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Author SHA1 Message Date
znetsixe
c5fc5c1b59 docs: add CLAUDE.md with S88 classification and superproject rule reference 
References the flow-layout rule set in the EVOLV superproject
(.claude/rules/node-red-flow-layout.md) so Claude Code sessions working
in this repo know the S88 level, colour, and placement lane for this node.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-14 07:47:25 +02:00
znetsixe
556dc39049 Merge remote-tracking branch 'origin/main' into dev-Rene 
# Conflicts:
#	additional_nodes/recirculation-pump.js
#	additional_nodes/settling-basin.js
#	reactor.html
#	src/nodeClass.js
#	src/reaction_modules/asm3_class Koch.js
#	src/reaction_modules/asm3_class.js
#	src/specificClass.js
 2026-03-31 16:20:45 +02:00
root
2e3ba8a9bf Expand reactor demo telemetry and stability handling 2026-03-31 14:26:10 +02:00
Rene De Ren
1da55fc3f5 Expose output format selectors in editor 2026-03-12 16:39:25 +01:00
znetsixe
2c69a5a0c1 updates 2026-03-11 11:13:51 +01:00
znetsixe
460b872053 updates 2026-02-23 12:51:10 +01:00
znetsixe
2b9ad5fd19 before functional changes by codex 2026-02-19 17:37:42 +01:00
znetsixe
7c8722b324 changed colours and icon based on s88 2025-10-14 13:52:55 +02:00
47 changed files with 3722 additions and 2478 deletions
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# Logs # Logs
logs logs
*.log *.log
npm-debug.log* npm-debug.log*
yarn-debug.log* yarn-debug.log*
yarn-error.log* yarn-error.log*
lerna-debug.log* lerna-debug.log*
.pnpm-debug.log* .pnpm-debug.log*
# Diagnostic reports (https://nodejs.org/api/report.html) # Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
# Runtime data # Runtime data
pids pids
*.pid *.pid
*.seed *.seed
*.pid.lock *.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover # Directory for instrumented libs generated by jscoverage/JSCover
lib-cov lib-cov
# Coverage directory used by tools like istanbul # Coverage directory used by tools like istanbul
coverage coverage
*.lcov *.lcov
# nyc test coverage # nyc test coverage
.nyc_output .nyc_output
# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) # Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt .grunt
# Bower dependency directory (https://bower.io/) # Bower dependency directory (https://bower.io/)
bower_components bower_components
# node-waf configuration # node-waf configuration
.lock-wscript .lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html) # Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release build/Release
# Dependency directories # Dependency directories
node_modules/ node_modules/
jspm_packages/ jspm_packages/
# Snowpack dependency directory (https://snowpack.dev/) # Snowpack dependency directory (https://snowpack.dev/)
web_modules/ web_modules/
# TypeScript cache # TypeScript cache
*.tsbuildinfo *.tsbuildinfo
# Optional npm cache directory # Optional npm cache directory
.npm .npm
# Optional eslint cache # Optional eslint cache
.eslintcache .eslintcache
# Optional stylelint cache # Optional stylelint cache
.stylelintcache .stylelintcache
# Microbundle cache # Microbundle cache
.rpt2_cache/ .rpt2_cache/
.rts2_cache_cjs/ .rts2_cache_cjs/
.rts2_cache_es/ .rts2_cache_es/
.rts2_cache_umd/ .rts2_cache_umd/
# Optional REPL history # Optional REPL history
.node_repl_history .node_repl_history
# Output of 'npm pack' # Output of 'npm pack'
*.tgz *.tgz
# Yarn Integrity file # Yarn Integrity file
.yarn-integrity .yarn-integrity
# dotenv environment variable files # dotenv environment variable files
.env .env
.env.development.local .env.development.local
.env.test.local .env.test.local
.env.production.local .env.production.local
.env.local .env.local
# parcel-bundler cache (https://parceljs.org/) # parcel-bundler cache (https://parceljs.org/)
.cache .cache
.parcel-cache .parcel-cache
# Next.js build output # Next.js build output
.next .next
out out
# Nuxt.js build / generate output # Nuxt.js build / generate output
.nuxt .nuxt
dist dist
# Gatsby files # Gatsby files
.cache/ .cache/
# Comment in the public line in if your project uses Gatsby and not Next.js # Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support # https://nextjs.org/blog/next-9-1#public-directory-support
# public # public
# vuepress build output # vuepress build output
.vuepress/dist .vuepress/dist
# vuepress v2.x temp and cache directory # vuepress v2.x temp and cache directory
.temp .temp
.cache .cache
# vitepress build output # vitepress build output
**/.vitepress/dist **/.vitepress/dist
# vitepress cache directory # vitepress cache directory
**/.vitepress/cache **/.vitepress/cache
# Docusaurus cache and generated files # Docusaurus cache and generated files
.docusaurus .docusaurus
# Serverless directories # Serverless directories
.serverless/ .serverless/
# FuseBox cache # FuseBox cache
.fusebox/ .fusebox/
# DynamoDB Local files # DynamoDB Local files
.dynamodb/ .dynamodb/
# TernJS port file # TernJS port file
.tern-port .tern-port
# Stores VSCode versions used for testing VSCode extensions # Stores VSCode versions used for testing VSCode extensions
.vscode-test .vscode-test
# yarn v2 # yarn v2
.yarn/cache .yarn/cache
.yarn/unplugged .yarn/unplugged
.yarn/build-state.yml .yarn/build-state.yml
.yarn/install-state.gz .yarn/install-state.gz
.pnp.* .pnp.*

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CLAUDE.md Normal file
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# reactor — Claude Code context
Biological reactor with ASM kinetics.
Part of the [EVOLV](https://gitea.wbd-rd.nl/RnD/EVOLV) wastewater-automation platform.
## S88 classification
| Level | Colour | Placement lane |
|---|---|---|
| **Unit** | `#50a8d9` | L4 |
## Flow layout rules
When wiring this node into a multi-node demo or production flow, follow the
placement rule set in the **EVOLV superproject**:
> `.claude/rules/node-red-flow-layout.md` (in the EVOLV repo root)
Key points for this node:
- Place on lane **L4** (x-position per the lane table in the rule).
- Stack same-level siblings vertically.
- Parent/children sit on adjacent lanes (children one lane left, parent one lane right).
- Wrap in a Node-RED group box coloured `#50a8d9` (Unit).

