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Use improved boundary conditions for upstream and downstream reactors

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p.vanderwilt
2025-09-29 15:34:54 +02:00
parent 04306d0996
commit 6c79d0ef9b
1 changed files with 21 additions and 11 deletions
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18
src/specificClass.js
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@@ -27,6 +27,7 @@ class Reactor {
this.measurements = new MeasurementContainer(); this.measurements = new MeasurementContainer();
this.upstreamReactor = null; this.upstreamReactor = null;
this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
this.parent = null; // Gets assigned via child registration
this.asm = new ASM3(); this.asm = new ASM3();
@@ -126,7 +127,6 @@ class Reactor {
position = measurement.config.functionality.positionVsParent; position = measurement.config.functionality.positionVsParent;
} }
const measurementType = measurement.config.asset.type; const measurementType = measurement.config.asset.type;
const key = `${measurementType}_${position}`;
const eventName = `${measurementType}.measured.${position}`; const eventName = `${measurementType}.measured.${position}`;
// Register event listener for measurement updates // Register event listener for measurement updates
@@ -145,13 +145,13 @@ class Reactor {
} }
_connectReactor(reactor) { _connectReactor(reactorChild) {
if (!reactor) { if (!reactorChild) {
this.logger.warn("Invalid reactor provided."); this.logger.warn("Invalid reactor provided.");
return; return;
} }
this.upstreamReactor = reactor; this.upstreamReactor = reactorChild;
reactor.emitter.on("stateChange", (data) => { reactor.emitter.on("stateChange", (data) => {
this.logger.debug(`State change of upstream reactor detected.`); this.logger.debug(`State change of upstream reactor detected.`);
@@ -338,6 +338,9 @@ class Reactor_PFR extends Reactor {
* @param {Array} state - Current reactor state without enforced BCs. * @param {Array} state - Current reactor state without enforced BCs.
*/ */
_applyBoundaryConditions(state) { _applyBoundaryConditions(state) {
if (this.upstreamReactor) {
state[0] = this.upstreamReactor.state[this.n_x-1];
} else {
if (math.sum(this.Fs) > 0) { // Danckwerts BC 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_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); const BC_dispersion_term = (1-this.alpha)*this.D*this.A/(math.sum(this.Fs)*this.d_x);
@@ -345,9 +348,16 @@ class Reactor_PFR extends Reactor {
} else { } else {
state[0] = state[1]; state[0] = state[1];
} }
}
const downstreamReactor = this.parent;
if (downstreamReactor) {
state[this.n_x-1] = downstreamReactor.state[0];
} else {
// Neumann BC (no flux) // Neumann BC (no flux)
state[this.n_x-1] = state[this.n_x-2]; state[this.n_x-1] = state[this.n_x-2];
} }
}
/** /**
* Create finite difference first derivative operator. * Create finite difference first derivative operator.