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PDRkEpsilon: Removed second bounding of epsilon to avoid turbulence-combustion coupling instability

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This commit is contained in:
Henry Weller
2024-06-26 15:59:20 +01:00
parent 8bf9afff11
commit b8ad3a9036
2 changed files with 7 additions and 7 deletions
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10
applications/legacy/combustion/PDRFoam/PDRModels/turbulence/PDRkEpsilon/PDRkEpsilon.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2023 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2024 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -46,16 +46,16 @@ addToRunTimeSelectionTable(RASModel, PDRkEpsilon, dictionary);
tmp<volScalarField> PDRkEpsilon::boundEpsilon()
{
tmp<volScalarField> tCmuk2(Cmu_*sqr(k_));
epsilon_ = max(epsilon_, tCmuk2()/(this->nutMaxCoeff_*this->nu()));
epsilon_ = max(epsilon_, tCmuk2()/(nutMaxCoeff_*nu()));
return tCmuk2;
}
void PDRkEpsilon::correctNut()
{
this->nut_ = boundEpsilon()/epsilon_;
this->nut_.correctBoundaryConditions();
fvConstraints::New(this->mesh_).constrain(this->nut_);
nut_ = Cmu_*sqr(k_)/epsilon_;
nut_.correctBoundaryConditions();
fvConstraints::New(mesh_).constrain(nut_);
}

4
tutorials/legacy/combustion/PDRFoam/flamePropagationWithObstacles/system/controlDict
View File

@ -16,7 +16,7 @@ FoamFile
application PDRFoam;
startFrom latestTime;
startFrom startTime;
startTime 0;
@ -32,7 +32,7 @@ writeInterval 0.01;
purgeWrite 0;
writeFormat ascii;
writeFormat binary;
writePrecision 8;