
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advantage of the linguistic version of their choice.
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— any litigation resulting from the interpretation of this License, arising between the European Union institutions,
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of the European Union, as laid down in article 272 of the Treaty on the Functioning of the European Union,
— any litigation arising between other parties and resulting from the interpretation of this License, will be subject to
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Without prejudice to specific agreement between parties,
— this Licence shall be governed by the law of the European Union Member State where the Licensor has his seat,
resides or has his registered office,
— this licence shall be governed by Belgian law if the Licensor has no seat, residence or registered office inside
a European Union Member State.
Appendix
Compatible Licences according to Article 5 EUPL are:
— GNU General Public License (GPL) v. 2, v. 3
— GNU Affero General Public License (AGPL) v. 3
— Open Software License (OSL) v. 2.1, v. 3.0
— Eclipse Public License (EPL) v. 1.0
— CeCILL v. 2.0, v. 2.1
— Mozilla Public Licence (MPL) v. 2
— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
— European Union Public Licence (EUPL) v. 1.1, v. 1.2
— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
The European Commission may update this Appendix to later versions of the above licences without producing
a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
covered Source Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new EUPL version.
EUROPEAN UNION PUBLIC LICENCE v. 1.2
EUPL © the European Union 2007, 2016
This European Union Public Licence (the EUPL) applies to the Work (as defined below) which is provided under the
terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
use is covered by a right of the copyright holder of the Work).
The Work is provided under the terms of this Licence when the Licensor (as defined below) has placed the following
notice immediately following the copyright notice for the Work:
Licensed under the EUPL
or has expressed by any other means his willingness to license under the EUPL.
1.Definitions
In this Licence, the following terms have the following meaning:
The Licence:this Licence.
The Original Work:the work or software distributed or communicated by the Licensor under this Licence, available
as Source Code and also as Executable Code as the case may be.
Derivative Works:the works or software that could be created by the Licensee, based upon the Original Work or
modifications thereof. This Licence does not define the extent of modification or dependence on the Original Work
required in order to classify a work as a Derivative Work; this extent is determined by copyright law applicable in
the country mentioned in Article 15.
The Work:the Original Work or its Derivative Works.
The Source Code:the human-readable form of the Work which is the most convenient for people to study and
modify.
The Executable Code:any code which has generally been compiled and which is meant to be interpreted by
a computer as a program.
The Licensor:the natural or legal person that distributes or communicates the Work under the Licence.
Contributor(s):any natural or legal person who modifies the Work under the Licence, or otherwise contributes to
the creation of a Derivative Work.
The Licensee or You:any natural or legal person who makes any usage of the Work under the terms of the
Licence.
Distribution or Communication:any act of selling, giving, lending, renting, distributing, communicating,
transmitting, or otherwise making available, online or offline, copies of the Work or providing access to its essential
functionalities at the disposal of any other natural or legal person.
2.Scope of the rights granted by the Licence
The Licensor hereby grants You a worldwide, royalty-free, non-exclusive, sublicensable licence to do the following, for
the duration of copyright vested in the Original Work:
— use the Work in any circumstance and for all usage,
— reproduce the Work,
— modify the Work, and make Derivative Works based upon the Work,
— communicate to the public, including the right to make available or display the Work or copies thereof to the public
and perform publicly, as the case may be, the Work,
— distribute the Work or copies thereof,
— lend and rent the Work or copies thereof,
— sublicense rights in the Work or copies thereof.
Those rights can be exercised on any media, supports and formats, whether now known or later invented, as far as the
applicable law permits so.
In the countries where moral rights apply, the Licensor waives his right to exercise his moral right to the extent allowed
by law in order to make effective the licence of the economic rights here above listed.
The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to any patents held by the Licensor, to the
extent necessary to make use of the rights granted on the Work under this Licence.
3.Communication of the Source Code
The Licensor may provide the Work either in its Source Code form, or as Executable Code. If the Work is provided as
Executable Code, the Licensor provides in addition a machine-readable copy of the Source Code of the Work along with
each copy of the Work that the Licensor distributes or indicates, in a notice following the copyright notice attached to
the Work, a repository where the Source Code is easily and freely accessible for as long as the Licensor continues to
distribute or communicate the Work.
4.Limitations on copyright
Nothing in this Licence is intended to deprive the Licensee of the benefits from any exception or limitation to the
exclusive rights of the rights owners in the Work, of the exhaustion of those rights or of other applicable limitations
thereto.
5.Obligations of the Licensee
The grant of the rights mentioned above is subject to some restrictions and obligations imposed on the Licensee. Those
obligations are the following:
Attribution right: The Licensee shall keep intact all copyright, patent or trademarks notices and all notices that refer to
the Licence and to the disclaimer of warranties. The Licensee must include a copy of such notices and a copy of the
Licence with every copy of the Work he/she distributes or communicates. The Licensee must cause any Derivative Work
to carry prominent notices stating that the Work has been modified and the date of modification.
Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
Distribution or Communication will be done under the terms of this Licence or of a later version of this Licence unless
the Original Work is expressly distributed only under this version of the Licence — for example by communicating
EUPL v. 1.2 only. The Licensee (becoming Licensor) cannot offer or impose any additional terms or conditions on the
Work or Derivative Work that alter or restrict the terms of the Licence.
Compatibility clause: If the Licensee Distributes or Communicates Derivative Works or copies thereof based upon both
the Work and another work licensed under a Compatible Licence, this Distribution or Communication can be done
under the terms of this Compatible Licence. For the sake of this clause, Compatible Licence refers to the licences listed
in the appendix attached to this Licence. Should the Licensee's obligations under the Compatible Licence conflict with
his/her obligations under this Licence, the obligations of the Compatible Licence shall prevail.
Provision of Source Code: When distributing or communicating copies of the Work, the Licensee will provide
a machine-readable copy of the Source Code or indicate a repository where this Source will be easily and freely available
for as long as the Licensee continues to distribute or communicate the Work.
Legal Protection: This Licence does not grant permission to use the trade names, trademarks, service marks, or names
of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and
reproducing the content of the copyright notice.
6.Chain of Authorship
The original Licensor warrants that the copyright in the Original Work granted hereunder is owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each Contributor warrants that the copyright in the modifications he/she brings to the Work are owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each time You accept the Licence, the original Licensor and subsequent Contributors grant You a licence to their contributions
to the Work, under the terms of this Licence.
7.Disclaimer of Warranty
The Work is a work in progress, which is continuously improved by numerous Contributors. It is not a finished work
and may therefore contain defects or bugs inherent to this type of development.
For the above reason, the Work is provided under the Licence on an as is basis and without warranties of any kind
concerning the Work, including without limitation merchantability, fitness for a particular purpose, absence of defects or
errors, accuracy, non-infringement of intellectual property rights other than copyright as stated in Article 6 of this
Licence.
This disclaimer of warranty is an essential part of the Licence and a condition for the grant of any rights to the Work.
8.Disclaimer of Liability
Except in the cases of wilful misconduct or damages directly caused to natural persons, the Licensor will in no event be
liable for any direct or indirect, material or moral, damages of any kind, arising out of the Licence or of the use of the
Work, including without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, loss
of data or any commercial damage, even if the Licensor has been advised of the possibility of such damage. However,
the Licensor will be liable under statutory product liability laws as far such laws apply to the Work.
9.Additional agreements
While distributing the Work, You may choose to conclude an additional agreement, defining obligations or services
consistent with this Licence. However, if accepting obligations, You may act only on your own behalf and on your sole
responsibility, not on behalf of the original Licensor or any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against such Contributor by
the fact You have accepted any warranty or additional liability.
10.Acceptance of the Licence
The provisions of this Licence can be accepted by clicking on an icon I agree placed under the bottom of a window
displaying the text of this Licence or by affirming consent in any other similar way, in accordance with the rules of
applicable law. Clicking on that icon indicates your clear and irrevocable acceptance of this Licence and all of its terms
and conditions.
Similarly, you irrevocably accept this Licence and all of its terms and conditions by exercising any rights granted to You
by Article 2 of this Licence, such as the use of the Work, the creation by You of a Derivative Work or the Distribution
or Communication by You of the Work or copies thereof.
11.Information to the public
In case of any Distribution or Communication of the Work by means of electronic communication by You (for example,
by offering to download the Work from a remote location) the distribution channel or media (for example, a website)
must at least provide to the public the information requested by the applicable law regarding the Licensor, the Licence
and the way it may be accessible, concluded, stored and reproduced by the Licensee.
12.Termination of the Licence
The Licence and the rights granted hereunder will terminate automatically upon any breach by the Licensee of the terms
of the Licence.
Such a termination will not terminate the licences of any person who has received the Work from the Licensee under
the Licence, provided such persons remain in full compliance with the Licence.
13.Miscellaneous
Without prejudice of Article 9 above, the Licence represents the complete agreement between the Parties as to the
Work.
If any provision of the Licence is invalid or unenforceable under applicable law, this will not affect the validity or
enforceability of the Licence as a whole. Such provision will be construed or reformed so as necessary to make it valid
and enforceable.
The European Commission may publish other linguistic versions or new versions of this Licence or updated versions of
the Appendix, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence.
New versions of the Licence will be published with a unique version number.
All linguistic versions of this Licence, approved by the European Commission, have identical value. Parties can take
advantage of the linguistic version of their choice.
14.Jurisdiction
Without prejudice to specific agreement between parties,
— any litigation resulting from the interpretation of this License, arising between the European Union institutions,
bodies, offices or agencies, as a Licensor, and any Licensee, will be subject to the jurisdiction of the Court of Justice
of the European Union, as laid down in article 272 of the Treaty on the Functioning of the European Union,
— any litigation arising between other parties and resulting from the interpretation of this License, will be subject to
the exclusive jurisdiction of the competent court where the Licensor resides or conducts its primary business.
15.Applicable Law
Without prejudice to specific agreement between parties,
— this Licence shall be governed by the law of the European Union Member State where the Licensor has his seat,
resides or has his registered office,
— this licence shall be governed by Belgian law if the Licensor has no seat, residence or registered office inside
a European Union Member State.
Appendix
Compatible Licences according to Article 5 EUPL are:
— GNU General Public License (GPL) v. 2, v. 3
— GNU Affero General Public License (AGPL) v. 3
— Open Software License (OSL) v. 2.1, v. 3.0
— Eclipse Public License (EPL) v. 1.0
— CeCILL v. 2.0, v. 2.1
— Mozilla Public Licence (MPL) v. 2
— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
— European Union Public Licence (EUPL) v. 1.1, v. 1.2
— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
The European Commission may update this Appendix to later versions of the above licences without producing
a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
covered Source Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new EUPL version.

View File

@@ -1,17 +1,17 @@
# reactor
Reactor: Advanced Hydraulic Tank & Biological Process Simulator
A comprehensive reactor class for wastewater treatment simulation featuring plug flow hydraulics, ASM1-ASM3 biological modeling, and multi-sectional concentration tracking. Implements hydraulic retention time calculations, dispersion modeling, and real-time biological reaction kinetics for accurate process simulation.
Key Features:
Plug Flow Hydraulics: Multi-section reactor with configurable sectioning factor and dispersion modeling
ASM1 Integration: Complete biological nutrient removal modeling with 13 state variables (COD, nitrogen, phosphorus)
Dynamic Volume Control: Automatic section management with overflow handling and retention time calculations
Oxygen Transfer: Saturation-limited O2 transfer with Fick's law slowdown effects and solubility curves
Real-time Kinetics: Continuous biological reaction rate calculations with configurable time acceleration
Weighted Averaging: Volume-based concentration mixing for accurate mass balance calculations
Child Registration: Integration with diffuser systems and upstream/downstream reactor networks
Supports complex biological treatment train modeling with temperature compensation, sludge calculations, and comprehensive process monitoring for wastewater treatment plant optimization and regulatory compliance.
# reactor
Reactor: Advanced Hydraulic Tank & Biological Process Simulator
A comprehensive reactor class for wastewater treatment simulation featuring plug flow hydraulics, ASM1-ASM3 biological modeling, and multi-sectional concentration tracking. Implements hydraulic retention time calculations, dispersion modeling, and real-time biological reaction kinetics for accurate process simulation.
Key Features:
Plug Flow Hydraulics: Multi-section reactor with configurable sectioning factor and dispersion modeling
ASM1 Integration: Complete biological nutrient removal modeling with 13 state variables (COD, nitrogen, phosphorus)
Dynamic Volume Control: Automatic section management with overflow handling and retention time calculations
Oxygen Transfer: Saturation-limited O2 transfer with Fick's law slowdown effects and solubility curves
Real-time Kinetics: Continuous biological reaction rate calculations with configurable time acceleration
Weighted Averaging: Volume-based concentration mixing for accurate mass balance calculations
Child Registration: Integration with diffuser systems and upstream/downstream reactor networks
Supports complex biological treatment train modeling with temperature compensation, sludge calculations, and comprehensive process monitoring for wastewater treatment plant optimization and regulatory compliance.

View File

@@ -1,57 +1,57 @@
<script type="text/javascript">
RED.nodes.registerType("recirculation-pump", {
category: "WWTP",
color: "#e4a363",
defaults: {
name: { value: "" },
F2: { value: 0, required: true },
inlet: { value: 1, required: true }
},
inputs: 1,
outputs: 2,
outputLabels: ["Main effluent", "Recirculation effluent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Recirculation pump";
},
oneditprepare: function() {
$("#node-input-F2").typedInput({
type:"num",
types:["num"]
});
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
let debit = parseFloat($("#node-input-F2").typedInput("value"));
if (isNaN(debit) || debit < 0) {
RED.notify("Debit is not set correctly", {type: "error"});
}
let inlet = parseInt($("#node-input-n_inlets").typedInput("value"));
if (inlet < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="recirculation-pump">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-F2"><i class="fa fa-tag"></i> Recirculation debit [m3 d-1]</label>
<input type="text" id="node-input-F2" placeholder="m3 s-1">
</div>
<div class="form-row">
<label for="node-input-inlet"><i class="fa fa-tag"></i> Assigned inlet recirculation</label>
<input type="text" id="node-input-inlet" placeholder="#">
</div>
</script>
<script type="text/html" data-help-name="recirculation-pump">
<p>Recirculation-pump for splitting streams</p>
</script>
<script type="text/javascript">
RED.nodes.registerType("recirculation-pump", {
category: "WWTP",
color: "#e4a363",
defaults: {
name: { value: "" },
F2: { value: 0, required: true },
inlet: { value: 1, required: true }
},
inputs: 1,
outputs: 2,
outputLabels: ["Main effluent", "Recirculation effluent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Recirculation pump";
},
oneditprepare: function() {
$("#node-input-F2").typedInput({
type:"num",
types:["num"]
});
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
let debit = parseFloat($("#node-input-F2").typedInput("value"));
if (isNaN(debit) || debit < 0) {
RED.notify("Debit is not set correctly", {type: "error"});
}
let inlet = parseInt($("#node-input-n_inlets").typedInput("value"));
if (inlet < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="recirculation-pump">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-F2"><i class="fa fa-tag"></i> Recirculation debit [m3 d-1]</label>
<input type="text" id="node-input-F2" placeholder="m3 s-1">
</div>
<div class="form-row">
<label for="node-input-inlet"><i class="fa fa-tag"></i> Assigned inlet recirculation</label>
<input type="text" id="node-input-inlet" placeholder="#">
</div>
</script>
<script type="text/html" data-help-name="recirculation-pump">
<p>Recirculation-pump for splitting streams</p>
</script>

View File

@@ -1,40 +1,40 @@
module.exports = function(RED) {
function recirculation(config) {
RED.nodes.createNode(this, config);
var node = this;
let name = config.name;
let F2 = parseFloat(config.F2);
const inlet_F2 = parseInt(config.inlet);
node.on('input', function(msg, send, done) {
switch (msg.topic) {
case "Fluent":
// conserve volume flow debit
let F_in = msg.payload.F;
let F1 = Math.max(F_in - F2, 0);
let F2_corr = F_in < F2 ? F_in : F2;
let msg_F1 = structuredClone(msg);
msg_F1.payload.F = F1;
let msg_F2 = {...msg};
msg_F2.payload.F = F2_corr;
msg_F2.payload.inlet = inlet_F2;
send([msg_F1, msg_F2]);
break;
case "clock":
break;
default:
console.log("Unknown topic: " + msg.topic);
}
if (done) {
done();
}
});
}
RED.nodes.registerType("recirculation-pump", recirculation);
};
module.exports = function(RED) {
function recirculation(config) {
RED.nodes.createNode(this, config);
var node = this;
let name = config.name;
let F2 = parseFloat(config.F2);
const inlet_F2 = parseInt(config.inlet);
node.on('input', function(msg, send, done) {
switch (msg.topic) {
case "Fluent":
// conserve volume flow debit
let F_in = msg.payload.F;
let F1 = Math.max(F_in - F2, 0);
let F2_corr = F_in < F2 ? F_in : F2;
let msg_F1 = structuredClone(msg);
msg_F1.payload.F = F1;
let msg_F2 = {...msg};
msg_F2.payload.F = F2_corr;
msg_F2.payload.inlet = inlet_F2;
send([msg_F1, msg_F2]);
break;
case "clock":
break;
default:
console.log("Unknown topic: " + msg.topic);
}
if (done) {
done();
}
});
}
RED.nodes.registerType("recirculation-pump", recirculation);
};