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LICENSE
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@@ -1,190 +1,190 @@
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Appendix Appendix
‘Compatible Licences’ according to Article 5 EUPL are: ‘Compatible Licences’ according to Article 5 EUPL are:
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— Open Software License (OSL) v. 2.1, v. 3.0 — Open Software License (OSL) v. 2.1, v. 3.0
— Eclipse Public License (EPL) v. 1.0 — Eclipse Public License (EPL) v. 1.0
— CeCILL v. 2.0, v. 2.1 — CeCILL v. 2.0, v. 2.1
— Mozilla Public Licence (MPL) v. 2 — Mozilla Public Licence (MPL) v. 2
— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3 — 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 — 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 — 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+). — 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 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 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. covered Source Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new EUPL version. All other changes or additions to this Appendix require the production of a new EUPL version.

34
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@@ -1,17 +1,17 @@
# reactor # reactor
Reactor: Advanced Hydraulic Tank & Biological Process Simulator 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. 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: Key Features:
Plug Flow Hydraulics: Multi-section reactor with configurable sectioning factor and dispersion modeling 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) 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 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 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 Real-time Kinetics: Continuous biological reaction rate calculations with configurable time acceleration
Weighted Averaging: Volume-based concentration mixing for accurate mass balance calculations Weighted Averaging: Volume-based concentration mixing for accurate mass balance calculations
Child Registration: Integration with diffuser systems and upstream/downstream reactor networks 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. Supports complex biological treatment train modeling with temperature compensation, sludge calculations, and comprehensive process monitoring for wastewater treatment plant optimization and regulatory compliance.

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

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

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# reactor Example Flows
Import-ready Node-RED examples for reactor.
## Files
- basic.flow.json
- integration.flow.json
- edge.flow.json

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[
{"id":"reactor_basic_tab","type":"tab","label":"reactor basic","disabled":false,"info":"reactor basic example"},
{"id":"reactor_basic_node","type":"reactor","z":"reactor_basic_tab","name":"reactor basic","x":420,"y":180,"wires":[["reactor_basic_dbg"]]},
{"id":"reactor_basic_inj","type":"inject","z":"reactor_basic_tab","name":"basic trigger","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"ping","payload":"1","payloadType":"str","x":160,"y":180,"wires":[["reactor_basic_node"]]},
{"id":"reactor_basic_dbg","type":"debug","z":"reactor_basic_tab","name":"reactor basic debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":660,"y":180,"wires":[]}
]

6
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[
{"id":"reactor_edge_tab","type":"tab","label":"reactor edge","disabled":false,"info":"reactor edge example"},
{"id":"reactor_edge_node","type":"reactor","z":"reactor_edge_tab","name":"reactor edge","x":420,"y":180,"wires":[["reactor_edge_dbg"]]},
{"id":"reactor_edge_inj","type":"inject","z":"reactor_edge_tab","name":"unknown topic","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"doesNotExist","payload":"x","payloadType":"str","x":170,"y":180,"wires":[["reactor_edge_node"]]},
{"id":"reactor_edge_dbg","type":"debug","z":"reactor_edge_tab","name":"reactor edge debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":660,"y":180,"wires":[]}
]

6
examples/integration.flow.json Normal file
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@@ -0,0 +1,6 @@
[
{"id":"reactor_int_tab","type":"tab","label":"reactor integration","disabled":false,"info":"reactor integration example"},
{"id":"reactor_int_node","type":"reactor","z":"reactor_int_tab","name":"reactor integration","x":420,"y":180,"wires":[["reactor_int_dbg"]]},
{"id":"reactor_int_inj","type":"inject","z":"reactor_int_tab","name":"registerChild","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"registerChild","payload":"example-child-id","payloadType":"str","x":170,"y":180,"wires":[["reactor_int_node"]]},
{"id":"reactor_int_dbg","type":"debug","z":"reactor_int_tab","name":"reactor integration debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":680,"y":180,"wires":[]}
]

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238
package-lock.json generated
View File

@@ -1,119 +1,119 @@
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62
package.json
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@@ -1,33 +1,33 @@
{ {
"name": "reactor", "name": "reactor",
"version": "0.0.1", "version": "0.0.1",
"description": "Implementation of the asm3 model for Node-Red", "description": "Implementation of the asm3 model for Node-Red",
"repository": { "repository": {
"type": "git", "type": "git",
"url": "https://gitea.centraal.wbd-rd.nl/RnD/reactor.git" "url": "https://gitea.centraal.wbd-rd.nl/RnD/reactor.git"
}, },
"keywords": [ "keywords": [
"asm3", "asm3",
"activated sludge", "activated sludge",
"wastewater", "wastewater",
"biological model", "biological model",
"node-red" "node-red"
], ],
"license": "SEE LICENSE", "license": "SEE LICENSE",
"author": "P.R. van der Wilt", "author": "P.R. van der Wilt",
"main": "reactor.js", "main": "reactor.js",
"scripts": { "scripts": {
"test": "node reactor.js" "test": "node --test test/basic/*.test.js test/integration/*.test.js test/edge/*.test.js"
}, },
"node-red": { "node-red": {
"nodes": { "nodes": {
"reactor": "reactor.js", "reactor": "reactor.js",
"recirculation-pump": "additional_nodes/recirculation-pump.js", "recirculation-pump": "additional_nodes/recirculation-pump.js",
"settling-basin": "additional_nodes/settling-basin.js" "settling-basin": "additional_nodes/settling-basin.js"
} }
}, },
"dependencies": { "dependencies": {
"generalFunctions": "git+https://gitea.centraal.wbd-rd.nl/RnD/generalFunctions.git", "generalFunctions": "git+https://gitea.centraal.wbd-rd.nl/RnD/generalFunctions.git",
"mathjs": "^14.5.2" "mathjs": "^14.5.2"
} }
} }

