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added implicit temperature limiting #61

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Merged
colemanjs merged 1 commit into from
Jun 23, 2025
Merged

added implicit temperature limiting #61

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7 changes: 7 additions & 0 deletions applications/solvers/additiveFoam/solutionControls.H
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,13 @@ scalar nThermoCorr =
scalar thermoTol =
pimple.dict().lookupOrDefault<scalar>("thermoTolerance", 1e-6);

dimensionedScalar Tmax
(
"Tmax",
T.dimensions(),
pimple.dict().lookupOrDefault<scalar>("Tmax", vGreat)
);

// Integrate the total power input to domain
const scalar totalPower = fvc::domainIntegrate(sources.qDot()).value();

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10 changes: 9 additions & 1 deletion applications/solvers/additiveFoam/thermo/TEqn.H
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Expand Up @@ -20,10 +20,18 @@
{
#include "thermo/thermoSource.H"

//- optional implicit limiting of temperature field
volScalarField A
(
"A",
dimensionedScalar(rho.dimensions()*Cp.dimensions(), 1e15)
*pos(T - Tmax)
);

//- solve the energy equation
solve
(
TEqn
TEqn + rDeltaT*(fvm::Sp(A, T) - A*Tmax)
==
(
(ddtScheme == "Euler")
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