View File

@@ -1,57 +1,57 @@
<script type="text/javascript">
RED.nodes.registerType("settling-basin", {
category: "WWTP",
color: "#e4a363",
defaults: {
name: { value: "" },
TS_set: { value: 0.1, required: true },
inlet: { value: 1, required: true }
},
inputs: 1,
outputs: 2,
outputLabels: ["Main effluent", "Sludge effluent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Settling basin";
},
oneditprepare: function() {
$("#node-input-TS_set").typedInput({
type:"num",
types:["num"]
});
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
let TS_set = parseFloat($("#node-input-TS_set").typedInput("value"));
if (isNaN(TS_set) || TS_set < 0) {
RED.notify("TS is not set correctly", {type: "error"});
}
let inlet = parseInt($("#node-input-n_inlets").typedInput("value"));
if (inlet < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="settling-basin">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-TS_set"><i class="fa fa-tag"></i> Total Solids set point [g m-3]</label>
<input type="text" id="node-input-TS_set" placeholder="">
</div>
<div class="form-row">
<label for="node-input-inlet"><i class="fa fa-tag"></i> Assigned inlet return line</label>
<input type="text" id="node-input-inlet" placeholder="#">
</div>
</script>
<script type="text/html" data-help-name="settling-basin">
<p>Settling tank</p>
</script>
<script type="text/javascript">
RED.nodes.registerType("settling-basin", {
category: "WWTP",
color: "#e4a363",
defaults: {
name: { value: "" },
TS_set: { value: 0.1, required: true },
inlet: { value: 1, required: true }
},
inputs: 1,
outputs: 2,
outputLabels: ["Main effluent", "Sludge effluent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Settling basin";
},
oneditprepare: function() {
$("#node-input-TS_set").typedInput({
type:"num",
types:["num"]
});
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
let TS_set = parseFloat($("#node-input-TS_set").typedInput("value"));
if (isNaN(TS_set) || TS_set < 0) {
RED.notify("TS is not set correctly", {type: "error"});
}
let inlet = parseInt($("#node-input-n_inlets").typedInput("value"));
if (inlet < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="settling-basin">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-TS_set"><i class="fa fa-tag"></i> Total Solids set point [g m-3]</label>
<input type="text" id="node-input-TS_set" placeholder="">
</div>
<div class="form-row">
<label for="node-input-inlet"><i class="fa fa-tag"></i> Assigned inlet return line</label>
<input type="text" id="node-input-inlet" placeholder="#">
</div>
</script>
<script type="text/html" data-help-name="settling-basin">
<p>Settling tank</p>
</script>

View File

@@ -1,57 +1,57 @@
module.exports = function(RED) {
function settler(config) {
RED.nodes.createNode(this, config);
var node = this;
let name = config.name;
let TS_set = parseFloat(config.TS_set);
const inlet_sludge = parseInt(config.inlet);
node.on('input', function(msg, send, done) {
switch (msg.topic) {
case "Fluent":
// conserve volume flow debit
let F_in = msg.payload.F;
let C_in = msg.payload.C;
let F2 = (F_in * C_in[12]) / TS_set;
let F1 = Math.max(F_in - F2, 0);
let F2_corr = F_in < F2 ? F_in : F2;
let msg_F1 = structuredClone(msg);
msg_F1.payload.F = F1;
msg_F1.payload.C[7] = 0;
msg_F1.payload.C[8] = 0;
msg_F1.payload.C[9] = 0;
msg_F1.payload.C[10] = 0;
msg_F1.payload.C[11] = 0;
msg_F1.payload.C[12] = 0;
let msg_F2 = {...msg};
msg_F2.payload.F = F2_corr;
if (F2_corr > 0) {
msg_F2.payload.C[7] = F_in * C_in[7] / F2;
msg_F2.payload.C[8] = F_in * C_in[8] / F2;
msg_F2.payload.C[9] = F_in * C_in[9] / F2;
msg_F2.payload.C[10] = F_in * C_in[10] / F2;
msg_F2.payload.C[11] = F_in * C_in[11] / F2;
msg_F2.payload.C[12] = F_in * C_in[12] / F2;
}
msg_F2.payload.inlet = inlet_sludge;
send([msg_F1, msg_F2]);
break;
case "clock":
break;
default:
console.log("Unknown topic: " + msg.topic);
}
if (done) {
done();
}
});
}
RED.nodes.registerType("settling-basin", settler);
};
module.exports = function(RED) {
function settler(config) {
RED.nodes.createNode(this, config);
var node = this;
let name = config.name;
let TS_set = parseFloat(config.TS_set);
const inlet_sludge = parseInt(config.inlet);
node.on('input', function(msg, send, done) {
switch (msg.topic) {
case "Fluent":
// conserve volume flow debit
let F_in = msg.payload.F;
let C_in = msg.payload.C;
let F2 = (F_in * C_in[12]) / TS_set;
let F1 = Math.max(F_in - F2, 0);
let F2_corr = F_in < F2 ? F_in : F2;
let msg_F1 = structuredClone(msg);
msg_F1.payload.F = F1;
msg_F1.payload.C[7] = 0;
msg_F1.payload.C[8] = 0;
msg_F1.payload.C[9] = 0;
msg_F1.payload.C[10] = 0;
msg_F1.payload.C[11] = 0;
msg_F1.payload.C[12] = 0;
let msg_F2 = {...msg};
msg_F2.payload.F = F2_corr;
if (F2_corr > 0) {
msg_F2.payload.C[7] = F_in * C_in[7] / F2;
msg_F2.payload.C[8] = F_in * C_in[8] / F2;
msg_F2.payload.C[9] = F_in * C_in[9] / F2;
msg_F2.payload.C[10] = F_in * C_in[10] / F2;
msg_F2.payload.C[11] = F_in * C_in[11] / F2;
msg_F2.payload.C[12] = F_in * C_in[12] / F2;
}
msg_F2.payload.inlet = inlet_sludge;
send([msg_F1, msg_F2]);
break;
case "clock":
break;
default:
console.log("Unknown topic: " + msg.topic);
}
if (done) {
done();
}
});
}
RED.nodes.registerType("settling-basin", settler);
};

File diff suppressed because it is too large Load Diff

238
package-lock.json generated
View File

@@ -1,119 +1,119 @@
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"license": "SEE LICENSE",
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"license": "MIT",
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}

View File

@@ -1,33 +1,33 @@
{
"name": "reactor",
"version": "0.0.1",
"description": "Implementation of the asm3 model for Node-Red",
"repository": {
"type": "git",
"url": "https://gitea.centraal.wbd-rd.nl/RnD/reactor.git"
},
"keywords": [
"asm3",
"activated sludge",
"wastewater",
"biological model",
"node-red"
],
"license": "SEE LICENSE",
"author": "P.R. van der Wilt",
"main": "reactor.js",
{
"name": "reactor",
"version": "0.0.1",
"description": "Implementation of the asm3 model for Node-Red",
"repository": {
"type": "git",
"url": "https://gitea.centraal.wbd-rd.nl/RnD/reactor.git"
},
"keywords": [
"asm3",
"activated sludge",
"wastewater",
"biological model",
"node-red"
],
"license": "SEE LICENSE",
"author": "P.R. van der Wilt",
"main": "reactor.js",
"scripts": {
"test": "node --test test/basic/*.test.js test/integration/*.test.js test/edge/*.test.js"
},
"node-red": {
"nodes": {
"reactor": "reactor.js",
"recirculation-pump": "additional_nodes/recirculation-pump.js",
"settling-basin": "additional_nodes/settling-basin.js"
}
},
"dependencies": {
"generalFunctions": "git+https://gitea.centraal.wbd-rd.nl/RnD/generalFunctions.git",
"mathjs": "^14.5.2"
}
}
"node-red": {
"nodes": {
"reactor": "reactor.js",
"recirculation-pump": "additional_nodes/recirculation-pump.js",
"settling-basin": "additional_nodes/settling-basin.js"
}
},
"dependencies": {
"generalFunctions": "git+https://gitea.centraal.wbd-rd.nl/RnD/generalFunctions.git",
"mathjs": "^14.5.2"
}
}

View File

@@ -1,267 +1,267 @@
<!--
| S88-niveau | Primair (blokkleur) | Tekstkleur |
| ---------------------- | ------------------- | ---------- |
| **Area** | `#0f52a5` | wit |
| **Process Cell** | `#0c99d9` | wit |
| **Unit** | `#50a8d9` | zwart |
| **Equipment (Module)** | `#86bbdd` | zwart |
| **Control Module** | `#a9daee` | zwart |
-->
<script src="/reactor/menu.js"></script>
<script type="text/javascript">
RED.nodes.registerType("reactor", {
category: "EVOLV",
color: "#50a8d9",
defaults: {
name: { value: "" },
reactor_type: { value: "CSTR", required: true },
volume: { value: 0., required: true },
length: { value: 0.},
resolution_L: { value: 0.},
alpha: {value: 0},
n_inlets: { value: 1, required: true},
kla: { value: null },
S_O_init: { value: 0., required: true },
S_I_init: { value: 30., required: true },
S_S_init: { value: 100., required: true },
S_NH_init: { value: 16., required: true },
S_N2_init: { value: 0., required: true },
S_NO_init: { value: 0., required: true },
S_HCO_init: { value: 5., required: true },
X_I_init: { value: 25., required: true },
X_S_init: { value: 75., required: true },
X_H_init: { value: 30., required: true },
X_STO_init: { value: 0., required: true },
X_A_init: { value: 0.001, required: true },
X_TS_init: { value: 125.0009, required: true },
timeStep: { value: 1, required: true },
speedUpFactor: { value: 1 },
enableLog: { value: false },
logLevel: { value: "error" },
positionVsParent: { value: "" },
},
inputs: 1,
outputs: 3,
inputLabels: ["input"],
outputLabels: ["process", "dbase", "parent"],
icon: "font-awesome/fa-flask",
label: function() {
return this.name || "Reactor";
},
oneditprepare: function() {
// wait for the menu scripts to load
const waitForMenuData = () => {
if (window.EVOLV?.nodes?.reactor?.initEditor) {
window.EVOLV.nodes.reactor.initEditor(this);
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};
waitForMenuData();
$("#node-input-volume").typedInput({
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$("#node-input-n_inlets").typedInput({
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$("#node-input-length").typedInput({
type:"num",
types:["num"]
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$("#node-input-resolution_L").typedInput({
type:"num",
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$("#node-input-kla").typedInput({
type:"num",
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$(".concentrations").typedInput({
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{
value: "CSTR",
options: [
{ value: "CSTR", label: "CSTR"},
{ value: "PFR", label: "PFR"}
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const type = $("#node-input-reactor_type").typedInput("value");
if (type === "CSTR") {
$(".PFR").hide();
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});
$("#node-input-alpha").typedInput({
type:"num",
types:["num"]
})
$("#node-input-timeStep").typedInput({
type:"num",
types:["num"]
})
$("#node-input-speedUpFactor").typedInput({
type:"num",
types:["num"]
})
// Set initial visibility on dialog open
const initialType = $("#node-input-reactor_type").typedInput("value");
if (initialType === "CSTR") {
$(".PFR").hide();
} else {
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}
},
oneditsave: function() {
// save logger fields
if (window.EVOLV?.nodes?.reactor?.loggerMenu?.saveEditor) {
window.EVOLV.nodes.reactor.loggerMenu.saveEditor(this);
}
// save position field
if (window.EVOLV?.nodes?.reactor?.positionMenu?.saveEditor) {
window.EVOLV.nodes.reactor.positionMenu.saveEditor(this);
}
let volume = parseFloat($("#node-input-volume").typedInput("value"));
if (isNaN(volume) || volume <= 0) {
RED.notify("Fluid volume not set correctly", {type: "error"});
}
let n_inlets = parseInt($("#node-input-n_inlets").typedInput("value"));
if (isNaN(n_inlets) || n_inlets < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="reactor">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<h2> Reactor properties </h2>
<div class="form-row">
<label for="node-input-reactor_type"><i class="fa fa-tag"></i> Reactor type</label>
<input type="text" id="node-input-reactor_type">
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<label for="node-input-volume"><i class="fa fa-tag"></i> Fluid volume [m3]</label>
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<div class="form-row PFR">
<label for="node-input-length"><i class="fa fa-tag"></i> Reactor length [m]</label>
<input type="text" id="node-input-length" placeholder="m">
</div>
<div class="form-row PFR">
<label for="node-input-resolution_L"><i class="fa fa-tag"></i> Resolution</label>
<input type="text" id="node-input-resolution_L" placeholder="#">
</div>
<div class="PFR">
<p> Inlet boundary condition parameter &alpha; (&alpha; = 0: Danckwerts BC / &alpha; = 1: Dirichlet BC) </p>
<div class="form-row">
<label for="node-input-alpha"><i class="fa fa-tag"></i>Adjustable parameter BC</label>
<input type="text" id="node-input-alpha">
</div>
</div>
<div class="form-row">
<label for="node-input-n_inlets"><i class="fa fa-tag"></i> Number of inlets</label>
<input type="text" id="node-input-n_inlets" placeholder="#">
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<h3> Internal mass transfer calculation (optional) </h3>
<div class="form-row">
<label for="node-input-kla"><i class="fa fa-tag"></i> kLa [d-1]</label>
<input type="text" id="node-input-kla" placeholder="d-1">
</div>
<h2> Dissolved components </h2>
<div class="form-row">
<label for="node-input-S_O_init"><i class="fa fa-tag"></i> Initial dissolved oxygen [g O2 m-3]</label>
<input type="text" id="node-input-S_O_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_I_init"><i class="fa fa-tag"></i> Initial soluble inert organics [g COD m-3]</label>
<input type="text" id="node-input-S_I_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_S_init"><i class="fa fa-tag"></i> Initial readily biodegrable substrates [g COD m-3]</label>
<input type="text" id="node-input-S_S_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_NH_init"><i class="fa fa-tag"></i> Initial ammonium / ammonia [g N m-3]</label>
<input type="text" id="node-input-S_NH_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_N2_init"><i class="fa fa-tag"></i> Initial dinitrogen, released by denitrification [g N m-3]</label>
<input type="text" id="node-input-S_N2_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_NO_init"><i class="fa fa-tag"></i> Initial nitrite + nitrate [g N m-3]</label>
<input type="text" id="node-input-S_NO_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_HCO_init"><i class="fa fa-tag"></i> Initial alkalinity, bicarbonate [mole HCO3- m-3]</label>
<input type="text" id="node-input-S_HCO_init" class="concentrations">
</div>
<h2> Particulate components </h2>
<div class="form-row">
<label for="node-input-X_I_init"><i class="fa fa-tag"></i> Initial inert particulate organics [g COD m-3]</label>
<input type="text" id="node-input-X_I_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_S_init"><i class="fa fa-tag"></i> Initial slowly biodegrable substrates [g COD m-3]</label>
<input type="text" id="node-input-X_S_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_H_init"><i class="fa fa-tag"></i> Initial heterotrophic biomass [g COD m-3]</label>
<input type="text" id="node-input-X_H_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_STO_init"><i class="fa fa-tag"></i> Initial Organics stored by heterotrophs [g COD m-3]</label>
<input type="text" id="node-input-X_STO_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_A_init"><i class="fa fa-tag"></i> Initial autotrophic, nitrifying biomass [g COD m-3]</label>
<input type="text" id="node-input-X_A_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_TS_init"><i class="fa fa-tag"></i> Initial total suspended solids [g TSS m-3]</label>
<input type="text" id="node-input-X_TS_init" class="concentrations">
</div>
<h2> Simulation parameters </h2>
<div class="form-row">
<label for="node-input-timeStep"><i class="fa fa-tag"></i> Time step [s]</label>
<input type="text" id="node-input-timeStep" placeholder="s">
</div>
<div class="form-row">
<label for="node-input-speedUpFactor"><i class="fa fa-tag"></i> Speed-up factor</label>
<input type="text" id="node-input-speedUpFactor" placeholder="1 = real-time">
</div>
<!-- Logger fields injected here -->
<div id="logger-fields-placeholder"></div>
<!-- Position fields will be injected here -->
<div id="position-fields-placeholder"></div>
</script>
<script type="text/html" data-help-name="reactor">
<p>New reactor node</p>
</script>
<!--
| S88-niveau | Primair (blokkleur) | Tekstkleur |
| ---------------------- | ------------------- | ---------- |
| **Area** | `#0f52a5` | wit |
| **Process Cell** | `#0c99d9` | wit |
| **Unit** | `#50a8d9` | zwart |
| **Equipment (Module)** | `#86bbdd` | zwart |
| **Control Module** | `#a9daee` | zwart |
-->
<script src="/reactor/menu.js"></script>
<script type="text/javascript">
RED.nodes.registerType("reactor", {
category: "EVOLV",
color: "#50a8d9",
defaults: {
name: { value: "" },
reactor_type: { value: "CSTR", required: true },
volume: { value: 0., required: true },
length: { value: 0.},
resolution_L: { value: 0.},
alpha: {value: 0},
n_inlets: { value: 1, required: true},
kla: { value: null },
S_O_init: { value: 0., required: true },
S_I_init: { value: 30., required: true },
S_S_init: { value: 100., required: true },
S_NH_init: { value: 16., required: true },
S_N2_init: { value: 0., required: true },
S_NO_init: { value: 0., required: true },
S_HCO_init: { value: 5., required: true },
X_I_init: { value: 25., required: true },
X_S_init: { value: 75., required: true },
X_H_init: { value: 30., required: true },
X_STO_init: { value: 0., required: true },
X_A_init: { value: 0.001, required: true },
X_TS_init: { value: 125.0009, required: true },
timeStep: { value: 1, required: true },
speedUpFactor: { value: 1 },
enableLog: { value: false },
logLevel: { value: "error" },
positionVsParent: { value: "" },
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inputs: 1,
outputs: 3,
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outputLabels: ["process", "dbase", "parent"],
icon: "font-awesome/fa-flask",
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return this.name || "Reactor";
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window.EVOLV.nodes.reactor.initEditor(this);
} else {
setTimeout(waitForMenuData, 50);
}
};
waitForMenuData();
$("#node-input-volume").typedInput({
type:"num",
types:["num"]
});
$("#node-input-n_inlets").typedInput({
type:"num",
types:["num"]
});
$("#node-input-length").typedInput({
type:"num",
types:["num"]
});
$("#node-input-resolution_L").typedInput({
type:"num",
types:["num"]
});
$("#node-input-kla").typedInput({
type:"num",
types:["num"]
});
$(".concentrations").typedInput({
type:"num",
types:["num"]
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$("#node-input-reactor_type").typedInput({
types: [
{
value: "CSTR",
options: [
{ value: "CSTR", label: "CSTR"},
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const type = $("#node-input-reactor_type").typedInput("value");
if (type === "CSTR") {
$(".PFR").hide();
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$(".PFR").show();
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$("#node-input-alpha").typedInput({
type:"num",
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$("#node-input-timeStep").typedInput({
type:"num",
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$("#node-input-speedUpFactor").typedInput({
type:"num",
types:["num"]
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// Set initial visibility on dialog open
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if (initialType === "CSTR") {
$(".PFR").hide();
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if (window.EVOLV?.nodes?.reactor?.positionMenu?.saveEditor) {
window.EVOLV.nodes.reactor.positionMenu.saveEditor(this);
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let volume = parseFloat($("#node-input-volume").typedInput("value"));
if (isNaN(volume) || volume <= 0) {
RED.notify("Fluid volume not set correctly", {type: "error"});
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let n_inlets = parseInt($("#node-input-n_inlets").typedInput("value"));
if (isNaN(n_inlets) || n_inlets < 1) {
RED.notify("Number of inlets not set correctly", {type: "error"});
}
}
});
</script>
<script type="text/html" data-template-name="reactor">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<div class="form-row">
<label for="node-input-volume"><i class="fa fa-tag"></i> Fluid volume [m3]</label>
<input type="text" id="node-input-volume" placeholder="m3">
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<div class="form-row PFR">
<label for="node-input-resolution_L"><i class="fa fa-tag"></i> Resolution</label>
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<div class="form-row">
<label for="node-input-kla"><i class="fa fa-tag"></i> kLa [d-1]</label>
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<label for="node-input-S_O_init"><i class="fa fa-tag"></i> Initial dissolved oxygen [g O2 m-3]</label>
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<div class="form-row">
<label for="node-input-S_I_init"><i class="fa fa-tag"></i> Initial soluble inert organics [g COD m-3]</label>
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<div class="form-row">
<label for="node-input-S_S_init"><i class="fa fa-tag"></i> Initial readily biodegrable substrates [g COD m-3]</label>
<input type="text" id="node-input-S_S_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_NH_init"><i class="fa fa-tag"></i> Initial ammonium / ammonia [g N m-3]</label>
<input type="text" id="node-input-S_NH_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_N2_init"><i class="fa fa-tag"></i> Initial dinitrogen, released by denitrification [g N m-3]</label>
<input type="text" id="node-input-S_N2_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_NO_init"><i class="fa fa-tag"></i> Initial nitrite + nitrate [g N m-3]</label>
<input type="text" id="node-input-S_NO_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-S_HCO_init"><i class="fa fa-tag"></i> Initial alkalinity, bicarbonate [mole HCO3- m-3]</label>
<input type="text" id="node-input-S_HCO_init" class="concentrations">
</div>
<h2> Particulate components </h2>
<div class="form-row">
<label for="node-input-X_I_init"><i class="fa fa-tag"></i> Initial inert particulate organics [g COD m-3]</label>
<input type="text" id="node-input-X_I_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_S_init"><i class="fa fa-tag"></i> Initial slowly biodegrable substrates [g COD m-3]</label>
<input type="text" id="node-input-X_S_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_H_init"><i class="fa fa-tag"></i> Initial heterotrophic biomass [g COD m-3]</label>
<input type="text" id="node-input-X_H_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_STO_init"><i class="fa fa-tag"></i> Initial Organics stored by heterotrophs [g COD m-3]</label>
<input type="text" id="node-input-X_STO_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_A_init"><i class="fa fa-tag"></i> Initial autotrophic, nitrifying biomass [g COD m-3]</label>
<input type="text" id="node-input-X_A_init" class="concentrations">
</div>
<div class="form-row">
<label for="node-input-X_TS_init"><i class="fa fa-tag"></i> Initial total suspended solids [g TSS m-3]</label>
<input type="text" id="node-input-X_TS_init" class="concentrations">
</div>
<h2> Simulation parameters </h2>
<div class="form-row">
<label for="node-input-timeStep"><i class="fa fa-tag"></i> Time step [s]</label>
<input type="text" id="node-input-timeStep" placeholder="s">
</div>
<div class="form-row">
<label for="node-input-speedUpFactor"><i class="fa fa-tag"></i> Speed-up factor</label>
<input type="text" id="node-input-speedUpFactor" placeholder="1 = real-time">
</div>
<!-- Logger fields injected here -->
<div id="logger-fields-placeholder"></div>
<!-- Position fields will be injected here -->
<div id="position-fields-placeholder"></div>
</script>
<script type="text/html" data-help-name="reactor">
<p>New reactor node</p>
</script>