50
reactor.html
View File

@@ -1,9 +1,19 @@
<!--
| 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 src="/reactor/menu.js"></script>
<script type="text/javascript"> <script type="text/javascript">
RED.nodes.registerType("reactor", { RED.nodes.registerType("reactor", {
category: "WWTP", category: "EVOLV",
color: "#c4cce0", color: "#50a8d9",
defaults: { defaults: {
name: { value: "" }, name: { value: "" },
reactor_type: { value: "CSTR", required: true }, reactor_type: { value: "CSTR", required: true },
@@ -13,7 +23,7 @@
alpha: {value: 0}, alpha: {value: 0},
n_inlets: { value: 1, required: true}, n_inlets: { value: 1, required: true},
kla: { value: null }, kla: { value: null },
S_O_init: { value: 0., required: true }, S_O_init: { value: 0., required: true },
S_I_init: { value: 30., required: true }, S_I_init: { value: 30., required: true },
S_S_init: { value: 100., required: true }, S_S_init: { value: 100., required: true },
@@ -29,6 +39,9 @@
X_TS_init: { value: 125.0009, required: true }, X_TS_init: { value: 125.0009, required: true },
timeStep: { value: 1, required: true }, timeStep: { value: 1, required: true },
speedUpFactor: { value: 1 },
processOutputFormat: { value: "process" },
dbaseOutputFormat: { value: "influxdb" },
enableLog: { value: false }, enableLog: { value: false },
logLevel: { value: "error" }, logLevel: { value: "error" },
@@ -39,7 +52,7 @@
outputs: 3, outputs: 3,
inputLabels: ["input"], inputLabels: ["input"],
outputLabels: ["process", "dbase", "parent"], outputLabels: ["process", "dbase", "parent"],
icon: "font-awesome/fa-recycle", icon: "font-awesome/fa-flask",
label: function() { label: function() {
return this.name || "Reactor"; return this.name || "Reactor";
}, },
@@ -105,6 +118,10 @@
type:"num", type:"num",
types:["num"] types:["num"]
}) })
$("#node-input-speedUpFactor").typedInput({
type:"num",
types:["num"]
})
// Set initial visibility on dialog open // Set initial visibility on dialog open
const initialType = $("#node-input-reactor_type").typedInput("value"); const initialType = $("#node-input-reactor_type").typedInput("value");
if (initialType === "CSTR") { if (initialType === "CSTR") {
@@ -120,8 +137,8 @@
} }
// save position field // save position field
if (window.EVOLV?.nodes?.measurement?.positionMenu?.saveEditor) { if (window.EVOLV?.nodes?.reactor?.positionMenu?.saveEditor) {
window.EVOLV.nodes.rotatingMachine.positionMenu.saveEditor(this); window.EVOLV.nodes.reactor.positionMenu.saveEditor(this);
} }
let volume = parseFloat($("#node-input-volume").typedInput("value")); let volume = parseFloat($("#node-input-volume").typedInput("value"));
@@ -233,6 +250,27 @@
<label for="node-input-timeStep"><i class="fa fa-tag"></i> Time step [s]</label> <label for="node-input-timeStep"><i class="fa fa-tag"></i> Time step [s]</label>
<input type="text" id="node-input-timeStep" placeholder="s"> <input type="text" id="node-input-timeStep" placeholder="s">
</div> </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>
<h3>Output Formats</h3>
<div class="form-row">
<label for="node-input-processOutputFormat"><i class="fa fa-random"></i> Process Output</label>
<select id="node-input-processOutputFormat" style="width:60%;">
<option value="process">process</option>
<option value="json">json</option>
<option value="csv">csv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-dbaseOutputFormat"><i class="fa fa-database"></i> Database Output</label>
<select id="node-input-dbaseOutputFormat" style="width:60%;">
<option value="influxdb">influxdb</option>
<option value="json">json</option>
<option value="csv">csv</option>
</select>
</div>
<!-- Logger fields injected here --> <!-- Logger fields injected here -->
<div id="logger-fields-placeholder"></div> <div id="logger-fields-placeholder"></div>

52
reactor.js
View File

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

119
src/nodeClass.js
View File

@@ -1,5 +1,21 @@
const { Reactor_CSTR, Reactor_PFR } = require('./specificClass.js'); const { Reactor_CSTR, Reactor_PFR } = require('./specificClass.js');
const { configManager } = require('generalFunctions'); const { outputUtils, configManager } = require('generalFunctions');
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 { class nodeClass {
@@ -19,6 +35,7 @@ class nodeClass {
this._loadConfig(uiConfig) this._loadConfig(uiConfig)
this._setupClass(); this._setupClass();
this._output = new outputUtils();
this._attachInputHandler(); this._attachInputHandler();
this._registerChild(); this._registerChild();
@@ -31,43 +48,49 @@ class nodeClass {
*/ */
_attachInputHandler() { _attachInputHandler() {
this.node.on('input', (msg, send, done) => { this.node.on('input', (msg, send, done) => {
try {
switch (msg.topic) { switch (msg.topic) {
case "clock": case "clock":
this.source.updateState(msg.timestamp); this.source.updateState(msg.timestamp);
send([msg, null, null]); send([msg, null, null]);
break; break;
case "Fluent": case "Fluent":
this.source.setInfluent = msg; this.source.setInfluent = msg;
break; break;
case "OTR": case "OTR":
this.source.setOTR = msg; this.source.setOTR = msg;
break; break;
case "Temperature": case "Temperature":
this.source.setTemperature = msg; this.source.setTemperature = msg;
break; break;
case "Dispersion": case "Dispersion":
this.source.setDispersion = msg; this.source.setDispersion = msg;
break; break;
case 'registerChild': { case 'registerChild': {
// Register this node as a parent of the child node const childId = msg.payload;
const childId = msg.payload; const childObj = this.RED.nodes.getNode(childId);
const childObj = this.RED.nodes.getNode(childId); if (!childObj || !childObj.source) {
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent); this.source?.logger?.warn(`registerChild skipped: missing child/source for id=${childId}`);
break; break;
}
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
break;
}
default:
this.source?.logger?.warn(`Unknown topic: ${msg.topic}`);
} }
default: } catch (error) {
this.source.logger.warn(`Unknown topic: ${msg.topic}`); this.source?.logger?.error(`Input handler failure: ${error.message}`);
} }
if (done) { if (typeof done === 'function') {
done(); done();
} }
}); });
} }
/** /**
* Parse node configuration * Parse node configuration using ConfigManager
* @param {object} uiConfig Config set in UI in node-red * @param {object} uiConfig Config set in UI in node-red
*/ */
_loadConfig(uiConfig) { _loadConfig(uiConfig) {
@@ -97,7 +120,8 @@ class nodeClass {
parseFloat(uiConfig.X_A_init), parseFloat(uiConfig.X_A_init),
parseFloat(uiConfig.X_TS_init) parseFloat(uiConfig.X_TS_init)
], ],
timeStep: parseFloat(uiConfig.timeStep) timeStep: parseFloat(uiConfig.timeStep),
speedUpFactor: Number(uiConfig.speedUpFactor) || 1
}); });
} }
@@ -129,7 +153,8 @@ class nodeClass {
new_reactor = new Reactor_PFR(this.config); new_reactor = new Reactor_PFR(this.config);
break; break;
default: default:
throw new Error(`Unknown reactor type: ${this.config.reactor_type}`); 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.source = new_reactor; // protect from reassignment
@@ -143,15 +168,41 @@ class nodeClass {
} }
_tick(){ _tick(){
this.node.send([this.source.getEffluent, null, null]); const gridProfile = this.source.getGridProfile;
if (gridProfile) {
this.node.send([{ topic: "GridProfile", payload: gridProfile }, 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() { _attachCloseHandler() {
this.node.on('close', (done) => { this.node.on('close', (done) => {
clearInterval(this._tickInterval); clearInterval(this._tickInterval);
done(); if (typeof done === 'function') done();
}); });
} }
} }
module.exports = nodeClass; module.exports = nodeClass;