View File

@@ -1,26 +1,26 @@
const nameOfNode = "reactor"; // name of the node, should match file name and node type in Node-RED
const nodeClass = require('./src/nodeClass.js'); // node class
const { MenuManager } = require('generalFunctions');
module.exports = function (RED) {
// Register the node type
RED.nodes.registerType(nameOfNode, function (config) {
// Initialize the Node-RED node first
RED.nodes.createNode(this, config);
// Then create your custom class and attach it
this.nodeClass = new nodeClass(config, RED, this, nameOfNode);
});
const menuMgr = new MenuManager();
// Serve /advancedReactor/menu.js
RED.httpAdmin.get(`/${nameOfNode}/menu.js`, (req, res) => {
try {
const script = menuMgr.createEndpoint(nameOfNode, ['logger', 'position']);
res.type('application/javascript').send(script);
} catch (err) {
res.status(500).send(`// Error generating menu: ${err.message}`);
}
});
};
const nameOfNode = "reactor"; // name of the node, should match file name and node type in Node-RED
const nodeClass = require('./src/nodeClass.js'); // node class
const { MenuManager } = require('generalFunctions');
module.exports = function (RED) {
// Register the node type
RED.nodes.registerType(nameOfNode, function (config) {
// Initialize the Node-RED node first
RED.nodes.createNode(this, config);
// Then create your custom class and attach it
this.nodeClass = new nodeClass(config, RED, this, nameOfNode);
});
const menuMgr = new MenuManager();
// Serve /advancedReactor/menu.js
RED.httpAdmin.get(`/${nameOfNode}/menu.js`, (req, res) => {
try {
const script = menuMgr.createEndpoint(nameOfNode, ['logger', 'position']);
res.type('application/javascript').send(script);
} catch (err) {
res.status(500).send(`// Error generating menu: ${err.message}`);
}
});
};

View File

@@ -1,178 +1,218 @@
const { Reactor_CSTR, Reactor_PFR } = require('./specificClass.js');
const { outputUtils } = require('generalFunctions');
class nodeClass {
/**
* Node-RED node class for advanced-reactor.
* @param {object} uiConfig - Node-RED node configuration
* @param {object} RED - Node-RED runtime API
* @param {object} nodeInstance - Node-RED node instance
* @param {string} nameOfNode - Name of the node
*/
constructor(uiConfig, RED, nodeInstance, nameOfNode) {
// Preserve RED reference for HTTP endpoints if needed
this.node = nodeInstance;
this.RED = RED;
this.name = nameOfNode;
this.source = null;
const REACTOR_SPECIES = [
'S_O',
'S_I',
'S_S',
'S_NH',
'S_N2',
'S_NO',
'S_HCO',
'X_I',
'X_S',
'X_H',
'X_STO',
'X_A',
'X_TS'
];
class nodeClass {
/**
* Node-RED node class for advanced-reactor.
* @param {object} uiConfig - Node-RED node configuration
* @param {object} RED - Node-RED runtime API
* @param {object} nodeInstance - Node-RED node instance
* @param {string} nameOfNode - Name of the node
*/
constructor(uiConfig, RED, nodeInstance, nameOfNode) {
// Preserve RED reference for HTTP endpoints if needed
this.node = nodeInstance;
this.RED = RED;
this.name = nameOfNode;
this.source = null;
this._loadConfig(uiConfig)
this._setupClass();
this._output = new outputUtils();
this._attachInputHandler();
this._registerChild();
this._startTickLoop();
this._attachCloseHandler();
}
/**
* Handle node-red input messages
*/
_attachInputHandler() {
this.node.on('input', (msg, send, done) => {
try {
switch (msg.topic) {
case "clock":
this.source.updateState(msg.timestamp);
send([msg, null, null]);
break;
case "Fluent":
this.source.setInfluent = msg;
break;
case "OTR":
this.source.setOTR = msg;
break;
case "Temperature":
this.source.setTemperature = msg;
break;
case "Dispersion":
this.source.setDispersion = msg;
break;
case 'registerChild': {
const childId = msg.payload;
const childObj = this.RED.nodes.getNode(childId);
if (!childObj || !childObj.source) {
this.source?.logger?.warn(`registerChild skipped: missing child/source for id=${childId}`);
break;
}
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
break;
}
default:
this.source?.logger?.warn(`Unknown topic: ${msg.topic}`);
}
} catch (error) {
this.source?.logger?.error(`Input handler failure: ${error.message}`);
}
if (typeof done === 'function') {
done();
}
});
}
/**
* Parse node configuration
* @param {object} uiConfig Config set in UI in node-red
*/
_loadConfig(uiConfig) {
this.config = {
general: {
name: uiConfig.name || this.name,
id: this.node.id,
unit: null,
logging: {
enabled: uiConfig.enableLog,
logLevel: uiConfig.logLevel
}
},
functionality: {
positionVsParent: uiConfig.positionVsParent || 'atEquipment', // Default to 'atEquipment' if not specified
softwareType: "reactor" // should be set in config manager
},
reactor_type: uiConfig.reactor_type,
volume: parseFloat(uiConfig.volume),
length: parseFloat(uiConfig.length),
resolution_L: parseInt(uiConfig.resolution_L),
alpha: parseFloat(uiConfig.alpha),
n_inlets: parseInt(uiConfig.n_inlets),
kla: parseFloat(uiConfig.kla),
initialState: [
parseFloat(uiConfig.S_O_init),
parseFloat(uiConfig.S_I_init),
parseFloat(uiConfig.S_S_init),
parseFloat(uiConfig.S_NH_init),
parseFloat(uiConfig.S_N2_init),
parseFloat(uiConfig.S_NO_init),
parseFloat(uiConfig.S_HCO_init),
parseFloat(uiConfig.X_I_init),
parseFloat(uiConfig.X_S_init),
parseFloat(uiConfig.X_H_init),
parseFloat(uiConfig.X_STO_init),
parseFloat(uiConfig.X_A_init),
parseFloat(uiConfig.X_TS_init)
],
timeStep: parseFloat(uiConfig.timeStep),
speedUpFactor: Number(uiConfig.speedUpFactor) || 1
}
}
/**
* Register this node as a child upstream and downstream.
* Delayed to avoid Node-RED startup race conditions.
*/
_registerChild() {
setTimeout(() => {
this.node.send([
null,
null,
{ topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' }
]);
}, 100);
}
/**
* Setup reactor class based on config
*/
_setupClass() {
let new_reactor;
switch (this.config.reactor_type) {
case "CSTR":
new_reactor = new Reactor_CSTR(this.config);
break;
case "PFR":
new_reactor = new Reactor_PFR(this.config);
break;
default:
this.node.warn("Unknown reactor type: " + this.config.reactor_type + ". Falling back to CSTR.");
new_reactor = new Reactor_CSTR(this.config);
}
this.source = new_reactor; // protect from reassignment
this.node.source = this.source;
}
_startTickLoop() {
setTimeout(() => {
this._tickInterval = setInterval(() => this._tick(), 1000);
}, 1000);
}
this._attachCloseHandler();
}
/**
* Handle node-red input messages
*/
_attachInputHandler() {
this.node.on('input', (msg, send, done) => {
try {
switch (msg.topic) {
case "clock":
this.source.updateState(msg.timestamp);
send([msg, null, null]);
break;
case "Fluent":
this.source.setInfluent = msg;
break;
case "OTR":
this.source.setOTR = msg;
break;
case "Temperature":
this.source.setTemperature = msg;
break;
case "Dispersion":
this.source.setDispersion = msg;
break;
case 'registerChild': {
const childId = msg.payload;
const childObj = this.RED.nodes.getNode(childId);
if (!childObj || !childObj.source) {
this.source?.logger?.warn(`registerChild skipped: missing child/source for id=${childId}`);
break;
}
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
break;
}
default:
this.source?.logger?.warn(`Unknown topic: ${msg.topic}`);
}
} catch (error) {
this.source?.logger?.error(`Input handler failure: ${error.message}`);
}
if (typeof done === 'function') {
done();
}
});
}
/**
* Parse node configuration
* @param {object} uiConfig Config set in UI in node-red
*/
_loadConfig(uiConfig) {
this.config = {
general: {
name: uiConfig.name || this.name,
id: this.node.id,
unit: null,
logging: {
enabled: uiConfig.enableLog,
logLevel: uiConfig.logLevel
}
},
functionality: {
positionVsParent: uiConfig.positionVsParent || 'atEquipment', // Default to 'atEquipment' if not specified
softwareType: "reactor" // should be set in config manager
},
reactor_type: uiConfig.reactor_type,
volume: parseFloat(uiConfig.volume),
length: parseFloat(uiConfig.length),
resolution_L: parseInt(uiConfig.resolution_L),
alpha: parseFloat(uiConfig.alpha),
n_inlets: parseInt(uiConfig.n_inlets),
kla: parseFloat(uiConfig.kla),
initialState: [
parseFloat(uiConfig.S_O_init),
parseFloat(uiConfig.S_I_init),
parseFloat(uiConfig.S_S_init),
parseFloat(uiConfig.S_NH_init),
parseFloat(uiConfig.S_N2_init),
parseFloat(uiConfig.S_NO_init),
parseFloat(uiConfig.S_HCO_init),
parseFloat(uiConfig.X_I_init),
parseFloat(uiConfig.X_S_init),
parseFloat(uiConfig.X_H_init),
parseFloat(uiConfig.X_STO_init),
parseFloat(uiConfig.X_A_init),
parseFloat(uiConfig.X_TS_init)
],
timeStep: parseFloat(uiConfig.timeStep),
speedUpFactor: Number(uiConfig.speedUpFactor) || 1
}
}
/**
* Register this node as a child upstream and downstream.
* Delayed to avoid Node-RED startup race conditions.
*/
_registerChild() {
setTimeout(() => {
this.node.send([
null,
null,
{ topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' }
]);
}, 100);
}
/**
* Setup reactor class based on config
*/
_setupClass() {
let new_reactor;
switch (this.config.reactor_type) {
case "CSTR":
new_reactor = new Reactor_CSTR(this.config);
break;
case "PFR":
new_reactor = new Reactor_PFR(this.config);
break;
default:
this.node.warn("Unknown reactor type: " + this.config.reactor_type + ". Falling back to CSTR.");
new_reactor = new Reactor_CSTR(this.config);
}
this.source = new_reactor; // protect from reassignment
this.node.source = this.source;
}
_startTickLoop() {
setTimeout(() => {
this._tickInterval = setInterval(() => this._tick(), 1000);
}, 1000);
}
_tick(){
const gridProfile = this.source.getGridProfile;
if (gridProfile) {
this.node.send([{ topic: "GridProfile", payload: gridProfile }, null, null]);
}
this.node.send([this.source.getEffluent, null, null]);
this.node.send([this.source.getEffluent, this._buildTelemetryMessage(), null]);
}
_buildTelemetryMessage() {
const effluent = this.source?.getEffluent;
const concentrations = effluent?.payload?.C;
if (!Array.isArray(concentrations)) {
return null;
}
const telemetry = {
flow_total: Number(effluent.payload.F),
temperature: Number(this.source?.temperature),
};
for (let i = 0; i < Math.min(REACTOR_SPECIES.length, concentrations.length); i += 1) {
const value = Number(concentrations[i]);
if (Number.isFinite(value)) {
telemetry[REACTOR_SPECIES[i]] = value;
}
}
return this._output.formatMsg(telemetry, this.config, 'influxdb');
}
_attachCloseHandler() {
this.node.on('close', (done) => {
clearInterval(this._tickInterval);
if (typeof done === 'function') done();
});
}
}
module.exports = nodeClass;
clearInterval(this._tickInterval);
if (typeof done === 'function') done();
});
}
}
module.exports = nodeClass;

View File

@@ -1,211 +1,211 @@
const math = require('mathjs')
/**
* ASM3 class for the Activated Sludge Model No. 3 (ASM3). Using Koch et al. 2000 parameters.
*/
class ASM3 {
constructor() {
/**
* Kinetic parameters for ASM3 at 20 C. Using Koch et al. 2000 parameters.
* @property {Object} kin_params - Kinetic parameters
*/
this.kin_params = {
// Hydrolysis
k_H: 9., // hydrolysis rate constant [g X_S g-1 X_H d-1]
K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs
k_STO: 12., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.5, // anoxic reduction factor [-]
K_O: 0.2, // saturation constant S_0 [g O2 m-3]
K_NO: 0.5, // saturation constant S_NO [g NO3-N m-3]
K_S: 10., // saturation constant S_s [g COD m-3]
K_STO: 0.1, // saturation constant X_STO [g X_STO g-1 X_H]
mu_H_max: 3., // maximum specific growth rate [d-1]
K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3]
K_HCO: 0.1, // saturation constant S_HCO [mole HCO3 m-3]
b_H_O: 0.3, // aerobic respiration rate [d-1]
b_H_NO: 0.15, // anoxic respiration rate [d-1]
b_STO_O: 0.3, // aerobic respitation rate X_STO [d-1]
b_STO_NO: 0.15, // anoxic respitation rate X_STO [d-1]
// Autotrophs
mu_A_max: 1.3, // maximum specific growth rate [d-1]
K_A_NH: 1.4, // saturation constant S_NH3 [g NH3-N m-3]
K_A_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 m-3]
b_A_O: 0.20, // aerobic respiration rate [d-1]
b_A_NO: 0.10 // anoxic respiration rate [d-1]
};
/**
* Stoichiometric and composition parameters for ASM3. Using Koch et al. 2000 parameters.
* @property {Object} stoi_params - Stoichiometric parameters
*/
this.stoi_params = {
// Fractions
f_SI: 0., // fraction S_I from hydrolysis [g S_I g-1 X_S]
f_XI: 0.2, // fraction X_I from decomp X_H [g X_I g-1 X_H]
// Yields
Y_STO_O: 0.80, // aerobic yield X_STO per S_S [g X_STO g-1 S_S]
Y_STO_NO: 0.70, // anoxic yield X_STO per S_S [g X_STO g-1 S_S]
Y_H_O: 0.80, // aerobic yield X_H per X_STO [g X_H g-1 X_STO]
Y_H_NO: 0.65, // anoxic yield X_H per X_STO [g X_H g-1 X_STO]
Y_A: 0.24, // anoxic yield X_A per S_NO [g X_A g-1 NO3-N]
// Composition (COD via DoR)
i_CODN: -1.71, // COD content (DoR) [g COD g-1 N2-N]
i_CODNO: -4.57, // COD content (DoR) [g COD g-1 NO3-N]
// Composition (nitrogen)
i_NSI: 0.01, // nitrogen content S_I [g N g-1 S_I]
i_NSS: 0.03, // nitrogen content S_S [g N g-1 S_S]
i_NXI: 0.04, // nitrogen content X_I [g N g-1 X_I]
i_NXS: 0.03, // nitrogen content X_S [g N g-1 X_S]
i_NBM: 0.07, // nitrogen content X_H / X_A [g N g-1 X_H / X_A]
// Composition (TSS)
i_TSXI: 0.75, // TSS content X_I [g TS g-1 X_I]
i_TSXS: 0.75, // TSS content X_S [g TS g-1 X_S]
i_TSBM: 0.90, // TSS content X_H / X_A [g TS g-1 X_H / X_A]
i_TSSTO: 0.60, // TSS content X_STO (PHB based) [g TS g-1 X_STO]
// Composition (charge)
i_cNH: 1/14, // charge per S_NH [mole H+ g-1 NH3-N]
i_cNO: -1/14 // charge per S_NO [mole H+ g-1 NO3-N]
};
/**
* Temperature theta parameters for ASM3. Using Koch et al. 2000 parameters.
* These parameters are used to adjust reaction rates based on temperature.
* @property {Object} temp_params - Temperature theta parameters
*/
this.temp_params = {
// Hydrolysis
theta_H: 0.04,
// Heterotrophs
theta_STO: 0.07,
theta_mu_H: 0.07,
theta_b_H_O: 0.07,
theta_b_H_NO: 0.07,
theta_b_STO_O: this._compute_theta(0.1, 0.3, 10, 20),
theta_b_STO_NO: this._compute_theta(0.05, 0.15, 10, 20),
// Autotrophs
theta_mu_A: 0.105,
theta_b_A_O: 0.105,
theta_b_A_NO: 0.105
};
this.stoi_matrix = this._initialise_stoi_matrix();
}
/**
* Initialises the stoichiometric matrix for ASM3.
* @returns {Array} - The stoichiometric matrix for ASM3. (2D array)
*/
_initialise_stoi_matrix() { // initialise stoichiometric matrix
const { f_SI, f_XI, Y_STO_O, Y_STO_NO, Y_H_O, Y_H_NO, Y_A, i_CODN, i_CODNO, i_NSI, i_NSS, i_NXI, i_NXS, i_NBM, i_TSXI, i_TSXS, i_TSBM, i_TSSTO, i_cNH, i_cNO } = this.stoi_params;
const stoi_matrix = Array(12);
// S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
stoi_matrix[0] = [0., f_SI, 1.-f_SI, i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI, 0., 0., (i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI)*i_cNH, 0., -1., 0., 0., 0., -i_TSXS];
stoi_matrix[1] = [-(1.-Y_STO_O), 0, -1., i_NSS, 0., 0., i_NSS*i_cNH, 0., 0., 0., Y_STO_O, 0., Y_STO_O*i_TSSTO];
stoi_matrix[2] = [0., 0., -1., i_NSS, -(1.-Y_STO_NO)/(i_CODNO-i_CODN), (1.-Y_STO_NO)/(i_CODNO-i_CODN), i_NSS*i_cNH + (1.-Y_STO_NO)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., Y_STO_NO, 0., Y_STO_NO*i_TSSTO];
stoi_matrix[3] = [-(1.-Y_H_O)/Y_H_O, 0., 0., -i_NBM, 0., 0., -i_NBM*i_cNH, 0., 0., 1., -1./Y_H_O, 0., i_TSBM-i_TSSTO/Y_H_O];
stoi_matrix[4] = [0., 0., 0., -i_NBM, -(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), (1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), -i_NBM*i_cNH+(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN))*i_cNO, 0., 0., 1., -1./Y_H_NO, 0., i_TSBM-i_TSSTO/Y_H_NO];
stoi_matrix[5] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[6] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[7] = [-1., 0., 0., 0., 0., 0., 0., 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[8] = [0., 0., 0., 0., -1./(i_CODNO-i_CODN), 1./(i_CODNO-i_CODN), i_cNO/(i_CODNO-i_CODN), 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[9] = [1.+i_CODNO/Y_A, 0., 0., -1./Y_A-i_NBM, 0., 1./Y_A, (-1./Y_A-i_NBM)*i_cNH+i_cNO/Y_A, 0., 0., 0., 0., 1., i_TSBM];
stoi_matrix[10] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
stoi_matrix[11] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
return stoi_matrix[0].map((col, i) => stoi_matrix.map(row => row[i])); // transpose matrix
}
/**
* Computes the Monod equation rate value for a given concentration and half-saturation constant.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Monod equation rate value for the given concentration and half-saturation constant.
*/
_monod(c, K) {
return c / (K + c);
}
/**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/
_inv_monod(c, K) {
return K / (K + c);
}
/**
* Adjust the rate parameter for temperature T using simplied Arrhenius equation based on rate constant at 20 degrees Celsius and theta parameter.
* @param {number} k - Rate constant at 20 degrees Celcius.
* @param {number} theta - Theta parameter.
* @param {number} T - Temperature in Celcius.
* @returns {number} - Adjusted rate parameter at temperature T based on the Arrhenius equation.
*/
_arrhenius(k, theta, T) {
return k * Math.exp(theta*(T-20));
}
/**
* Computes the temperature theta parameter based on two rate constants and their corresponding temperatures.
* @param {number} k1 - Rate constant at temperature T1.
* @param {number} k2 - Rate constant at temperature T2.
* @param {number} T1 - Temperature T1 in Celcius.
* @param {number} T2 - Temperature T2 in Celcius.
* @returns {number} - Theta parameter.
*/
_compute_theta(k1, k2, T1, T2) {
return Math.log(k1/k2)/(T1-T2);
}
/**
* Computes the reaction rates for each process reaction based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Reaction rates for each process reaction.
*/
compute_rates(state, T = 20) {
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
const rates = Array(12);
const [S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS] = state;
const { k_H, K_X, k_STO, nu_NO, K_O, K_NO, K_S, K_STO, mu_H_max, K_NH, K_HCO, b_H_O, b_H_NO, b_STO_O, b_STO_NO, mu_A_max, K_A_NH, K_A_O, K_A_HCO, b_A_O, b_A_NO } = this.kin_params;
const { theta_H, theta_STO, theta_mu_H, theta_b_H_O, theta_b_H_NO, theta_b_STO_O, theta_b_STO_NO, theta_mu_A, theta_b_A_O, theta_b_A_NO } = this.temp_params;
// Hydrolysis
rates[0] = X_H == 0 ? 0 : this._arrhenius(k_H, theta_H, T) * this._monod(X_S / X_H, K_X) * X_H;
// Heterotrophs
rates[1] = this._arrhenius(k_STO, theta_STO, T) * this._monod(S_O, K_O) * this._monod(S_S, K_S) * X_H;
rates[2] = this._arrhenius(k_STO, theta_STO, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_S, K_S) * X_H;
rates[3] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * this._monod(S_O, K_O) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[4] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[5] = this._arrhenius(b_H_O, theta_b_H_O, T) * this._monod(S_O, K_O) * X_H;
rates[6] = this._arrhenius(b_H_NO, theta_b_H_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_H;
rates[7] = this._arrhenius(b_STO_O, theta_b_STO_O, T) * this._monod(S_O, K_O) * X_H;
rates[8] = this._arrhenius(b_STO_NO, theta_b_STO_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_STO;
// Autotrophs
rates[9] = this._arrhenius(mu_A_max, theta_mu_A, T) * this._monod(S_O, K_A_O) * this._monod(S_NH, K_A_NH) * this._monod(S_HCO, K_A_HCO) * X_A;
rates[10] = this._arrhenius(b_A_O, theta_b_A_O, T) * this._monod(S_O, K_O) * X_A;
rates[11] = this._arrhenius(b_A_NO, theta_b_A_NO, T) * this._inv_monod(S_O, K_A_O) * this._monod(S_NO, K_NO) * X_A;
return rates;
}
/**
* Computes the change in concentrations of reaction species based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Change in reaction species concentrations.
*/
compute_dC(state, T = 20) { // compute changes in concentrations
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
return math.multiply(this.stoi_matrix, this.compute_rates(state, T));
}
}
const math = require('mathjs')
/**
* ASM3 class for the Activated Sludge Model No. 3 (ASM3). Using Koch et al. 2000 parameters.
*/
class ASM3 {
constructor() {
/**
* Kinetic parameters for ASM3 at 20 C. Using Koch et al. 2000 parameters.
* @property {Object} kin_params - Kinetic parameters
*/
this.kin_params = {
// Hydrolysis
k_H: 9., // hydrolysis rate constant [g X_S g-1 X_H d-1]
K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs
k_STO: 12., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.5, // anoxic reduction factor [-]
K_O: 0.2, // saturation constant S_0 [g O2 m-3]
K_NO: 0.5, // saturation constant S_NO [g NO3-N m-3]
K_S: 10., // saturation constant S_s [g COD m-3]
K_STO: 0.1, // saturation constant X_STO [g X_STO g-1 X_H]
mu_H_max: 3., // maximum specific growth rate [d-1]
K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3]
K_HCO: 0.1, // saturation constant S_HCO [mole HCO3 m-3]
b_H_O: 0.3, // aerobic respiration rate [d-1]
b_H_NO: 0.15, // anoxic respiration rate [d-1]
b_STO_O: 0.3, // aerobic respitation rate X_STO [d-1]
b_STO_NO: 0.15, // anoxic respitation rate X_STO [d-1]
// Autotrophs
mu_A_max: 1.3, // maximum specific growth rate [d-1]
K_A_NH: 1.4, // saturation constant S_NH3 [g NH3-N m-3]
K_A_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 m-3]
b_A_O: 0.20, // aerobic respiration rate [d-1]
b_A_NO: 0.10 // anoxic respiration rate [d-1]
};
/**
* Stoichiometric and composition parameters for ASM3. Using Koch et al. 2000 parameters.
* @property {Object} stoi_params - Stoichiometric parameters
*/
this.stoi_params = {
// Fractions
f_SI: 0., // fraction S_I from hydrolysis [g S_I g-1 X_S]
f_XI: 0.2, // fraction X_I from decomp X_H [g X_I g-1 X_H]
// Yields
Y_STO_O: 0.80, // aerobic yield X_STO per S_S [g X_STO g-1 S_S]
Y_STO_NO: 0.70, // anoxic yield X_STO per S_S [g X_STO g-1 S_S]
Y_H_O: 0.80, // aerobic yield X_H per X_STO [g X_H g-1 X_STO]
Y_H_NO: 0.65, // anoxic yield X_H per X_STO [g X_H g-1 X_STO]
Y_A: 0.24, // anoxic yield X_A per S_NO [g X_A g-1 NO3-N]
// Composition (COD via DoR)
i_CODN: -1.71, // COD content (DoR) [g COD g-1 N2-N]
i_CODNO: -4.57, // COD content (DoR) [g COD g-1 NO3-N]
// Composition (nitrogen)
i_NSI: 0.01, // nitrogen content S_I [g N g-1 S_I]
i_NSS: 0.03, // nitrogen content S_S [g N g-1 S_S]
i_NXI: 0.04, // nitrogen content X_I [g N g-1 X_I]
i_NXS: 0.03, // nitrogen content X_S [g N g-1 X_S]
i_NBM: 0.07, // nitrogen content X_H / X_A [g N g-1 X_H / X_A]
// Composition (TSS)
i_TSXI: 0.75, // TSS content X_I [g TS g-1 X_I]
i_TSXS: 0.75, // TSS content X_S [g TS g-1 X_S]
i_TSBM: 0.90, // TSS content X_H / X_A [g TS g-1 X_H / X_A]
i_TSSTO: 0.60, // TSS content X_STO (PHB based) [g TS g-1 X_STO]
// Composition (charge)
i_cNH: 1/14, // charge per S_NH [mole H+ g-1 NH3-N]
i_cNO: -1/14 // charge per S_NO [mole H+ g-1 NO3-N]
};
/**
* Temperature theta parameters for ASM3. Using Koch et al. 2000 parameters.
* These parameters are used to adjust reaction rates based on temperature.
* @property {Object} temp_params - Temperature theta parameters
*/
this.temp_params = {
// Hydrolysis
theta_H: 0.04,
// Heterotrophs
theta_STO: 0.07,
theta_mu_H: 0.07,
theta_b_H_O: 0.07,
theta_b_H_NO: 0.07,
theta_b_STO_O: this._compute_theta(0.1, 0.3, 10, 20),
theta_b_STO_NO: this._compute_theta(0.05, 0.15, 10, 20),
// Autotrophs
theta_mu_A: 0.105,
theta_b_A_O: 0.105,
theta_b_A_NO: 0.105
};
this.stoi_matrix = this._initialise_stoi_matrix();
}
/**
* Initialises the stoichiometric matrix for ASM3.
* @returns {Array} - The stoichiometric matrix for ASM3. (2D array)
*/
_initialise_stoi_matrix() { // initialise stoichiometric matrix
const { f_SI, f_XI, Y_STO_O, Y_STO_NO, Y_H_O, Y_H_NO, Y_A, i_CODN, i_CODNO, i_NSI, i_NSS, i_NXI, i_NXS, i_NBM, i_TSXI, i_TSXS, i_TSBM, i_TSSTO, i_cNH, i_cNO } = this.stoi_params;
const stoi_matrix = Array(12);
// S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
stoi_matrix[0] = [0., f_SI, 1.-f_SI, i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI, 0., 0., (i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI)*i_cNH, 0., -1., 0., 0., 0., -i_TSXS];
stoi_matrix[1] = [-(1.-Y_STO_O), 0, -1., i_NSS, 0., 0., i_NSS*i_cNH, 0., 0., 0., Y_STO_O, 0., Y_STO_O*i_TSSTO];
stoi_matrix[2] = [0., 0., -1., i_NSS, -(1.-Y_STO_NO)/(i_CODNO-i_CODN), (1.-Y_STO_NO)/(i_CODNO-i_CODN), i_NSS*i_cNH + (1.-Y_STO_NO)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., Y_STO_NO, 0., Y_STO_NO*i_TSSTO];
stoi_matrix[3] = [-(1.-Y_H_O)/Y_H_O, 0., 0., -i_NBM, 0., 0., -i_NBM*i_cNH, 0., 0., 1., -1./Y_H_O, 0., i_TSBM-i_TSSTO/Y_H_O];
stoi_matrix[4] = [0., 0., 0., -i_NBM, -(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), (1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), -i_NBM*i_cNH+(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN))*i_cNO, 0., 0., 1., -1./Y_H_NO, 0., i_TSBM-i_TSSTO/Y_H_NO];
stoi_matrix[5] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[6] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[7] = [-1., 0., 0., 0., 0., 0., 0., 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[8] = [0., 0., 0., 0., -1./(i_CODNO-i_CODN), 1./(i_CODNO-i_CODN), i_cNO/(i_CODNO-i_CODN), 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[9] = [1.+i_CODNO/Y_A, 0., 0., -1./Y_A-i_NBM, 0., 1./Y_A, (-1./Y_A-i_NBM)*i_cNH+i_cNO/Y_A, 0., 0., 0., 0., 1., i_TSBM];
stoi_matrix[10] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
stoi_matrix[11] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
return stoi_matrix[0].map((col, i) => stoi_matrix.map(row => row[i])); // transpose matrix
}
/**
* Computes the Monod equation rate value for a given concentration and half-saturation constant.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Monod equation rate value for the given concentration and half-saturation constant.
*/
_monod(c, K) {
return c / (K + c);
}
/**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/
_inv_monod(c, K) {
return K / (K + c);
}
/**
* Adjust the rate parameter for temperature T using simplied Arrhenius equation based on rate constant at 20 degrees Celsius and theta parameter.
* @param {number} k - Rate constant at 20 degrees Celcius.
* @param {number} theta - Theta parameter.
* @param {number} T - Temperature in Celcius.
* @returns {number} - Adjusted rate parameter at temperature T based on the Arrhenius equation.
*/
_arrhenius(k, theta, T) {
return k * Math.exp(theta*(T-20));
}
/**
* Computes the temperature theta parameter based on two rate constants and their corresponding temperatures.
* @param {number} k1 - Rate constant at temperature T1.
* @param {number} k2 - Rate constant at temperature T2.
* @param {number} T1 - Temperature T1 in Celcius.
* @param {number} T2 - Temperature T2 in Celcius.
* @returns {number} - Theta parameter.
*/
_compute_theta(k1, k2, T1, T2) {
return Math.log(k1/k2)/(T1-T2);
}
/**
* Computes the reaction rates for each process reaction based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Reaction rates for each process reaction.
*/
compute_rates(state, T = 20) {
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
const rates = Array(12);
const [S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS] = state;
const { k_H, K_X, k_STO, nu_NO, K_O, K_NO, K_S, K_STO, mu_H_max, K_NH, K_HCO, b_H_O, b_H_NO, b_STO_O, b_STO_NO, mu_A_max, K_A_NH, K_A_O, K_A_HCO, b_A_O, b_A_NO } = this.kin_params;
const { theta_H, theta_STO, theta_mu_H, theta_b_H_O, theta_b_H_NO, theta_b_STO_O, theta_b_STO_NO, theta_mu_A, theta_b_A_O, theta_b_A_NO } = this.temp_params;
// Hydrolysis
rates[0] = X_H == 0 ? 0 : this._arrhenius(k_H, theta_H, T) * this._monod(X_S / X_H, K_X) * X_H;
// Heterotrophs
rates[1] = this._arrhenius(k_STO, theta_STO, T) * this._monod(S_O, K_O) * this._monod(S_S, K_S) * X_H;
rates[2] = this._arrhenius(k_STO, theta_STO, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_S, K_S) * X_H;
rates[3] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * this._monod(S_O, K_O) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[4] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[5] = this._arrhenius(b_H_O, theta_b_H_O, T) * this._monod(S_O, K_O) * X_H;
rates[6] = this._arrhenius(b_H_NO, theta_b_H_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_H;
rates[7] = this._arrhenius(b_STO_O, theta_b_STO_O, T) * this._monod(S_O, K_O) * X_H;
rates[8] = this._arrhenius(b_STO_NO, theta_b_STO_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_STO;
// Autotrophs
rates[9] = this._arrhenius(mu_A_max, theta_mu_A, T) * this._monod(S_O, K_A_O) * this._monod(S_NH, K_A_NH) * this._monod(S_HCO, K_A_HCO) * X_A;
rates[10] = this._arrhenius(b_A_O, theta_b_A_O, T) * this._monod(S_O, K_O) * X_A;
rates[11] = this._arrhenius(b_A_NO, theta_b_A_NO, T) * this._inv_monod(S_O, K_A_O) * this._monod(S_NO, K_NO) * X_A;
return rates;
}
/**
* Computes the change in concentrations of reaction species based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Change in reaction species concentrations.
*/
compute_dC(state, T = 20) { // compute changes in concentrations
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
return math.multiply(this.stoi_matrix, this.compute_rates(state, T));
}
}
module.exports = ASM3;