14
src/reaction_modules/asm3_class Koch.js
View File

@@ -13,13 +13,13 @@ class ASM3 {
this.kin_params = { this.kin_params = {
// Hydrolysis // Hydrolysis
k_H: 9., // hydrolysis rate constant [g X_S g-1 X_H d-1] 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] K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs // Heterotrophs
k_STO: 12., // storage rate constant [g S_S g-1 X_H d-1] k_STO: 12., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.5, // anoxic reduction factor [-] nu_NO: 0.5, // anoxic reduction factor [-]
K_O: 0.2, // saturation constant S_0 [g O2 m-3] 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_NO: 0.5, // saturation constant S_NO [g NO3-N m-3]
K_S: 10.0, // saturation constant S_s [g COD 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] 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] mu_H_max: 3., // maximum specific growth rate [d-1]
K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3] K_NH: 0.01, // saturation constant S_NH3 [g NH3-N m-3]
@@ -30,7 +30,7 @@ class ASM3 {
b_STO_NO: 0.15, // anoxic respitation rate X_STO [d-1] b_STO_NO: 0.15, // anoxic respitation rate X_STO [d-1]
// Autotrophs // Autotrophs
mu_A_max: 1.3, // maximum specific growth rate [d-1] 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_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_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 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_O: 0.20, // aerobic respiration rate [d-1]
@@ -132,7 +132,7 @@ class ASM3 {
/** /**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition. * 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} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the 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. * @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/ */
_inv_monod(c, K) { _inv_monod(c, K) {
@@ -187,12 +187,12 @@ class ASM3 {
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[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[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; 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 // 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[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[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; 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; return rates;
} }
@@ -208,4 +208,4 @@ class ASM3 {
} }
} }
module.exports = ASM3; module.exports = ASM3;

12
src/reaction_modules/asm3_class.js
View File

@@ -13,7 +13,7 @@ class ASM3 {
this.kin_params = { this.kin_params = {
// Hydrolysis // Hydrolysis
k_H: 3., // hydrolysis rate constant [g X_S g-1 X_H d-1] 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] K_X: 1., // hydrolysis saturation constant [g X_S g-1 X_H]
// Heterotrophs // Heterotrophs
k_STO: 5., // storage rate constant [g S_S g-1 X_H d-1] k_STO: 5., // storage rate constant [g S_S g-1 X_H d-1]
nu_NO: 0.6, // anoxic reduction factor [-] nu_NO: 0.6, // anoxic reduction factor [-]
@@ -30,7 +30,7 @@ class ASM3 {
b_STO_NO: 0.1, // anoxic respitation rate X_STO [d-1] b_STO_NO: 0.1, // anoxic respitation rate X_STO [d-1]
// Autotrophs // Autotrophs
mu_A_max: 1.0, // maximum specific growth rate [d-1] 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_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_O: 0.5, // saturation constant S_0 [g O2 m-3]
K_A_HCO: 0.5, // saturation constant S_HCO [mole HCO3 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_O: 0.15, // aerobic respiration rate [d-1]
@@ -132,7 +132,7 @@ class ASM3 {
/** /**
* Computes the inverse Monod equation rate value for a given concentration and half-saturation constant. Used for inhibition. * 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} c - Concentration of reaction species.
* @param {number} K - Half-saturation constant for the 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. * @returns {number} - Inverse Monod equation rate value for the given concentration and half-saturation constant.
*/ */
_inv_monod(c, K) { _inv_monod(c, K) {
@@ -187,12 +187,12 @@ class ASM3 {
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[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[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; 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 // 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[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[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; 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; return rates;
} }
@@ -208,4 +208,4 @@ class ASM3 {
} }
} }
module.exports = ASM3; module.exports = ASM3;