View File

@@ -1,211 +1,211 @@
const math = require('mathjs')
/**
* ASM3 class for the Activated Sludge Model No. 3 (ASM3).
*/
class ASM3 {
constructor() {
/**
* Kinetic parameters for ASM3 at 20 C.
* @property {Object} kin_params - Kinetic parameters
*/
this.kin_params = {
// Hydrolysis
k_H: 3., // hydrolysis rate constant [g X_S g-1 X_H d-1]
K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs
k_STO: 5., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.6, // anoxic reduction factor [-]
K_O: 0.2, // saturation constant S_0 [g O2 m-3]
K_NO: 0.5, // saturation constant S_NO [g NO3-N m-3]
K_S: 2., // saturation constant S_s [g COD m-3]
K_STO: 1., // saturation constant X_STO [g X_STO g-1 X_H]
mu_H_max: 2., // maximum specific growth rate [d-1]
K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3]
K_HCO: 0.1, // saturation constant S_HCO [mole HCO3 m-3]
b_H_O: 0.2, // aerobic respiration rate [d-1]
b_H_NO: 0.1, // anoxic respiration rate [d-1]
b_STO_O: 0.2, // aerobic respitation rate X_STO [d-1]
b_STO_NO: 0.1, // anoxic respitation rate X_STO [d-1]
// Autotrophs
mu_A_max: 1.0, // maximum specific growth rate [d-1]
K_A_NH: 1., // saturation constant S_NH3 [g NH3-N m-3]
K_A_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 m-3]
b_A_O: 0.15, // aerobic respiration rate [d-1]
b_A_NO: 0.05 // anoxic respiration rate [d-1]
};
/**
* Stoichiometric and composition parameters for ASM3.
* @property {Object} stoi_params - Stoichiometric parameters
*/
this.stoi_params = {
// Fractions
f_SI: 0., // fraction S_I from hydrolysis [g S_I g-1 X_S]
f_XI: 0.2, // fraction X_I from decomp X_H [g X_I g-1 X_H]
// Yields
Y_STO_O: 0.85, // aerobic yield X_STO per S_S [g X_STO g-1 S_S]
Y_STO_NO: 0.80, // anoxic yield X_STO per S_S [g X_STO g-1 S_S]
Y_H_O: 0.63, // aerobic yield X_H per X_STO [g X_H g-1 X_STO]
Y_H_NO: 0.54, // anoxic yield X_H per X_STO [g X_H g-1 X_STO]
Y_A: 0.24, // anoxic yield X_A per S_NO [g X_A g-1 NO3-N]
// Composition (COD via DoR)
i_CODN: -1.71, // COD content (DoR) [g COD g-1 N2-N]
i_CODNO: -4.57, // COD content (DoR) [g COD g-1 NO3-N]
// Composition (nitrogen)
i_NSI: 0.01, // nitrogen content S_I [g N g-1 S_I]
i_NSS: 0.03, // nitrogen content S_S [g N g-1 S_S]
i_NXI: 0.02, // nitrogen content X_I [g N g-1 X_I]
i_NXS: 0.04, // nitrogen content X_S [g N g-1 X_S]
i_NBM: 0.07, // nitrogen content X_H / X_A [g N g-1 X_H / X_A]
// Composition (TSS)
i_TSXI: 0.75, // TSS content X_I [g TS g-1 X_I]
i_TSXS: 0.75, // TSS content X_S [g TS g-1 X_S]
i_TSBM: 0.90, // TSS content X_H / X_A [g TS g-1 X_H / X_A]
i_TSSTO: 0.60, // TSS content X_STO (PHB based) [g TS g-1 X_STO]
// Composition (charge)
i_cNH: 1/14, // charge per S_NH [mole H+ g-1 NH3-N]
i_cNO: -1/14 // charge per S_NO [mole H+ g-1 NO3-N]
};
/**
* Temperature theta parameters for ASM3.
* These parameters are used to adjust reaction rates based on temperature.
* @property {Object} temp_params - Temperature theta parameters
*/
this.temp_params = {
// Hydrolysis
theta_H: this._compute_theta(2, 3, 10, 20),
// Heterotrophs
theta_STO: this._compute_theta(2.5, 5, 10, 20),
theta_mu_H: this._compute_theta(1, 2, 10, 20),
theta_b_H_O: this._compute_theta(0.1, 0.2, 10, 20),
theta_b_H_NO: this._compute_theta(0.05, 0.1, 10, 20),
theta_b_STO_O: this._compute_theta(0.1, 0.2, 10, 20),
theta_b_STO_NO: this._compute_theta(0.05, 0.1, 10, 20),
// Autotrophs
theta_mu_A: this._compute_theta(0.35, 1, 10, 20),
theta_b_A_O: this._compute_theta(0.05, 0.15, 10, 20),
theta_b_A_NO: this._compute_theta(0.02, 0.05, 10, 20)
};
this.stoi_matrix = this._initialise_stoi_matrix();
}
/**
* Initialises the stoichiometric matrix for ASM3.
* @returns {Array} - The stoichiometric matrix for ASM3. (2D array)
*/
_initialise_stoi_matrix() { // initialise stoichiometric matrix
const { f_SI, f_XI, Y_STO_O, Y_STO_NO, Y_H_O, Y_H_NO, Y_A, i_CODN, i_CODNO, i_NSI, i_NSS, i_NXI, i_NXS, i_NBM, i_TSXI, i_TSXS, i_TSBM, i_TSSTO, i_cNH, i_cNO } = this.stoi_params;
const stoi_matrix = Array(12);
// S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
stoi_matrix[0] = [0., f_SI, 1.-f_SI, i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI, 0., 0., (i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI)*i_cNH, 0., -1., 0., 0., 0., -i_TSXS];
stoi_matrix[1] = [-(1.-Y_STO_O), 0, -1., i_NSS, 0., 0., i_NSS*i_cNH, 0., 0., 0., Y_STO_O, 0., Y_STO_O*i_TSSTO];
stoi_matrix[2] = [0., 0., -1., i_NSS, -(1.-Y_STO_NO)/(i_CODNO-i_CODN), (1.-Y_STO_NO)/(i_CODNO-i_CODN), i_NSS*i_cNH + (1.-Y_STO_NO)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., Y_STO_NO, 0., Y_STO_NO*i_TSSTO];
stoi_matrix[3] = [-(1.-Y_H_O)/Y_H_O, 0., 0., -i_NBM, 0., 0., -i_NBM*i_cNH, 0., 0., 1., -1./Y_H_O, 0., i_TSBM-i_TSSTO/Y_H_O];
stoi_matrix[4] = [0., 0., 0., -i_NBM, -(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), (1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), -i_NBM*i_cNH+(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN))*i_cNO, 0., 0., 1., -1./Y_H_NO, 0., i_TSBM-i_TSSTO/Y_H_NO];
stoi_matrix[5] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[6] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[7] = [-1., 0., 0., 0., 0., 0., 0., 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[8] = [0., 0., 0., 0., -1./(i_CODNO-i_CODN), 1./(i_CODNO-i_CODN), i_cNO/(i_CODNO-i_CODN), 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[9] = [1.+i_CODNO/Y_A, 0., 0., -1./Y_A-i_NBM, 0., 1./Y_A, (-1./Y_A-i_NBM)*i_cNH+i_cNO/Y_A, 0., 0., 0., 0., 1., i_TSBM];
stoi_matrix[10] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
stoi_matrix[11] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
return stoi_matrix[0].map((col, i) => stoi_matrix.map(row => row[i])); // transpose matrix
}
/**
* Computes the Monod equation rate value for a given concentration and half-saturation constant.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Monod equation rate value for the given concentration and half-saturation constant.
*/
_monod(c, K) {
return c / (K + c);
}
/**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/
_inv_monod(c, K) {
return K / (K + c);
}
/**
* Adjust the rate parameter for temperature T using simplied Arrhenius equation based on rate constant at 20 degrees Celsius and theta parameter.
* @param {number} k - Rate constant at 20 degrees Celcius.
* @param {number} theta - Theta parameter.
* @param {number} T - Temperature in Celcius.
* @returns {number} - Adjusted rate parameter at temperature T based on the Arrhenius equation.
*/
_arrhenius(k, theta, T) {
return k * Math.exp(theta*(T-20));
}
/**
* Computes the temperature theta parameter based on two rate constants and their corresponding temperatures.
* @param {number} k1 - Rate constant at temperature T1.
* @param {number} k2 - Rate constant at temperature T2.
* @param {number} T1 - Temperature T1 in Celcius.
* @param {number} T2 - Temperature T2 in Celcius.
* @returns {number} - Theta parameter.
*/
_compute_theta(k1, k2, T1, T2) {
return Math.log(k1/k2)/(T1-T2);
}
/**
* Computes the reaction rates for each process reaction based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Reaction rates for each process reaction.
*/
compute_rates(state, T = 20) {
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
const rates = Array(12);
const [S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS] = state;
const { k_H, K_X, k_STO, nu_NO, K_O, K_NO, K_S, K_STO, mu_H_max, K_NH, K_HCO, b_H_O, b_H_NO, b_STO_O, b_STO_NO, mu_A_max, K_A_NH, K_A_O, K_A_HCO, b_A_O, b_A_NO } = this.kin_params;
const { theta_H, theta_STO, theta_mu_H, theta_b_H_O, theta_b_H_NO, theta_b_STO_O, theta_b_STO_NO, theta_mu_A, theta_b_A_O, theta_b_A_NO } = this.temp_params;
// Hydrolysis
rates[0] = X_H == 0 ? 0 : this._arrhenius(k_H, theta_H, T) * this._monod(X_S / X_H, K_X) * X_H;
// Heterotrophs
rates[1] = this._arrhenius(k_STO, theta_STO, T) * this._monod(S_O, K_O) * this._monod(S_S, K_S) * X_H;
rates[2] = this._arrhenius(k_STO, theta_STO, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_S, K_S) * X_H;
rates[3] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * this._monod(S_O, K_O) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[4] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[5] = this._arrhenius(b_H_O, theta_b_H_O, T) * this._monod(S_O, K_O) * X_H;
rates[6] = this._arrhenius(b_H_NO, theta_b_H_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_H;
rates[7] = this._arrhenius(b_STO_O, theta_b_STO_O, T) * this._monod(S_O, K_O) * X_H;
rates[8] = this._arrhenius(b_STO_NO, theta_b_STO_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_STO;
// Autotrophs
rates[9] = this._arrhenius(mu_A_max, theta_mu_A, T) * this._monod(S_O, K_A_O) * this._monod(S_NH, K_A_NH) * this._monod(S_HCO, K_A_HCO) * X_A;
rates[10] = this._arrhenius(b_A_O, theta_b_A_O, T) * this._monod(S_O, K_O) * X_A;
rates[11] = this._arrhenius(b_A_NO, theta_b_A_NO, T) * this._inv_monod(S_O, K_A_O) * this._monod(S_NO, K_NO) * X_A;
return rates;
}
/**
* Computes the change in concentrations of reaction species based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Change in reaction species concentrations.
*/
compute_dC(state, T = 20) { // compute changes in concentrations
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
return math.multiply(this.stoi_matrix, this.compute_rates(state, T));
}
}
const math = require('mathjs')
/**
* ASM3 class for the Activated Sludge Model No. 3 (ASM3).
*/
class ASM3 {
constructor() {
/**
* Kinetic parameters for ASM3 at 20 C.
* @property {Object} kin_params - Kinetic parameters
*/
this.kin_params = {
// Hydrolysis
k_H: 3., // hydrolysis rate constant [g X_S g-1 X_H d-1]
K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs
k_STO: 5., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.6, // anoxic reduction factor [-]
K_O: 0.2, // saturation constant S_0 [g O2 m-3]
K_NO: 0.5, // saturation constant S_NO [g NO3-N m-3]
K_S: 2., // saturation constant S_s [g COD m-3]
K_STO: 1., // saturation constant X_STO [g X_STO g-1 X_H]
mu_H_max: 2., // maximum specific growth rate [d-1]
K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3]
K_HCO: 0.1, // saturation constant S_HCO [mole HCO3 m-3]
b_H_O: 0.2, // aerobic respiration rate [d-1]
b_H_NO: 0.1, // anoxic respiration rate [d-1]
b_STO_O: 0.2, // aerobic respitation rate X_STO [d-1]
b_STO_NO: 0.1, // anoxic respitation rate X_STO [d-1]
// Autotrophs
mu_A_max: 1.0, // maximum specific growth rate [d-1]
K_A_NH: 1., // saturation constant S_NH3 [g NH3-N m-3]
K_A_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 m-3]
b_A_O: 0.15, // aerobic respiration rate [d-1]
b_A_NO: 0.05 // anoxic respiration rate [d-1]
};
/**
* Stoichiometric and composition parameters for ASM3.
* @property {Object} stoi_params - Stoichiometric parameters
*/
this.stoi_params = {
// Fractions
f_SI: 0., // fraction S_I from hydrolysis [g S_I g-1 X_S]
f_XI: 0.2, // fraction X_I from decomp X_H [g X_I g-1 X_H]
// Yields
Y_STO_O: 0.85, // aerobic yield X_STO per S_S [g X_STO g-1 S_S]
Y_STO_NO: 0.80, // anoxic yield X_STO per S_S [g X_STO g-1 S_S]
Y_H_O: 0.63, // aerobic yield X_H per X_STO [g X_H g-1 X_STO]
Y_H_NO: 0.54, // anoxic yield X_H per X_STO [g X_H g-1 X_STO]
Y_A: 0.24, // anoxic yield X_A per S_NO [g X_A g-1 NO3-N]
// Composition (COD via DoR)
i_CODN: -1.71, // COD content (DoR) [g COD g-1 N2-N]
i_CODNO: -4.57, // COD content (DoR) [g COD g-1 NO3-N]
// Composition (nitrogen)
i_NSI: 0.01, // nitrogen content S_I [g N g-1 S_I]
i_NSS: 0.03, // nitrogen content S_S [g N g-1 S_S]
i_NXI: 0.02, // nitrogen content X_I [g N g-1 X_I]
i_NXS: 0.04, // nitrogen content X_S [g N g-1 X_S]
i_NBM: 0.07, // nitrogen content X_H / X_A [g N g-1 X_H / X_A]
// Composition (TSS)
i_TSXI: 0.75, // TSS content X_I [g TS g-1 X_I]
i_TSXS: 0.75, // TSS content X_S [g TS g-1 X_S]
i_TSBM: 0.90, // TSS content X_H / X_A [g TS g-1 X_H / X_A]
i_TSSTO: 0.60, // TSS content X_STO (PHB based) [g TS g-1 X_STO]
// Composition (charge)
i_cNH: 1/14, // charge per S_NH [mole H+ g-1 NH3-N]
i_cNO: -1/14 // charge per S_NO [mole H+ g-1 NO3-N]
};
/**
* Temperature theta parameters for ASM3.
* These parameters are used to adjust reaction rates based on temperature.
* @property {Object} temp_params - Temperature theta parameters
*/
this.temp_params = {
// Hydrolysis
theta_H: this._compute_theta(2, 3, 10, 20),
// Heterotrophs
theta_STO: this._compute_theta(2.5, 5, 10, 20),
theta_mu_H: this._compute_theta(1, 2, 10, 20),
theta_b_H_O: this._compute_theta(0.1, 0.2, 10, 20),
theta_b_H_NO: this._compute_theta(0.05, 0.1, 10, 20),
theta_b_STO_O: this._compute_theta(0.1, 0.2, 10, 20),
theta_b_STO_NO: this._compute_theta(0.05, 0.1, 10, 20),
// Autotrophs
theta_mu_A: this._compute_theta(0.35, 1, 10, 20),
theta_b_A_O: this._compute_theta(0.05, 0.15, 10, 20),
theta_b_A_NO: this._compute_theta(0.02, 0.05, 10, 20)
};
this.stoi_matrix = this._initialise_stoi_matrix();
}
/**
* Initialises the stoichiometric matrix for ASM3.
* @returns {Array} - The stoichiometric matrix for ASM3. (2D array)
*/
_initialise_stoi_matrix() { // initialise stoichiometric matrix
const { f_SI, f_XI, Y_STO_O, Y_STO_NO, Y_H_O, Y_H_NO, Y_A, i_CODN, i_CODNO, i_NSI, i_NSS, i_NXI, i_NXS, i_NBM, i_TSXI, i_TSXS, i_TSBM, i_TSSTO, i_cNH, i_cNO } = this.stoi_params;
const stoi_matrix = Array(12);
// S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
stoi_matrix[0] = [0., f_SI, 1.-f_SI, i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI, 0., 0., (i_NXS-(1.-f_SI)*i_NSS-f_SI*i_NSI)*i_cNH, 0., -1., 0., 0., 0., -i_TSXS];
stoi_matrix[1] = [-(1.-Y_STO_O), 0, -1., i_NSS, 0., 0., i_NSS*i_cNH, 0., 0., 0., Y_STO_O, 0., Y_STO_O*i_TSSTO];
stoi_matrix[2] = [0., 0., -1., i_NSS, -(1.-Y_STO_NO)/(i_CODNO-i_CODN), (1.-Y_STO_NO)/(i_CODNO-i_CODN), i_NSS*i_cNH + (1.-Y_STO_NO)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., Y_STO_NO, 0., Y_STO_NO*i_TSSTO];
stoi_matrix[3] = [-(1.-Y_H_O)/Y_H_O, 0., 0., -i_NBM, 0., 0., -i_NBM*i_cNH, 0., 0., 1., -1./Y_H_O, 0., i_TSBM-i_TSSTO/Y_H_O];
stoi_matrix[4] = [0., 0., 0., -i_NBM, -(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), (1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN)), -i_NBM*i_cNH+(1.-Y_H_NO)/(Y_H_NO*(i_CODNO-i_CODN))*i_cNO, 0., 0., 1., -1./Y_H_NO, 0., i_TSBM-i_TSSTO/Y_H_NO];
stoi_matrix[5] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[6] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, f_XI, 0., -1., 0., 0., f_XI*i_TSXI-i_TSBM];
stoi_matrix[7] = [-1., 0., 0., 0., 0., 0., 0., 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[8] = [0., 0., 0., 0., -1./(i_CODNO-i_CODN), 1./(i_CODNO-i_CODN), i_cNO/(i_CODNO-i_CODN), 0., 0., 0., -1., 0., -i_TSSTO];
stoi_matrix[9] = [1.+i_CODNO/Y_A, 0., 0., -1./Y_A-i_NBM, 0., 1./Y_A, (-1./Y_A-i_NBM)*i_cNH+i_cNO/Y_A, 0., 0., 0., 0., 1., i_TSBM];
stoi_matrix[10] = [f_XI-1., 0., 0., i_NBM-f_XI*i_NXI, 0., 0., (i_NBM-f_XI*i_NXI)*i_cNH, f_XI, 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
stoi_matrix[11] = [0., 0., 0., i_NBM-f_XI*i_NXI, -(1.-f_XI)/(i_CODNO-i_CODN), (1.-f_XI)/(i_CODNO-i_CODN), (i_NBM-f_XI*i_NXI)*i_cNH+(1-f_XI)/(i_CODNO-i_CODN)*i_cNO, 0., 0., 0., 0., -1., f_XI*i_TSXI-i_TSBM];
return stoi_matrix[0].map((col, i) => stoi_matrix.map(row => row[i])); // transpose matrix
}
/**
* Computes the Monod equation rate value for a given concentration and half-saturation constant.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Monod equation rate value for the given concentration and half-saturation constant.
*/
_monod(c, K) {
return c / (K + c);
}
/**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition.
* @param {number} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the reaction species.
* @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/
_inv_monod(c, K) {
return K / (K + c);
}
/**
* Adjust the rate parameter for temperature T using simplied Arrhenius equation based on rate constant at 20 degrees Celsius and theta parameter.
* @param {number} k - Rate constant at 20 degrees Celcius.
* @param {number} theta - Theta parameter.
* @param {number} T - Temperature in Celcius.
* @returns {number} - Adjusted rate parameter at temperature T based on the Arrhenius equation.
*/
_arrhenius(k, theta, T) {
return k * Math.exp(theta*(T-20));
}
/**
* Computes the temperature theta parameter based on two rate constants and their corresponding temperatures.
* @param {number} k1 - Rate constant at temperature T1.
* @param {number} k2 - Rate constant at temperature T2.
* @param {number} T1 - Temperature T1 in Celcius.
* @param {number} T2 - Temperature T2 in Celcius.
* @returns {number} - Theta parameter.
*/
_compute_theta(k1, k2, T1, T2) {
return Math.log(k1/k2)/(T1-T2);
}
/**
* Computes the reaction rates for each process reaction based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Reaction rates for each process reaction.
*/
compute_rates(state, T = 20) {
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
const rates = Array(12);
const [S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS] = state;
const { k_H, K_X, k_STO, nu_NO, K_O, K_NO, K_S, K_STO, mu_H_max, K_NH, K_HCO, b_H_O, b_H_NO, b_STO_O, b_STO_NO, mu_A_max, K_A_NH, K_A_O, K_A_HCO, b_A_O, b_A_NO } = this.kin_params;
const { theta_H, theta_STO, theta_mu_H, theta_b_H_O, theta_b_H_NO, theta_b_STO_O, theta_b_STO_NO, theta_mu_A, theta_b_A_O, theta_b_A_NO } = this.temp_params;
// Hydrolysis
rates[0] = X_H == 0 ? 0 : this._arrhenius(k_H, theta_H, T) * this._monod(X_S / X_H, K_X) * X_H;
// Heterotrophs
rates[1] = this._arrhenius(k_STO, theta_STO, T) * this._monod(S_O, K_O) * this._monod(S_S, K_S) * X_H;
rates[2] = this._arrhenius(k_STO, theta_STO, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_S, K_S) * X_H;
rates[3] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * this._monod(S_O, K_O) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[4] = X_H == 0 ? 0 : this._arrhenius(mu_H_max, theta_mu_H, T) * nu_NO * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * this._monod(S_NH, K_NH) * this._monod(S_HCO, K_HCO) * this._monod(X_STO/X_H, K_STO) * X_H;
rates[5] = this._arrhenius(b_H_O, theta_b_H_O, T) * this._monod(S_O, K_O) * X_H;
rates[6] = this._arrhenius(b_H_NO, theta_b_H_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_H;
rates[7] = this._arrhenius(b_STO_O, theta_b_STO_O, T) * this._monod(S_O, K_O) * X_H;
rates[8] = this._arrhenius(b_STO_NO, theta_b_STO_NO, T) * this._inv_monod(S_O, K_O) * this._monod(S_NO, K_NO) * X_STO;
// Autotrophs
rates[9] = this._arrhenius(mu_A_max, theta_mu_A, T) * this._monod(S_O, K_A_O) * this._monod(S_NH, K_A_NH) * this._monod(S_HCO, K_A_HCO) * X_A;
rates[10] = this._arrhenius(b_A_O, theta_b_A_O, T) * this._monod(S_O, K_O) * X_A;
rates[11] = this._arrhenius(b_A_NO, theta_b_A_NO, T) * this._inv_monod(S_O, K_A_O) * this._monod(S_NO, K_NO) * X_A;
return rates;
}
/**
* Computes the change in concentrations of reaction species based on the current state and temperature.
* @param {Array} state - State vector containing concentrations of reaction species.
* @param {number} [T=20] - Temperature in degrees Celsius (default is 20).
* @returns {Array} - Change in reaction species concentrations.
*/
compute_dC(state, T = 20) { // compute changes in concentrations
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
return math.multiply(this.stoi_matrix, this.compute_rates(state, T));
}
}
module.exports = ASM3;