88
src/specificClass.js
View File

@@ -41,7 +41,7 @@ class Reactor {
this.currentTime = Date.now(); // milliseconds since epoch [ms] 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.timeStep = 1 / (24*60*60) * this.config.timeStep; // time step in seconds, converted to days.
this.speedUpFactor = 60; // speed up factor for simulation, 60 means 1 minute per simulated second this.speedUpFactor = config.speedUpFactor ?? 1; // speed up factor for simulation
} }
/** /**
@@ -62,6 +62,24 @@ class Reactor {
this.OTR = input.payload; 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. * Getter for effluent data.
* @returns {object} Effluent data object (msg), defaults to inlet 0. * @returns {object} Effluent data object (msg), defaults to inlet 0.
@@ -73,6 +91,8 @@ class Reactor {
return { topic: "Fluent", payload: { inlet: 0, F: math.sum(this.Fs), C: this.state }, 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. * 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} S_O - Dissolved oxygen concentration [g O2 m-3].
@@ -84,6 +104,29 @@ class Reactor {
return this.kla * (S_O_sat - S_O); return this.kla * (S_O_sat - S_O);
} }
_calcOxygenSaturation(T = 20.0) {
return 14.652 - 4.1022e-1 * T + 7.9910e-3 * T*T + 7.7774e-5 * T*T*T;
}
_capDissolvedOxygen(state) {
const saturation = this._calcOxygenSaturation(this.temperature);
const capRow = (row) => {
if (!Array.isArray(row)) {
return row;
}
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;
};
if (Array.isArray(state) && Array.isArray(state[0])) {
return state.map(capRow);
}
return capRow(state);
}
/** /**
* Clip values in an array to zero. * Clip values in an array to zero.
* @param {Array} arr - Array of values to clip. * @param {Array} arr - Array of values to clip.
@@ -138,7 +181,7 @@ class Reactor {
.variant("measured") .variant("measured")
.position(position) .position(position)
.value(eventData.value, eventData.timestamp, eventData.unit); .value(eventData.value, eventData.timestamp, eventData.unit);
this._updateMeasurement(measurementType, eventData.value, position, eventData); this._updateMeasurement(measurementType, eventData.value, position, eventData);
}); });
} }
@@ -158,7 +201,7 @@ class Reactor {
}); });
} }
_updateMeasurement(measurementType, value, position, _context) { _updateMeasurement(measurementType, value, position, _context) {
this.logger.debug(`---------------------- updating ${measurementType} ------------------ `); this.logger.debug(`---------------------- updating ${measurementType} ------------------ `);
switch (measurementType) { switch (measurementType) {
@@ -220,7 +263,7 @@ class Reactor_CSTR extends Reactor {
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 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) 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 this.state = this._capDissolvedOxygen(this._arrayClip2Zero(math.add(this.state, dC_total))); // clip concentrations and enforce physical DO saturation
if(DEBUG){ if(DEBUG){
assertNoNaN(dC_total, "change in state"); assertNoNaN(dC_total, "change in state");
assertNoNaN(this.state, "new state"); assertNoNaN(this.state, "new state");
@@ -256,6 +299,18 @@ class Reactor_PFR extends Reactor {
assertNoNaN(this.D2_op, "Second derivative operator"); 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. * Setter for axial dispersion.
* @param {object} input - Input object (msg) containing payload with dispersion value [m2 d-1]. * @param {object} input - Input object (msg) containing payload with dispersion value [m2 d-1].
@@ -269,7 +324,7 @@ class Reactor_PFR extends Reactor {
let Pe_local = this.d_x*math.sum(this.Fs)/(this.D*this.A) 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); 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.`); (Pe_local >= 2) && this.logger.warn(`Local Peclet 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.`); (Co_D >= 0.5) && this.logger.warn(`Courant number (${Co_D}) is too high! Reduce time step size.`);
if(DEBUG) { if(DEBUG) {
@@ -315,19 +370,26 @@ class Reactor_PFR extends Reactor {
assertNoNaN(stateNew, "new state post BC"); assertNoNaN(stateNew, "new state post BC");
} }
this.state = this._arrayClip2Zero(stateNew); this.state = this._capDissolvedOxygen(this._arrayClip2Zero(stateNew));
return stateNew; return stateNew;
} }
_updateMeasurement(measurementType, value, position, _context) { _updateMeasurement(measurementType, value, position, context) {
switch(measurementType) { switch(measurementType) {
case "quantity (oxygen)": { case "quantity (oxygen)":
let grid_pos = Math.round(position / this.config.length * this.n_x); if (!Number.isFinite(position) || !Number.isFinite(value) || this.config.length <= 0) {
this.state[grid_pos][S_O_INDEX] = value; // naive approach for reconciling measurements and simulation this.logger.warn(`Ignoring oxygen measurement update with invalid data (position=${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; break;
}
default: default:
super._updateMeasurement(measurementType, value, position, _context); super._updateMeasurement(measurementType, value, position, context);
} }
} }
@@ -416,4 +478,4 @@ module.exports = { Reactor_CSTR, Reactor_PFR };
// while (N < 5000) { // while (N < 5000) {
// console.log(Reactor.tick(0.001)); // console.log(Reactor.tick(0.001));
// N += 1; // N += 1;
// } // }

34
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@@ -1,18 +1,18 @@
/** /**
* Assert that no NaN values are present in an array. * Assert that no NaN values are present in an array.
* @param {Array} arr * @param {Array} arr
* @param {string} label * @param {string} label
*/ */
function assertNoNaN(arr, label = "array") { function assertNoNaN(arr, label = "array") {
if (Array.isArray(arr)) { if (Array.isArray(arr)) {
for (const el of arr) { for (const el of arr) {
assertNoNaN(el, label); assertNoNaN(el, label);
} }
} else { } else {
if (Number.isNaN(arr)) { if (Number.isNaN(arr)) {
throw new Error(`NaN detected in ${label}!`); throw new Error(`NaN detected in ${label}!`);
} }
} }
} }
module.exports = { assertNoNaN }; module.exports = { assertNoNaN };

12
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@@ -0,0 +1,12 @@
# reactor Test Suite Layout
Required EVOLV layout:
- basic/
- integration/
- edge/
- helpers/
Baseline structure tests:
- basic/structure-module-load.basic.test.js
- integration/structure-examples.integration.test.js
- edge/structure-examples-node-type.edge.test.js

0
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55
test/basic/constructor.basic.test.js Normal file
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@@ -0,0 +1,55 @@
const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { Reactor_CSTR, Reactor_PFR } = require('../../src/specificClass');
const { makeUiConfig, makeReactorConfig, makeNodeStub } = require('../helpers/factories');
test('_loadConfig coerces numeric fields and builds initial state vector', () => {
const inst = Object.create(NodeClass.prototype);
inst.node = { id: 'n-reactor-1' };
inst.name = 'reactor';
inst._loadConfig(
makeUiConfig({
volume: '12.5',
length: '9',
resolution_L: '7',
alpha: '0.5',
n_inlets: '3',
timeStep: '2',
S_O_init: '1.1',
}),
);
assert.equal(inst.config.volume, 12.5);
assert.equal(inst.config.length, 9);
assert.equal(inst.config.resolution_L, 7);
assert.equal(inst.config.alpha, 0.5);
assert.equal(inst.config.n_inlets, 3);
assert.equal(inst.config.timeStep, 2);
assert.equal(inst.config.initialState.length, 13);
assert.equal(inst.config.initialState[0], 1.1);
});
test('_setupClass selects Reactor_CSTR when configured as CSTR', () => {
const inst = Object.create(NodeClass.prototype);
inst.node = makeNodeStub();
inst.config = makeReactorConfig({ reactor_type: 'CSTR' });
inst._setupClass();
assert.ok(inst.source instanceof Reactor_CSTR);
assert.equal(inst.node.source, inst.source);
});
test('_setupClass selects Reactor_PFR when configured as PFR', () => {
const inst = Object.create(NodeClass.prototype);
inst.node = makeNodeStub();
inst.config = makeReactorConfig({ reactor_type: 'PFR', length: 10, resolution_L: 5 });
inst._setupClass();
assert.ok(inst.source instanceof Reactor_PFR);
assert.equal(inst.node.source, inst.source);
});