View File

@@ -1,459 +1,482 @@
const ASM3 = require('./reaction_modules/asm3_class.js');
const { create, all, isArray } = require('mathjs');
const { assertNoNaN } = require('./utils.js');
const { childRegistrationUtils, logger, MeasurementContainer } = require('generalFunctions');
const EventEmitter = require('events');
const mathConfig = {
matrix: 'Array' // use Array as the matrix type
};
const math = create(all, mathConfig);
const S_O_INDEX = 0;
const NUM_SPECIES = 13;
const DEBUG = false;
class Reactor {
/**
* Reactor base class.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
this.config = config;
// EVOLV stuff
this.logger = new logger(this.config.general.logging.enabled, this.config.general.logging.logLevel, config.general.name);
this.emitter = new EventEmitter();
this.measurements = new MeasurementContainer();
this.upstreamReactor = null;
this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
this.asm = new ASM3();
this.volume = config.volume; // fluid volume reactor [m3]
this.Fs = Array(config.n_inlets).fill(0); // fluid debits per inlet [m3 d-1]
this.Cs_in = Array.from(Array(config.n_inlets), () => new Array(NUM_SPECIES).fill(0)); // composition influents
this.OTR = 0.0; // oxygen transfer rate [g O2 d-1 m-3]
this.temperature = 20; // temperature [C]
this.kla = config.kla; // if NaN, use externaly provided OTR [d-1]
this.currentTime = Date.now(); // milliseconds since epoch [ms]
this.timeStep = 1 / (24*60*60) * this.config.timeStep; // time step in seconds, converted to days.
this.speedUpFactor = config.speedUpFactor ?? 1; // speed up factor for simulation
}
/**
* Setter for influent data.
* @param {object} input - Input object (msg) containing payload with inlet index, flow rate, and concentrations.
*/
set setInfluent(input) {
let index_in = input.payload.inlet;
this.Fs[index_in] = input.payload.F;
this.Cs_in[index_in] = input.payload.C;
}
/**
* Setter for OTR (Oxygen Transfer Rate).
* @param {object} input - Input object (msg) containing payload with OTR value [g O2 d-1 m-3].
*/
set setOTR(input) {
this.OTR = input.payload;
}
/**
* Setter for reactor temperature [C].
* Accepts either a direct numeric payload or { value } object payload.
* @param {object} input - Input object (msg)
*/
set setTemperature(input) {
const payload = input?.payload;
const rawValue = (payload && typeof payload === 'object' && payload.value !== undefined)
? payload.value
: payload;
const parsedValue = Number(rawValue);
if (!Number.isFinite(parsedValue)) {
this.logger.warn(`Invalid temperature input: ${rawValue}`);
return;
}
this.temperature = parsedValue;
}
/**
* Getter for effluent data.
* @returns {object} Effluent data object (msg), defaults to inlet 0.
*/
get getEffluent() { // getter for Effluent, defaults to inlet 0
if (isArray(this.state.at(-1))) {
return { topic: "Fluent", payload: { inlet: 0, F: math.sum(this.Fs), C: this.state.at(-1) }, timestamp: this.currentTime };
}
return { topic: "Fluent", payload: { inlet: 0, F: math.sum(this.Fs), C: this.state }, timestamp: this.currentTime };
}
get getGridProfile() { return null; }
/**
* Calculate the oxygen transfer rate (OTR) based on the dissolved oxygen concentration and temperature.
* @param {number} S_O - Dissolved oxygen concentration [g O2 m-3].
* @param {number} T - Temperature in Celsius, default to 20 C.
* @returns {number} - Calculated OTR [g O2 d-1 m-3].
*/
const ASM3 = require('./reaction_modules/asm3_class.js');
const { create, all, isArray } = require('mathjs');
const { assertNoNaN } = require('./utils.js');
const { childRegistrationUtils, logger, MeasurementContainer } = require('generalFunctions');
const EventEmitter = require('events');
const mathConfig = {
matrix: 'Array' // use Array as the matrix type
};
const math = create(all, mathConfig);
const S_O_INDEX = 0;
const NUM_SPECIES = 13;
const DEBUG = false;
class Reactor {
/**
* Reactor base class.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
this.config = config;
// EVOLV stuff
this.logger = new logger(this.config.general.logging.enabled, this.config.general.logging.logLevel, config.general.name);
this.emitter = new EventEmitter();
this.measurements = new MeasurementContainer();
this.upstreamReactor = null;
this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
this.asm = new ASM3();
this.volume = config.volume; // fluid volume reactor [m3]
this.Fs = Array(config.n_inlets).fill(0); // fluid debits per inlet [m3 d-1]
this.Cs_in = Array.from(Array(config.n_inlets), () => new Array(NUM_SPECIES).fill(0)); // composition influents
this.OTR = 0.0; // oxygen transfer rate [g O2 d-1 m-3]
this.temperature = 20; // temperature [C]
this.kla = config.kla; // if NaN, use externaly provided OTR [d-1]
this.currentTime = Date.now(); // milliseconds since epoch [ms]
this.timeStep = 1 / (24*60*60) * this.config.timeStep; // time step in seconds, converted to days.
this.speedUpFactor = config.speedUpFactor ?? 1; // speed up factor for simulation
}
/**
* Setter for influent data.
* @param {object} input - Input object (msg) containing payload with inlet index, flow rate, and concentrations.
*/
set setInfluent(input) {
let index_in = input.payload.inlet;
this.Fs[index_in] = input.payload.F;
this.Cs_in[index_in] = input.payload.C;
}
/**
* Setter for OTR (Oxygen Transfer Rate).
* @param {object} input - Input object (msg) containing payload with OTR value [g O2 d-1 m-3].
*/
set setOTR(input) {
this.OTR = input.payload;
}
/**
* Setter for reactor temperature [C].
* Accepts either a direct numeric payload or { value } object payload.
* @param {object} input - Input object (msg)
*/
set setTemperature(input) {
const payload = input?.payload;
const rawValue = (payload && typeof payload === 'object' && payload.value !== undefined)
? payload.value
: payload;
const parsedValue = Number(rawValue);
if (!Number.isFinite(parsedValue)) {
this.logger.warn(`Invalid temperature input: ${rawValue}`);
return;
}
this.temperature = parsedValue;
}
/**
* Getter for effluent data.
* @returns {object} Effluent data object (msg), defaults to inlet 0.
*/
get getEffluent() { // getter for Effluent, defaults to inlet 0
if (isArray(this.state.at(-1))) {
return { topic: "Fluent", payload: { inlet: 0, F: math.sum(this.Fs), C: this.state.at(-1) }, timestamp: this.currentTime };
}
return { topic: "Fluent", payload: { inlet: 0, F: math.sum(this.Fs), C: this.state }, timestamp: this.currentTime };
}
get getGridProfile() { return null; }
/**
* Calculate the oxygen transfer rate (OTR) based on the dissolved oxygen concentration and temperature.
* @param {number} S_O - Dissolved oxygen concentration [g O2 m-3].
* @param {number} T - Temperature in Celsius, default to 20 C.
* @returns {number} - Calculated OTR [g O2 d-1 m-3].
*/
_calcOTR(S_O, T = 20.0) { // caculate the OTR using basic correlation, default to temperature: 20 C
let S_O_sat = 14.652 - 4.1022e-1 * T + 7.9910e-3 * T*T + 7.7774e-5 * T*T*T;
return this.kla * (S_O_sat - S_O);
}
/**
* Clip values in an array to zero.
* @param {Array} arr - Array of values to clip.
* @returns {Array} - New array with values clipped to zero.
*/
_arrayClip2Zero(arr) {
if (Array.isArray(arr)) {
return arr.map(x => this._arrayClip2Zero(x));
} else {
return arr < 0 ? 0 : arr;
}
_calcOxygenSaturation(T = 20.0) {
return 14.652 - 4.1022e-1 * T + 7.9910e-3 * T*T + 7.7774e-5 * T*T*T;
}
registerChild(child, softwareType) {
switch (softwareType) {
case "measurement":
this.logger.debug(`Registering measurement child.`);
this._connectMeasurement(child);
break;
case "reactor":
this.logger.debug(`Registering reactor child.`);
this._connectReactor(child);
break;
default:
this.logger.error(`Unrecognized softwareType: ${softwareType}`);
}
}
_connectMeasurement(measurement) {
if (!measurement) {
this.logger.warn("Invalid measurement provided.");
return;
}
let position;
if (measurement.config.functionality.distance !== 'undefined') {
position = measurement.config.functionality.distance;
} else {
position = measurement.config.functionality.positionVsParent;
}
const measurementType = measurement.config.asset.type;
const key = `${measurementType}_${position}`;
const eventName = `${measurementType}.measured.${position}`;
// Register event listener for measurement updates
measurement.measurements.emitter.on(eventName, (eventData) => {
this.logger.debug(`${position} ${measurementType} from ${eventData.childName}: ${eventData.value} ${eventData.unit}`);
// Store directly in parent's measurement container
this.measurements
.type(measurementType)
.variant("measured")
.position(position)
.value(eventData.value, eventData.timestamp, eventData.unit);
this._updateMeasurement(measurementType, eventData.value, position, eventData);
});
}
_connectReactor(reactor) {
if (!reactor) {
this.logger.warn("Invalid reactor provided.");
return;
}
this.upstreamReactor = reactor;
reactor.emitter.on("stateChange", (data) => {
this.logger.debug(`State change of upstream reactor detected.`);
this.updateState(data);
});
}
_updateMeasurement(measurementType, value, position, context) {
this.logger.debug(`---------------------- updating ${measurementType} ------------------ `);
switch (measurementType) {
case "temperature":
if (position == "atEquipment") {
this.temperature = value;
}
break;
default:
this.logger.error(`Type '${measurementType}' not recognized for measured update.`);
return;
}
}
/**
* Update the reactor state based on the new time.
* @param {number} newTime - New time to update reactor state to, in milliseconds since epoch.
*/
updateState(newTime = Date.now()) { // expect update with timestamp
const day2ms = 1000 * 60 * 60 * 24;
if (this.upstreamReactor) {
this.setInfluent = this.upstreamReactor.getEffluent;
}
let n_iter = Math.floor(this.speedUpFactor * (newTime-this.currentTime) / (this.timeStep*day2ms));
if (n_iter) {
let n = 0;
while (n < n_iter) {
this.tick(this.timeStep);
n += 1;
_capDissolvedOxygen(state) {
const saturation = this._calcOxygenSaturation(this.temperature);
const capRow = (row) => {
if (!Array.isArray(row)) {
return row;
}
this.currentTime += n_iter * this.timeStep * day2ms / this.speedUpFactor;
this.emitter.emit("stateChange", this.currentTime);
}
}
}
class Reactor_CSTR extends Reactor {
/**
* Reactor_CSTR class for Continuous Stirred Tank Reactor.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
super(config);
this.state = config.initialState;
}
/**
* Tick the reactor state using the forward Euler method.
* @param {number} time_step - Time step for the simulation [d].
* @returns {Array} - New reactor state.
*/
tick(time_step) { // tick reactor state using forward Euler method
const inflow = math.multiply(math.divide([this.Fs], this.volume), this.Cs_in)[0];
const outflow = math.multiply(-1 * math.sum(this.Fs) / this.volume, this.state);
const reaction = this.asm.compute_dC(this.state, this.temperature);
const transfer = Array(NUM_SPECIES).fill(0.0);
transfer[S_O_INDEX] = isNaN(this.kla) ? this.OTR : this._calcOTR(this.state[S_O_INDEX], this.temperature); // calculate OTR if kla is not NaN, otherwise use externaly calculated OTR
const dC_total = math.multiply(math.add(inflow, outflow, reaction, transfer), time_step)
this.state = this._arrayClip2Zero(math.add(this.state, dC_total)); // clip value element-wise to avoid negative concentrations
if(DEBUG){
assertNoNaN(dC_total, "change in state");
assertNoNaN(this.state, "new state");
}
return this.state;
}
}
class Reactor_PFR extends Reactor {
/**
* Reactor_PFR class for Plug Flow Reactor.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
super(config);
this.length = config.length; // reactor length [m]
this.n_x = config.resolution_L; // number of slices
this.d_x = this.length / this.n_x;
this.A = this.volume / this.length; // crosssectional area [m2]
this.alpha = config.alpha;
this.state = Array.from(Array(this.n_x), () => config.initialState.slice())
this.D = 0.0; // axial dispersion [m2 d-1]
this.D_op = this._makeDoperator(true, true);
assertNoNaN(this.D_op, "Derivative operator");
this.D2_op = this._makeD2operator();
assertNoNaN(this.D2_op, "Second derivative operator");
}
get getGridProfile() {
return {
grid: this.state.map(row => row.slice()),
n_x: this.n_x,
d_x: this.d_x,
length: this.length,
species: ['S_O','S_I','S_S','S_NH','S_N2','S_NO','S_HCO',
'X_I','X_S','X_H','X_STO','X_A','X_TS'],
timestamp: this.currentTime
const next = row.slice();
if (Number.isFinite(next[S_O_INDEX])) {
next[S_O_INDEX] = Math.max(0, Math.min(next[S_O_INDEX], saturation));
}
return next;
};
}
/**
* Setter for axial dispersion.
* @param {object} input - Input object (msg) containing payload with dispersion value [m2 d-1].
*/
set setDispersion(input) {
this.D = input.payload;
}
updateState(newTime) {
super.updateState(newTime);
let Pe_local = this.d_x*math.sum(this.Fs)/(this.D*this.A)
let Co_D = this.D*this.timeStep/(this.d_x*this.d_x);
(Pe_local >= 2) && this.logger.warn(`Local Péclet number (${Pe_local}) is too high! Increase reactor resolution.`);
(Co_D >= 0.5) && this.logger.warn(`Courant number (${Co_D}) is too high! Reduce time step size.`);
if(DEBUG) {
console.log("Inlet state max " + math.max(this.state[0]))
console.log("Pe total " + this.length*math.sum(this.Fs)/(this.D*this.A));
console.log("Pe local " + Pe_local);
console.log("Co ad " + math.sum(this.Fs)*this.timeStep/(this.A*this.d_x));
console.log("Co D " + Co_D);
if (Array.isArray(state) && Array.isArray(state[0])) {
return state.map(capRow);
}
return capRow(state);
}
/**
* Tick the reactor state using explicit finite difference method.
* @param {number} time_step - Time step for the simulation [d].
* @returns {Array} - New reactor state.
*/
tick(time_step) {
const dispersion = math.multiply(this.D / (this.d_x*this.d_x), this.D2_op, this.state);
const advection = math.multiply(-1 * math.sum(this.Fs) / (this.A*this.d_x), this.D_op, this.state);
const reaction = this.state.map((state_slice) => this.asm.compute_dC(state_slice, this.temperature));
const transfer = Array.from(Array(this.n_x), () => new Array(NUM_SPECIES).fill(0));
if (isNaN(this.kla)) { // calculate OTR if kla is not NaN, otherwise use externally calculated OTR
for (let i = 1; i < this.n_x - 1; i++) {
transfer[i][S_O_INDEX] = this.OTR * this.n_x/(this.n_x-2);
}
} else {
for (let i = 1; i < this.n_x - 1; i++) {
transfer[i][S_O_INDEX] = this._calcOTR(this.state[i][S_O_INDEX], this.temperature) * this.n_x/(this.n_x-2);
}
}
const dC_total = math.multiply(math.add(dispersion, advection, reaction, transfer), time_step);
const stateNew = math.add(this.state, dC_total);
this._applyBoundaryConditions(stateNew);
if (DEBUG) {
assertNoNaN(dispersion, "dispersion");
assertNoNaN(advection, "advection");
assertNoNaN(reaction, "reaction");
assertNoNaN(dC_total, "change in state");
assertNoNaN(stateNew, "new state post BC");
}
this.state = this._arrayClip2Zero(stateNew);
/**
* Clip values in an array to zero.
* @param {Array} arr - Array of values to clip.
* @returns {Array} - New array with values clipped to zero.
*/
_arrayClip2Zero(arr) {
if (Array.isArray(arr)) {
return arr.map(x => this._arrayClip2Zero(x));
} else {
return arr < 0 ? 0 : arr;
}
}
registerChild(child, softwareType) {
switch (softwareType) {
case "measurement":
this.logger.debug(`Registering measurement child.`);
this._connectMeasurement(child);
break;
case "reactor":