42
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@@ -0,0 +1,42 @@
const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
const NUM_SPECIES = 13;
test('Reactor_CSTR tick clips negative concentrations to zero', () => {
const reactor = new Reactor_CSTR(
makeReactorConfig({
reactor_type: 'CSTR',
volume: 1,
n_inlets: 1,
kla: NaN,
S_O_init: 0.1,
S_I_init: 0.1,
S_S_init: 0.1,
S_NH_init: 0.1,
S_N2_init: 0.1,
S_NO_init: 0.1,
S_HCO_init: 0.1,
X_I_init: 0.1,
X_S_init: 0.1,
X_H_init: 0.1,
X_STO_init: 0.1,
X_A_init: 0.1,
X_TS_init: 0.1,
}),
);
reactor.asm = {
compute_dC: () => Array(NUM_SPECIES).fill(0),
};
reactor.Fs[0] = 1;
reactor.Cs_in[0] = Array(NUM_SPECIES).fill(0);
reactor.tick(1);
assert.equal(reactor.state.every((v) => Number.isFinite(v) && v >= 0), true);
assert.equal(reactor.state.every((v) => v === 0), true);
});

38
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@@ -0,0 +1,38 @@
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 getEffluent returns flat concentration vector', () => {
const reactor = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR', n_inlets: 1 }));
reactor.state = Array.from({ length: 13 }, (_, i) => i + 1);
reactor.Fs[0] = 5;
const effluent = reactor.getEffluent;
assert.equal(effluent.topic, 'Fluent');
assert.equal(effluent.payload.inlet, 0);
assert.equal(effluent.payload.F, 5);
assert.deepEqual(effluent.payload.C, reactor.state);
});
test('PFR getEffluent returns last slice concentration vector', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', n_inlets: 1, length: 10, resolution_L: 4 }),
);
reactor.state = [
Array(13).fill(10),
Array(13).fill(20),
Array(13).fill(30),
Array(13).fill(40),
];
reactor.Fs[0] = 7;
const effluent = reactor.getEffluent;
assert.equal(effluent.topic, 'Fluent');
assert.equal(effluent.payload.F, 7);
assert.deepEqual(effluent.payload.C, Array(13).fill(40));
});

45
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@@ -0,0 +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');
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub, makeREDStub } = require('../helpers/factories');
test('_attachInputHandler routes supported topics to source methods/setters', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
const calls = [];
const source = {
updateState(timestamp) {
calls.push(['clock', timestamp]);
},
childRegistrationUtils: {
registerChild(childSource, position) {
calls.push(['registerChild', childSource, position]);
},
},
};
Object.defineProperty(source, 'setInfluent', {
set(v) {
calls.push(['Fluent', v]);
},
});
Object.defineProperty(source, 'setOTR', {
set(v) {
calls.push(['OTR', v]);
},
});
Object.defineProperty(source, 'setTemperature', {
set(v) {
calls.push(['Temperature', v]);
},
});
Object.defineProperty(source, 'setDispersion', {
set(v) {
calls.push(['Dispersion', v]);
},
});
inst.node = node;
inst.RED = makeREDStub({
childA: {
source: { id: 'child-source-A' },
},
});
inst.source = source;
inst._attachInputHandler();
const onInput = node._handlers.input;
const sent = [];
let doneCount = 0;
onInput({ topic: 'clock', timestamp: 1000 }, (msg) => sent.push(msg), () => doneCount++);
onInput({ topic: 'Fluent', payload: { inlet: 0, F: 10, C: [] } }, () => {}, () => doneCount++);
onInput({ topic: 'OTR', payload: 3.5 }, () => {}, () => doneCount++);
onInput({ topic: 'Temperature', payload: 18.2 }, () => {}, () => doneCount++);
onInput({ topic: 'Dispersion', payload: 0.2 }, () => {}, () => doneCount++);
onInput({ topic: 'registerChild', payload: 'childA', positionVsParent: 'upstream' }, () => {}, () => doneCount++);
assert.equal(doneCount, 6);
assert.equal(sent.length, 1);
assert.equal(Array.isArray(sent[0]), true);
assert.deepEqual(calls[0], ['clock', 1000]);
assert.equal(calls.some((x) => x[0] === 'Fluent'), true);
assert.equal(calls.some((x) => x[0] === 'OTR'), true);
assert.equal(calls.some((x) => x[0] === 'Temperature'), true);
assert.equal(calls.some((x) => x[0] === 'Dispersion'), true);
assert.deepEqual(calls.at(-1), ['registerChild', { id: 'child-source-A' }, 'upstream']);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
test('Reactor_PFR derivative operators have expected dimensions and boundary rows', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({
reactor_type: 'PFR',
length: 12,
resolution_L: 6,
volume: 60,
n_inlets: 1,
}),
);
assert.equal(reactor.D_op.length, reactor.n_x);
assert.equal(reactor.D2_op.length, reactor.n_x);
assert.equal(reactor.D_op.every((row) => row.length === reactor.n_x), true);
assert.equal(reactor.D2_op.every((row) => row.length === reactor.n_x), true);
assert.deepEqual(reactor.D_op[0], Array(reactor.n_x).fill(0));
assert.deepEqual(reactor.D_op[reactor.n_x - 1], Array(reactor.n_x).fill(0));
assert.deepEqual(reactor.D2_op[0], Array(reactor.n_x).fill(0));
assert.deepEqual(reactor.D2_op[reactor.n_x - 1], Array(reactor.n_x).fill(0));
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub } = require('../helpers/factories');
test('_registerChild emits delayed registration message on output 2', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
inst.node = node;
inst.config = {
functionality: {
positionVsParent: 'downstream',
},
};
const originalSetTimeout = global.setTimeout;
const delays = [];
global.setTimeout = (fn, ms) => {
delays.push(ms);
fn();
return 1;
};
try {
inst._registerChild();
} finally {
global.setTimeout = originalSetTimeout;
}
assert.deepEqual(delays, [100]);
assert.equal(node._sent.length, 1);
assert.equal(Array.isArray(node._sent[0]), true);
assert.equal(node._sent[0][2].topic, 'registerChild');
assert.equal(node._sent[0][2].payload, node.id);
assert.equal(node._sent[0][2].positionVsParent, 'downstream');
});