this.logger.debug(`Registering reactor child.`);
this._connectReactor(child);
break;
default:
this.logger.error(`Unrecognized softwareType: ${softwareType}`);
}
}
_connectMeasurement(measurement) {
if (!measurement) {
this.logger.warn("Invalid measurement provided.");
return;
}
let position;
if (measurement.config.functionality.distance !== 'undefined') {
position = measurement.config.functionality.distance;
} else {
position = measurement.config.functionality.positionVsParent;
}
const measurementType = measurement.config.asset.type;
const key = `${measurementType}_${position}`;
const eventName = `${measurementType}.measured.${position}`;
// Register event listener for measurement updates
measurement.measurements.emitter.on(eventName, (eventData) => {
this.logger.debug(`${position} ${measurementType} from ${eventData.childName}: ${eventData.value} ${eventData.unit}`);
// Store directly in parent's measurement container
this.measurements
.type(measurementType)
.variant("measured")
.position(position)
.value(eventData.value, eventData.timestamp, eventData.unit);
this._updateMeasurement(measurementType, eventData.value, position, eventData);
});
}
_connectReactor(reactor) {
if (!reactor) {
this.logger.warn("Invalid reactor provided.");
return;
}
this.upstreamReactor = reactor;
reactor.emitter.on("stateChange", (data) => {
this.logger.debug(`State change of upstream reactor detected.`);
this.updateState(data);
});
}
_updateMeasurement(measurementType, value, position, context) {
this.logger.debug(`---------------------- updating ${measurementType} ------------------ `);
switch (measurementType) {
case "temperature":
if (position == "atEquipment") {
this.temperature = value;
}
break;
default:
this.logger.error(`Type '${measurementType}' not recognized for measured update.`);
return;
}
}
/**
* Update the reactor state based on the new time.
* @param {number} newTime - New time to update reactor state to, in milliseconds since epoch.
*/
updateState(newTime = Date.now()) { // expect update with timestamp
const day2ms = 1000 * 60 * 60 * 24;
if (this.upstreamReactor) {
this.setInfluent = this.upstreamReactor.getEffluent;
}
let n_iter = Math.floor(this.speedUpFactor * (newTime-this.currentTime) / (this.timeStep*day2ms));
if (n_iter) {
let n = 0;
while (n < n_iter) {
this.tick(this.timeStep);
n += 1;
}
this.currentTime += n_iter * this.timeStep * day2ms / this.speedUpFactor;
this.emitter.emit("stateChange", this.currentTime);
}
}
}
class Reactor_CSTR extends Reactor {
/**
* Reactor_CSTR class for Continuous Stirred Tank Reactor.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
super(config);
this.state = config.initialState;
}
/**
* Tick the reactor state using the forward Euler method.
* @param {number} time_step - Time step for the simulation [d].
* @returns {Array} - New reactor state.
*/
tick(time_step) { // tick reactor state using forward Euler method
const inflow = math.multiply(math.divide([this.Fs], this.volume), this.Cs_in)[0];
const outflow = math.multiply(-1 * math.sum(this.Fs) / this.volume, this.state);
const reaction = this.asm.compute_dC(this.state, this.temperature);
const transfer = Array(NUM_SPECIES).fill(0.0);
transfer[S_O_INDEX] = isNaN(this.kla) ? this.OTR : this._calcOTR(this.state[S_O_INDEX], this.temperature); // calculate OTR if kla is not NaN, otherwise use externaly calculated OTR
const dC_total = math.multiply(math.add(inflow, outflow, reaction, transfer), time_step)
this.state = this._capDissolvedOxygen(this._arrayClip2Zero(math.add(this.state, dC_total))); // clip concentrations and enforce physical DO saturation
if(DEBUG){
assertNoNaN(dC_total, "change in state");
assertNoNaN(this.state, "new state");
}
return this.state;
}
}
class Reactor_PFR extends Reactor {
/**
* Reactor_PFR class for Plug Flow Reactor.
* @param {object} config - Configuration object containing reactor parameters.
*/
constructor(config) {
super(config);
this.length = config.length; // reactor length [m]
this.n_x = config.resolution_L; // number of slices
this.d_x = this.length / this.n_x;
this.A = this.volume / this.length; // crosssectional area [m2]
this.alpha = config.alpha;
this.state = Array.from(Array(this.n_x), () => config.initialState.slice())
this.D = 0.0; // axial dispersion [m2 d-1]
this.D_op = this._makeDoperator(true, true);
assertNoNaN(this.D_op, "Derivative operator");
this.D2_op = this._makeD2operator();
assertNoNaN(this.D2_op, "Second derivative operator");
}
get getGridProfile() {
return {
grid: this.state.map(row => row.slice()),
n_x: this.n_x,
d_x: this.d_x,
length: this.length,
species: ['S_O','S_I','S_S','S_NH','S_N2','S_NO','S_HCO',
'X_I','X_S','X_H','X_STO','X_A','X_TS'],
timestamp: this.currentTime
};
}
/**
* Setter for axial dispersion.
* @param {object} input - Input object (msg) containing payload with dispersion value [m2 d-1].
*/
set setDispersion(input) {
this.D = input.payload;
}
updateState(newTime) {
super.updateState(newTime);
let Pe_local = this.d_x*math.sum(this.Fs)/(this.D*this.A)
let Co_D = this.D*this.timeStep/(this.d_x*this.d_x);
(Pe_local >= 2) && this.logger.warn(`Local Péclet number (${Pe_local}) is too high! Increase reactor resolution.`);
(Co_D >= 0.5) && this.logger.warn(`Courant number (${Co_D}) is too high! Reduce time step size.`);
if(DEBUG) {
console.log("Inlet state max " + math.max(this.state[0]))
console.log("Pe total " + this.length*math.sum(this.Fs)/(this.D*this.A));
console.log("Pe local " + Pe_local);
console.log("Co ad " + math.sum(this.Fs)*this.timeStep/(this.A*this.d_x));
console.log("Co D " + Co_D);
}
}
/**
* Tick the reactor state using explicit finite difference method.
* @param {number} time_step - Time step for the simulation [d].
* @returns {Array} - New reactor state.
*/
tick(time_step) {
const dispersion = math.multiply(this.D / (this.d_x*this.d_x), this.D2_op, this.state);
const advection = math.multiply(-1 * math.sum(this.Fs) / (this.A*this.d_x), this.D_op, this.state);
const reaction = this.state.map((state_slice) => this.asm.compute_dC(state_slice, this.temperature));
const transfer = Array.from(Array(this.n_x), () => new Array(NUM_SPECIES).fill(0));
if (isNaN(this.kla)) { // calculate OTR if kla is not NaN, otherwise use externally calculated OTR
for (let i = 1; i < this.n_x - 1; i++) {
transfer[i][S_O_INDEX] = this.OTR * this.n_x/(this.n_x-2);
}
} else {
for (let i = 1; i < this.n_x - 1; i++) {
transfer[i][S_O_INDEX] = this._calcOTR(this.state[i][S_O_INDEX], this.temperature) * this.n_x/(this.n_x-2);
}
}
const dC_total = math.multiply(math.add(dispersion, advection, reaction, transfer), time_step);
const stateNew = math.add(this.state, dC_total);
this._applyBoundaryConditions(stateNew);
if (DEBUG) {
assertNoNaN(dispersion, "dispersion");
assertNoNaN(advection, "advection");
assertNoNaN(reaction, "reaction");
assertNoNaN(dC_total, "change in state");
assertNoNaN(stateNew, "new state post BC");
}
this.state = this._capDissolvedOxygen(this._arrayClip2Zero(stateNew));
return stateNew;
}
_updateMeasurement(measurementType, value, position, context) {
switch(measurementType) {
case "quantity (oxygen)":
if (!Number.isFinite(position) || !Number.isFinite(value) || this.config.length <= 0) {
this.logger.warn(`Ignoring oxygen measurement update with invalid data (position=${position}, value=${value}).`);
break;
}
{
// Clamp sensor-derived position to valid PFR grid bounds.
const rawIndex = Math.round(position / this.config.length * this.n_x);
const grid_pos = Math.max(0, Math.min(this.n_x - 1, rawIndex));
this.state[grid_pos][S_O_INDEX] = value; // reconcile measured oxygen concentration into nearest grid cell
}
break;
default:
super._updateMeasurement(measurementType, value, position, context);
}
}
/**
* Apply boundary conditions to the reactor state.
* for inlet, apply generalised Danckwerts BC, if there is not flow, apply Neumann BC with no flux
* for outlet, apply regular Danckwerts BC (Neumann BC with no flux)
* @param {Array} state - Current reactor state without enforced BCs.
*/
_applyBoundaryConditions(state) {
if (math.sum(this.Fs) > 0) { // Danckwerts BC
const BC_C_in = math.multiply(1 / math.sum(this.Fs), [this.Fs], this.Cs_in)[0];
const BC_dispersion_term = (1-this.alpha)*this.D*this.A/(math.sum(this.Fs)*this.d_x);
state[0] = math.multiply(1/(1+BC_dispersion_term), math.add(BC_C_in, math.multiply(BC_dispersion_term, state[1])));
} else {
state[0] = state[1];
}
// Neumann BC (no flux)
state[this.n_x-1] = state[this.n_x-2];
}
/**
* Create finite difference first derivative operator.
* @param {boolean} central - Use central difference scheme if true, otherwise use upwind scheme.
* @param {boolean} higher_order - Use higher order scheme if true, otherwise use first order scheme.
* @returns {Array} - First derivative operator matrix.
*/
_makeDoperator(central = false, higher_order = false) { // create gradient operator
if (higher_order) {
if (central) {
const I = math.resize(math.diag(Array(this.n_x).fill(1/12), -2), [this.n_x, this.n_x]);
const A = math.resize(math.diag(Array(this.n_x).fill(-2/3), -1), [this.n_x, this.n_x]);
const B = math.resize(math.diag(Array(this.n_x).fill(2/3), 1), [this.n_x, this.n_x]);
const C = math.resize(math.diag(Array(this.n_x).fill(-1/12), 2), [this.n_x, this.n_x]);
const D = math.add(I, A, B, C);
const NearBoundary = Array(this.n_x).fill(0.0);
NearBoundary[0] = -1/4;
NearBoundary[1] = -5/6;
NearBoundary[2] = 3/2;
NearBoundary[3] = -1/2;
NearBoundary[4] = 1/12;
D[1] = NearBoundary;
NearBoundary.reverse();
D[this.n_x-2] = math.multiply(-1, NearBoundary);
D[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D[this.n_x-1] = Array(this.n_x).fill(0);
return D;
} else {
throw new Error("Upwind higher order method not implemented! Use central scheme instead.");
}
} else {
const I = math.resize(math.diag(Array(this.n_x).fill(1 / (1+central)), central), [this.n_x, this.n_x]);
const A = math.resize(math.diag(Array(this.n_x).fill(-1 / (1+central)), -1), [this.n_x, this.n_x]);
const D = math.add(I, A);
D[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D[this.n_x-1] = Array(this.n_x).fill(0);
return D;
}
}
/**
* Create central finite difference second derivative operator.
* @returns {Array} - Second derivative operator matrix.
*/
_makeD2operator() { // create the central second derivative operator
const I = math.diag(Array(this.n_x).fill(-2), 0);
const A = math.resize(math.diag(Array(this.n_x).fill(1), 1), [this.n_x, this.n_x]);
const B = math.resize(math.diag(Array(this.n_x).fill(1), -1), [this.n_x, this.n_x]);
const D2 = math.add(I, A, B);
D2[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D2[this.n_x - 1] = Array(this.n_x).fill(0);
return D2;
}
}
module.exports = { Reactor_CSTR, Reactor_PFR };
// DEBUG
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
// let initial_state = [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1];
// const Reactor = new Reactor_PFR(200, 10, 10, 1, 100, initial_state);
// Reactor.Cs_in[0] = [0.0, 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.];
// Reactor.Fs[0] = 10;
// Reactor.D = 0.01;
// let N = 0;
// while (N < 5000) {
// console.log(Reactor.tick(0.001));
// N += 1;
// }
_updateMeasurement(measurementType, value, position, context) {
switch(measurementType) {
case "quantity (oxygen)":
if (!Number.isFinite(position) || !Number.isFinite(value) || this.config.length <= 0) {
this.logger.warn(`Ignoring oxygen measurement update with invalid data (position=${position}, value=${value}).`);
break;
}
{
// Clamp sensor-derived position to valid PFR grid bounds.
const rawIndex = Math.round(position / this.config.length * this.n_x);
const grid_pos = Math.max(0, Math.min(this.n_x - 1, rawIndex));
this.state[grid_pos][S_O_INDEX] = value; // reconcile measured oxygen concentration into nearest grid cell
}
break;
default:
super._updateMeasurement(measurementType, value, position, context);
}
}
/**
* Apply boundary conditions to the reactor state.
* for inlet, apply generalised Danckwerts BC, if there is not flow, apply Neumann BC with no flux
* for outlet, apply regular Danckwerts BC (Neumann BC with no flux)
* @param {Array} state - Current reactor state without enforced BCs.
*/
_applyBoundaryConditions(state) {
if (math.sum(this.Fs) > 0) { // Danckwerts BC
const BC_C_in = math.multiply(1 / math.sum(this.Fs), [this.Fs], this.Cs_in)[0];
const BC_dispersion_term = (1-this.alpha)*this.D*this.A/(math.sum(this.Fs)*this.d_x);
state[0] = math.multiply(1/(1+BC_dispersion_term), math.add(BC_C_in, math.multiply(BC_dispersion_term, state[1])));
} else {
state[0] = state[1];
}
// Neumann BC (no flux)
state[this.n_x-1] = state[this.n_x-2];
}
/**
* Create finite difference first derivative operator.
* @param {boolean} central - Use central difference scheme if true, otherwise use upwind scheme.
* @param {boolean} higher_order - Use higher order scheme if true, otherwise use first order scheme.
* @returns {Array} - First derivative operator matrix.
*/
_makeDoperator(central = false, higher_order = false) { // create gradient operator
if (higher_order) {
if (central) {
const I = math.resize(math.diag(Array(this.n_x).fill(1/12), -2), [this.n_x, this.n_x]);
const A = math.resize(math.diag(Array(this.n_x).fill(-2/3), -1), [this.n_x, this.n_x]);
const B = math.resize(math.diag(Array(this.n_x).fill(2/3), 1), [this.n_x, this.n_x]);
const C = math.resize(math.diag(Array(this.n_x).fill(-1/12), 2), [this.n_x, this.n_x]);
const D = math.add(I, A, B, C);
const NearBoundary = Array(this.n_x).fill(0.0);
NearBoundary[0] = -1/4;
NearBoundary[1] = -5/6;
NearBoundary[2] = 3/2;
NearBoundary[3] = -1/2;
NearBoundary[4] = 1/12;
D[1] = NearBoundary;
NearBoundary.reverse();
D[this.n_x-2] = math.multiply(-1, NearBoundary);
D[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D[this.n_x-1] = Array(this.n_x).fill(0);
return D;
} else {
throw new Error("Upwind higher order method not implemented! Use central scheme instead.");
}
} else {
const I = math.resize(math.diag(Array(this.n_x).fill(1 / (1+central)), central), [this.n_x, this.n_x]);
const A = math.resize(math.diag(Array(this.n_x).fill(-1 / (1+central)), -1), [this.n_x, this.n_x]);
const D = math.add(I, A);
D[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D[this.n_x-1] = Array(this.n_x).fill(0);
return D;
}
}
/**
* Create central finite difference second derivative operator.
* @returns {Array} - Second derivative operator matrix.
*/
_makeD2operator() { // create the central second derivative operator
const I = math.diag(Array(this.n_x).fill(-2), 0);
const A = math.resize(math.diag(Array(this.n_x).fill(1), 1), [this.n_x, this.n_x]);
const B = math.resize(math.diag(Array(this.n_x).fill(1), -1), [this.n_x, this.n_x]);
const D2 = math.add(I, A, B);
D2[0] = Array(this.n_x).fill(0); // set by BCs elsewhere
D2[this.n_x - 1] = Array(this.n_x).fill(0);
return D2;
}
}
module.exports = { Reactor_CSTR, Reactor_PFR };
// DEBUG
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
// let initial_state = [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1];
// const Reactor = new Reactor_PFR(200, 10, 10, 1, 100, initial_state);
// Reactor.Cs_in[0] = [0.0, 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.];
// Reactor.Fs[0] = 10;
// Reactor.D = 0.01;
// let N = 0;
// while (N < 5000) {
// console.log(Reactor.tick(0.001));
// N += 1;
// }