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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)`);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
test('reactor module load smoke', () => {
assert.doesNotThrow(() => {
require('../../reactor.js');
});
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub, makeUiConfig } = require('../helpers/factories');
test('_setupClass with unknown reactor_type throws (known error-path behavior)', () => {
const inst = Object.create(NodeClass.prototype);
inst.node = makeNodeStub();
inst.config = makeUiConfig({ reactor_type: 'UNKNOWN_TYPE' });
assert.throws(() => {
inst._setupClass();
});
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub, makeREDStub } = require('../helpers/factories');
test('unknown input topic does not throw and still calls done', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
inst.node = node;
inst.RED = makeREDStub();
inst.source = {
childRegistrationUtils: {
registerChild() {},
},
updateState() {},
};
inst._attachInputHandler();
let doneCalled = 0;
assert.doesNotThrow(() => {
node._handlers.input({ topic: 'somethingUnknown', payload: 1 }, () => {}, () => {
doneCalled += 1;
});
});
assert.equal(doneCalled, 1);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub, makeREDStub } = require('../helpers/factories');
test('registerChild with unknown node id is ignored without throwing', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
inst.node = node;
inst.RED = makeREDStub();
inst.source = {
childRegistrationUtils: {
registerChild() {},
},
};
inst._attachInputHandler();
assert.doesNotThrow(() => {
node._handlers.input(
{ topic: 'registerChild', payload: 'missing-child', positionVsParent: 'upstream' },
() => {},
() => {},
);
});
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
test('oxygen measurement at exact reactor length is clamped to the last PFR grid index', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', length: 10, resolution_L: 5, n_inlets: 1 }),
);
assert.doesNotThrow(() => {
reactor._updateMeasurement('quantity (oxygen)', 2.5, 10, {});
});
assert.equal(reactor.state[reactor.n_x - 1][0], 2.5);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const flow = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../../examples/basic.flow.json'), 'utf8'));
test('basic example includes node type reactor', () => {
const count = flow.filter((n) => n && n.type === 'reactor').length;
assert.equal(count >= 1, true);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
const DAY_MS = 1000 * 60 * 60 * 24;
test('updateState warns when local Peclet number is too high at zero dispersion', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', length: 10, resolution_L: 5, volume: 50, n_inlets: 1 }),
);
const warnings = [];
reactor.logger.warn = (msg) => warnings.push(String(msg));
reactor.currentTime = 0;
reactor.timeStep = 1;
reactor.speedUpFactor = 1;
reactor.Fs[0] = 2;
reactor.D = 0;
reactor.tick = () => reactor.state;
reactor.updateState(DAY_MS);
assert.equal(warnings.some((w) => w.includes('Péclet number') || w.includes('Peclet number')), true);
});

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const EventEmitter = require('node:events');
function makeUiConfig(overrides = {}) {
return {
name: 'reactor-test',
reactor_type: 'CSTR',
volume: 100,
length: 10,
resolution_L: 5,
alpha: 0,
n_inlets: 1,
kla: NaN,
S_O_init: 0,
S_I_init: 30,
S_S_init: 100,
S_NH_init: 16,
S_N2_init: 0,
S_NO_init: 0,
S_HCO_init: 5,
X_I_init: 25,
X_S_init: 75,
X_H_init: 30,
X_STO_init: 0,
X_A_init: 0.001,
X_TS_init: 125,
timeStep: 1,
enableLog: false,
logLevel: 'error',
positionVsParent: 'atEquipment',
...overrides,
};
}
function makeReactorConfig(overrides = {}) {
const ui = makeUiConfig(overrides);
return {
general: {
id: 'reactor-node-1',
name: ui.name,
unit: null,
logging: {
enabled: ui.enableLog,
logLevel: ui.logLevel,
},
},
functionality: {
positionVsParent: ui.positionVsParent || 'atEquipment',
softwareType: 'reactor',
},
reactor_type: ui.reactor_type,
volume: Number(ui.volume),
length: Number(ui.length),
resolution_L: Number(ui.resolution_L),
alpha: Number(ui.alpha),
n_inlets: Number(ui.n_inlets),
kla: Number(ui.kla),
initialState: [
Number(ui.S_O_init),
Number(ui.S_I_init),
Number(ui.S_S_init),
Number(ui.S_NH_init),
Number(ui.S_N2_init),
Number(ui.S_NO_init),
Number(ui.S_HCO_init),
Number(ui.X_I_init),
Number(ui.X_S_init),
Number(ui.X_H_init),
Number(ui.X_STO_init),
Number(ui.X_A_init),
Number(ui.X_TS_init),
],
timeStep: Number(ui.timeStep),
};
}
function makeNodeStub() {
const handlers = {};
const sent = [];
const warns = [];
const errors = [];
const statuses = [];
return {
id: 'reactor-node-1',
source: null,
on(event, cb) {
handlers[event] = cb;
},
send(msg) {
sent.push(msg);
},
warn(msg) {
warns.push(msg);
},
error(msg) {
errors.push(msg);
},
status(msg) {
statuses.push(msg);
},
_handlers: handlers,
_sent: sent,
_warns: warns,
_errors: errors,
_statuses: statuses,
};
}
function makeREDStub(nodeMap = {}) {
return {
nodes: {
getNode(id) {
return nodeMap[id] || null;
},
createNode() {},
registerType() {},
},
httpAdmin: {
get() {},
},
};
}
function makeMeasurementChild({
id = 'measurement-1',
name = 'temp-sensor-1',
distance = 'atEquipment',
positionVsParent = 'atEquipment',
type = 'temperature',
} = {}) {
return {
config: {
general: { id, name },
functionality: { distance, positionVsParent, softwareType: 'measurement' },
asset: { type },
},
measurements: {
emitter: new EventEmitter(),
},
};
}
module.exports = {
makeUiConfig,
makeReactorConfig,
makeNodeStub,
makeREDStub,
makeMeasurementChild,
};