View File

@@ -1,18 +1,18 @@
/**
* Assert that no NaN values are present in an array.
* @param {Array} arr
* @param {string} label
*/
function assertNoNaN(arr, label = "array") {
if (Array.isArray(arr)) {
for (const el of arr) {
assertNoNaN(el, label);
}
} else {
if (Number.isNaN(arr)) {
throw new Error(`NaN detected in ${label}!`);
}
}
}
/**
* Assert that no NaN values are present in an array.
* @param {Array} arr
* @param {string} label
*/
function assertNoNaN(arr, label = "array") {
if (Array.isArray(arr)) {
for (const el of arr) {
assertNoNaN(el, label);
}
} else {
if (Number.isNaN(arr)) {
throw new Error(`NaN detected in ${label}!`);
}
}
}
module.exports = { assertNoNaN };

View File

@@ -1,45 +1,45 @@
const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR, Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
test('CSTR getGridProfile returns null', () => {
const reactor = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR' }));
assert.equal(reactor.getGridProfile, null);
});
test('PFR getGridProfile returns state matrix with correct dimensions', () => {
const n_x = 8;
const length = 40;
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', resolution_L: n_x, length }),
);
const profile = reactor.getGridProfile;
assert.notEqual(profile, null);
assert.equal(profile.n_x, n_x);
assert.equal(profile.d_x, length / n_x);
assert.equal(profile.length, length);
assert.equal(profile.grid.length, n_x, 'grid should have n_x rows');
assert.equal(profile.grid[0].length, 13, 'each row should have 13 species');
assert.ok(Array.isArray(profile.species), 'species list should be an array');
assert.equal(profile.species.length, 13);
assert.equal(profile.species[3], 'S_NH');
assert.equal(typeof profile.timestamp, 'number');
});
test('PFR getGridProfile is mutation-safe', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', resolution_L: 5, length: 10 }),
);
const profile = reactor.getGridProfile;
const originalValue = reactor.state[0][3]; // S_NH at cell 0
// Mutate the returned grid
profile.grid[0][3] = 999;
// Reactor internal state should be unchanged
assert.equal(reactor.state[0][3], originalValue, 'mutating grid copy must not affect reactor state');
});
const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR, Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
test('CSTR getGridProfile returns null', () => {
const reactor = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR' }));
assert.equal(reactor.getGridProfile, null);
});
test('PFR getGridProfile returns state matrix with correct dimensions', () => {
const n_x = 8;
const length = 40;
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', resolution_L: n_x, length }),
);
const profile = reactor.getGridProfile;
assert.notEqual(profile, null);
assert.equal(profile.n_x, n_x);
assert.equal(profile.d_x, length / n_x);
assert.equal(profile.length, length);
assert.equal(profile.grid.length, n_x, 'grid should have n_x rows');
assert.equal(profile.grid[0].length, 13, 'each row should have 13 species');
assert.ok(Array.isArray(profile.species), 'species list should be an array');
assert.equal(profile.species.length, 13);
assert.equal(profile.species[3], 'S_NH');
assert.equal(typeof profile.timestamp, 'number');
});
test('PFR getGridProfile is mutation-safe', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', resolution_L: 5, length: 10 }),
);
const profile = reactor.getGridProfile;
const originalValue = reactor.state[0][3]; // S_NH at cell 0
// Mutate the returned grid
profile.grid[0][3] = 999;
// Reactor internal state should be unchanged
assert.equal(reactor.state[0][3], originalValue, 'mutating grid copy must not affect reactor state');
});

View File

@@ -1,68 +1,68 @@
const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR } = require('../../src/specificClass');
const nodeClass = require('../../src/nodeClass');
const { makeReactorConfig, makeUiConfig, makeNodeStub, makeREDStub } = require('../helpers/factories');
/**
* Smoke tests for Fix 3: configurable speedUpFactor on Reactor.
*/
test('specificClass defaults speedUpFactor to 1 when not in config', () => {
const config = makeReactorConfig();
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 1, 'speedUpFactor should default to 1');
});
test('specificClass accepts speedUpFactor from config', () => {
const config = makeReactorConfig();
config.speedUpFactor = 10;
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 10, 'speedUpFactor should be read from config');
});
test('specificClass accepts speedUpFactor = 60 for accelerated simulation', () => {
const config = makeReactorConfig();
config.speedUpFactor = 60;
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 60, 'speedUpFactor=60 should be accepted');
});
test('nodeClass passes speedUpFactor from uiConfig to reactor config', () => {
const uiConfig = makeUiConfig({ speedUpFactor: 5 });
const node = makeNodeStub();
const RED = makeREDStub();
const nc = new nodeClass(uiConfig, RED, node, 'test-reactor');
assert.equal(nc.source.speedUpFactor, 5, 'nodeClass should pass speedUpFactor=5 to specificClass');
});
test('nodeClass defaults speedUpFactor to 1 when not in uiConfig', () => {
const uiConfig = makeUiConfig();
// Ensure speedUpFactor is not set
delete uiConfig.speedUpFactor;
const node = makeNodeStub();
const RED = makeREDStub();
const nc = new nodeClass(uiConfig, RED, node, 'test-reactor');
assert.equal(nc.source.speedUpFactor, 1, 'nodeClass should default speedUpFactor to 1');
});
test('updateState with speedUpFactor=1 advances roughly real-time', () => {
const config = makeReactorConfig();
config.speedUpFactor = 1;
config.n_inlets = 1;
const reactor = new Reactor_CSTR(config);
// Set a known start time
const t0 = reactor.currentTime;
// Advance by 2 seconds real time
reactor.updateState(t0 + 2000);
// With speedUpFactor=1, simulation should have advanced ~2 seconds worth
// (not 120 seconds like with the old hardcoded 60x factor)
const elapsed = reactor.currentTime - t0;
assert.ok(elapsed < 5000, `Elapsed ${elapsed}ms should be close to 2000ms, not 120000ms (old 60x factor)`);
});
const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR } = require('../../src/specificClass');
const nodeClass = require('../../src/nodeClass');
const { makeReactorConfig, makeUiConfig, makeNodeStub, makeREDStub } = require('../helpers/factories');
/**
* Smoke tests for Fix 3: configurable speedUpFactor on Reactor.
*/
test('specificClass defaults speedUpFactor to 1 when not in config', () => {
const config = makeReactorConfig();
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 1, 'speedUpFactor should default to 1');
});
test('specificClass accepts speedUpFactor from config', () => {
const config = makeReactorConfig();
config.speedUpFactor = 10;
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 10, 'speedUpFactor should be read from config');
});
test('specificClass accepts speedUpFactor = 60 for accelerated simulation', () => {
const config = makeReactorConfig();
config.speedUpFactor = 60;
const reactor = new Reactor_CSTR(config);
assert.equal(reactor.speedUpFactor, 60, 'speedUpFactor=60 should be accepted');
});
test('nodeClass passes speedUpFactor from uiConfig to reactor config', () => {
const uiConfig = makeUiConfig({ speedUpFactor: 5 });
const node = makeNodeStub();
const RED = makeREDStub();
const nc = new nodeClass(uiConfig, RED, node, 'test-reactor');
assert.equal(nc.source.speedUpFactor, 5, 'nodeClass should pass speedUpFactor=5 to specificClass');
});
test('nodeClass defaults speedUpFactor to 1 when not in uiConfig', () => {
const uiConfig = makeUiConfig();
// Ensure speedUpFactor is not set
delete uiConfig.speedUpFactor;
const node = makeNodeStub();
const RED = makeREDStub();
const nc = new nodeClass(uiConfig, RED, node, 'test-reactor');
assert.equal(nc.source.speedUpFactor, 1, 'nodeClass should default speedUpFactor to 1');
});
test('updateState with speedUpFactor=1 advances roughly real-time', () => {
const config = makeReactorConfig();
config.speedUpFactor = 1;
config.n_inlets = 1;
const reactor = new Reactor_CSTR(config);
// Set a known start time
const t0 = reactor.currentTime;
// Advance by 2 seconds real time
reactor.updateState(t0 + 2000);
// With speedUpFactor=1, simulation should have advanced ~2 seconds worth
// (not 120 seconds like with the old hardcoded 60x factor)
const elapsed = reactor.currentTime - t0;
assert.ok(elapsed < 5000, `Elapsed ${elapsed}ms should be close to 2000ms, not 120000ms (old 60x factor)`);
});

View File

@@ -35,7 +35,10 @@ test('CSTR uses kla-based oxygen transfer when kla is finite', () => {
reactor.OTR = 1;
reactor.state = Array(NUM_SPECIES).fill(0);
const expected = reactor._calcOTR(0, reactor.temperature);
const expected = Math.min(
reactor._calcOTR(0, reactor.temperature),
reactor._calcOxygenSaturation(reactor.temperature),
);
reactor.tick(1);
assert.ok(Math.abs(reactor.state[0] - expected) < 1e-9);
@@ -75,7 +78,10 @@ test('PFR uses kla-based transfer branch when kla is finite', () => {
reactor.OTR = 0;
reactor.state = Array.from({ length: reactor.n_x }, () => Array(NUM_SPECIES).fill(0));
const expected = reactor._calcOTR(0, reactor.temperature) * (reactor.n_x / (reactor.n_x - 2));
const expected = Math.min(
reactor._calcOTR(0, reactor.temperature) * (reactor.n_x / (reactor.n_x - 2)),
reactor._calcOxygenSaturation(reactor.temperature),
);
reactor.tick(1);
assert.ok(Math.abs(reactor.state[1][0] - expected) < 1e-9);

View File

@@ -9,6 +9,7 @@ test('_tick emits source effluent on process output', () => {
const node = makeNodeStub();
inst.node = node;
inst._output = { formatMsg() { return null; } };
inst.source = {
get getEffluent() {
return { topic: 'Fluent', payload: { inlet: 0, F: 1, C: [] }, timestamp: 1 };
@@ -23,6 +24,50 @@ test('_tick emits source effluent on process output', () => {
assert.equal(node._sent[0][2], null);
});
test('_tick emits reactor telemetry on influx output', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
let captured = null;
inst.node = node;
inst.config = { functionality: { softwareType: 'reactor' }, general: { id: 'reactor-node-1' } };
inst._output = {
formatMsg(output, config, format) {
captured = { output, config, format };
return { topic: 'reactor_reactor-node-1', payload: { measurement: 'reactor_reactor-node-1', fields: output } };
}
};
inst.source = {
temperature: 19.5,
get getGridProfile() {
return null;
},
get getEffluent() {
return {
topic: 'Fluent',
payload: {
inlet: 0,
F: 42,
C: [2.1, 30, 100, 16, 0, 1, 8, 25, 75, 1500, 0, 15, 2500]
},
timestamp: 1
};
},
};
inst._tick();
assert.equal(node._sent.length, 1);
assert.equal(node._sent[0][0].topic, 'Fluent');
assert.equal(node._sent[0][1].topic, 'reactor_reactor-node-1');
assert.equal(captured.format, 'influxdb');
assert.equal(captured.output.flow_total, 42);
assert.equal(captured.output.temperature, 19.5);
assert.equal(captured.output.S_O, 2.1);
assert.equal(captured.output.S_NH, 16);
assert.equal(captured.output.X_TS, 2500);
});
test('_startTickLoop schedules periodic tick after startup delay', () => {
const inst = Object.create(NodeClass.prototype);
const delays = [];