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR } = require('../../src/specificClass');
const { makeReactorConfig, makeMeasurementChild } = require('../helpers/factories');
test('measurement child temperature event updates reactor temperature', () => {
const reactor = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR' }));
const measurement = makeMeasurementChild({
type: 'temperature',
distance: 'atEquipment',
positionVsParent: 'upstream',
});
reactor.registerChild(measurement, 'measurement');
measurement.measurements.emitter.emit('temperature.measured.atEquipment', {
childName: 'T-1',
value: 27.5,
unit: 'C',
timestamp: Date.now(),
});
assert.equal(reactor.temperature, 27.5);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR, Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
const NUM_SPECIES = 13;
test('CSTR uses external OTR when kla is NaN', () => {
const reactor = new Reactor_CSTR(
makeReactorConfig({ reactor_type: 'CSTR', kla: NaN, n_inlets: 1 }),
);
reactor.asm = {
compute_dC: () => Array(NUM_SPECIES).fill(0),
};
reactor.Fs[0] = 0;
reactor.OTR = 4;
reactor.state = Array(NUM_SPECIES).fill(0);
reactor.tick(1);
assert.equal(reactor.state[0], 4);
});
test('CSTR uses kla-based oxygen transfer when kla is finite', () => {
const reactor = new Reactor_CSTR(
makeReactorConfig({ reactor_type: 'CSTR', kla: 2, n_inlets: 1 }),
);
reactor.asm = {
compute_dC: () => Array(NUM_SPECIES).fill(0),
};
reactor.Fs[0] = 0;
reactor.OTR = 1;
reactor.state = Array(NUM_SPECIES).fill(0);
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);
});
test('PFR uses external OTR branch when kla is NaN', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', kla: NaN, n_inlets: 1, length: 8, resolution_L: 6, volume: 40 }),
);
reactor.asm = {
compute_dC: () => Array(NUM_SPECIES).fill(0),
};
reactor.Fs[0] = 0;
reactor.D = 0;
reactor.OTR = 3;
reactor.state = Array.from({ length: reactor.n_x }, () => Array(NUM_SPECIES).fill(0));
reactor.tick(1);
assert.equal(reactor.state[1][0], 4.5);
assert.equal(reactor.state[2][0], 4.5);
assert.equal(reactor.state[3][0], 4.5);
assert.equal(reactor.state[4][0], 4.5);
});
test('PFR uses kla-based transfer branch when kla is finite', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', kla: 1, n_inlets: 1, length: 8, resolution_L: 6, volume: 40 }),
);
reactor.asm = {
compute_dC: () => Array(NUM_SPECIES).fill(0),
};
reactor.Fs[0] = 0;
reactor.D = 0;
reactor.OTR = 0;
reactor.state = Array.from({ length: reactor.n_x }, () => Array(NUM_SPECIES).fill(0));
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);
assert.ok(Math.abs(reactor.state[2][0] - expected) < 1e-9);
assert.ok(Math.abs(reactor.state[3][0] - expected) < 1e-9);
assert.ok(Math.abs(reactor.state[4][0] - expected) < 1e-9);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
test('_applyBoundaryConditions enforces Danckwerts inlet and Neumann outlet for flowing case', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', n_inlets: 1, length: 10, resolution_L: 5, volume: 50, alpha: 0.2 }),
);
reactor.Fs[0] = 2;
reactor.Cs_in[0] = Array(13).fill(9);
reactor.D = 1;
const state = Array.from({ length: reactor.n_x }, (_, i) => Array(13).fill(i));
reactor._applyBoundaryConditions(state);
assert.deepEqual(state[reactor.n_x - 1], state[reactor.n_x - 2]);
assert.equal(state[0].every((v) => Number.isFinite(v)), true);
});
test('_applyBoundaryConditions copies first interior slice when no flow is present', () => {
const reactor = new Reactor_PFR(
makeReactorConfig({ reactor_type: 'PFR', n_inlets: 1, length: 10, resolution_L: 5, volume: 50 }),
);
reactor.Fs[0] = 0;
const state = Array.from({ length: reactor.n_x }, (_, i) => Array(13).fill(i + 10));
reactor._applyBoundaryConditions(state);
assert.deepEqual(state[0], state[1]);
assert.deepEqual(state[reactor.n_x - 1], state[reactor.n_x - 2]);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const dir = path.resolve(__dirname, '../../examples');
function loadJson(file) {
return JSON.parse(fs.readFileSync(path.join(dir, file), 'utf8'));
}
test('examples package exists for reactor', () => {
for (const file of ['README.md', 'basic.flow.json', 'integration.flow.json', 'edge.flow.json']) {
assert.equal(fs.existsSync(path.join(dir, file)), true, file + ' missing');
}
});
test('example flows are parseable arrays for reactor', () => {
for (const file of ['basic.flow.json', 'integration.flow.json', 'edge.flow.json']) {
const parsed = loadJson(file);
assert.equal(Array.isArray(parsed), true);
}
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const NodeClass = require('../../src/nodeClass');
const { makeNodeStub } = require('../helpers/factories');
test('_tick emits source effluent on process output', () => {
const inst = Object.create(NodeClass.prototype);
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 };
},
};
inst._tick();
assert.equal(node._sent.length, 1);
assert.equal(node._sent[0][0].topic, 'Fluent');
assert.equal(node._sent[0][1], null);
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 = [];
const intervals = [];
let tickCount = 0;
inst._tick = () => {
tickCount += 1;
};
const originalSetTimeout = global.setTimeout;
const originalSetInterval = global.setInterval;
global.setTimeout = (fn, ms) => {
delays.push(ms);
fn();
return 10;
};
global.setInterval = (fn, ms) => {
intervals.push(ms);
fn();
return 22;
};
try {
inst._startTickLoop();
} finally {
global.setTimeout = originalSetTimeout;
global.setInterval = originalSetInterval;
}
assert.deepEqual(delays, [1000]);
assert.deepEqual(intervals, [1000]);
assert.equal(inst._tickInterval, 22);
assert.equal(tickCount, 1);
});
test('_attachCloseHandler clears tick interval and calls done callback', () => {
const inst = Object.create(NodeClass.prototype);
const node = makeNodeStub();
inst.node = node;
inst._tickInterval = 55;
const cleared = [];
const originalClearInterval = global.clearInterval;
global.clearInterval = (id) => {
cleared.push(id);
};
let doneCalled = 0;
try {
inst._attachCloseHandler();
node._handlers.close(() => {
doneCalled += 1;
});
} finally {
global.clearInterval = originalClearInterval;
}
assert.deepEqual(cleared, [55]);
assert.equal(doneCalled, 1);
});

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const test = require('node:test');
const assert = require('node:assert/strict');
const { Reactor_CSTR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');
const DAY_MS = 1000 * 60 * 60 * 24;
test('registering upstream reactor subscribes to upstream stateChange events', () => {
const downstream = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR' }));
const upstream = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR' }));
let calledWith = null;
downstream.updateState = (timestamp) => {
calledWith = timestamp;
};
downstream.registerChild(upstream, 'reactor');
upstream.emitter.emit('stateChange', 12345);
assert.equal(downstream.upstreamReactor, upstream);
assert.equal(calledWith, 12345);
});
test('updateState pulls influent from upstream reactor effluent when linked', () => {
const downstream = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR', n_inlets: 1, timeStep: 1 }));
const upstream = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR', n_inlets: 1 }));
upstream.Fs[0] = 3;
upstream.state = Array(13).fill(11);
downstream.upstreamReactor = upstream;
downstream.currentTime = 0;
downstream.timeStep = 1;
downstream.speedUpFactor = 1;
let ticks = 0;
downstream.tick = () => {
ticks += 1;
return downstream.state;
};
downstream.updateState(DAY_MS);
assert.equal(ticks, 1);
assert.equal(downstream.Fs[0], 3);
assert.deepEqual(downstream.Cs_in[0], Array(13).fill(11));
});