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ENH: Added relaxed nonOrthogonal laplacian corrector scheme
This commit is contained in:
mattijs
@ -467,6 +467,7 @@ $(convectionSchemes)/boundedConvectionScheme/boundedConvectionSchemes.C
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laplacianSchemes = finiteVolume/laplacianSchemes
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$(laplacianSchemes)/laplacianScheme/laplacianSchemes.C
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$(laplacianSchemes)/gaussLaplacianScheme/gaussLaplacianSchemes.C
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$(laplacianSchemes)/relaxedNonOrthoGaussLaplacianScheme/relaxedNonOrthoGaussLaplacianSchemes.C
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finiteVolume/fvc/fvcFlux.C
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finiteVolume/fvc/fvcMeshPhi.C
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@ -0,0 +1,276 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2019 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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||||
|
||||
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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||||
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\*---------------------------------------------------------------------------*/
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#include "relaxedNonOrthoGaussLaplacianScheme.H"
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#include "surfaceInterpolate.H"
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#include "fvcDiv.H"
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#include "fvcGrad.H"
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#include "fvMatrices.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace fv
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<class Type, class GType>
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tmp<fvMatrix<Type>>
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relaxedNonOrthoGaussLaplacianScheme<Type, GType>::fvmLaplacianUncorrected
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(
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const surfaceScalarField& gammaMagSf,
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const surfaceScalarField& deltaCoeffs,
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const GeometricField<Type, fvPatchField, volMesh>& vf
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)
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{
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tmp<fvMatrix<Type>> tfvm
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(
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new fvMatrix<Type>
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(
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vf,
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deltaCoeffs.dimensions()*gammaMagSf.dimensions()*vf.dimensions()
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)
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);
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fvMatrix<Type>& fvm = tfvm.ref();
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fvm.upper() = deltaCoeffs.primitiveField()*gammaMagSf.primitiveField();
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fvm.negSumDiag();
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forAll(vf.boundaryField(), patchi)
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{
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const fvPatchField<Type>& pvf = vf.boundaryField()[patchi];
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const fvsPatchScalarField& pGamma = gammaMagSf.boundaryField()[patchi];
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const fvsPatchScalarField& pDeltaCoeffs =
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deltaCoeffs.boundaryField()[patchi];
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if (pvf.coupled())
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{
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fvm.internalCoeffs()[patchi] =
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pGamma*pvf.gradientInternalCoeffs(pDeltaCoeffs);
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fvm.boundaryCoeffs()[patchi] =
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-pGamma*pvf.gradientBoundaryCoeffs(pDeltaCoeffs);
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}
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else
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{
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fvm.internalCoeffs()[patchi] = pGamma*pvf.gradientInternalCoeffs();
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fvm.boundaryCoeffs()[patchi] = -pGamma*pvf.gradientBoundaryCoeffs();
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}
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}
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return tfvm;
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}
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template<class Type, class GType>
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tmp<GeometricField<Type, fvsPatchField, surfaceMesh>>
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relaxedNonOrthoGaussLaplacianScheme<Type, GType>::gammaSnGradCorr
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(
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const surfaceVectorField& SfGammaCorr,
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const GeometricField<Type, fvPatchField, volMesh>& vf
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)
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{
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const fvMesh& mesh = this->mesh();
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tmp<GeometricField<Type, fvsPatchField, surfaceMesh>> tgammaSnGradCorr
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(
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new GeometricField<Type, fvsPatchField, surfaceMesh>
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(
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IOobject
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(
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"gammaSnGradCorr("+vf.name()+')',
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vf.instance(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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SfGammaCorr.dimensions()
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*vf.dimensions()*mesh.deltaCoeffs().dimensions()
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)
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);
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for (direction cmpt = 0; cmpt < pTraits<Type>::nComponents; cmpt++)
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{
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tgammaSnGradCorr.ref().replace
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(
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cmpt,
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fvc::dotInterpolate(SfGammaCorr, fvc::grad(vf.component(cmpt)))
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);
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}
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return tgammaSnGradCorr;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<class Type, class GType>
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tmp<GeometricField<Type, fvPatchField, volMesh>>
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relaxedNonOrthoGaussLaplacianScheme<Type, GType>::fvcLaplacian
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(
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const GeometricField<Type, fvPatchField, volMesh>& vf
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)
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{
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const fvMesh& mesh = this->mesh();
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tmp<GeometricField<Type, fvPatchField, volMesh>> tLaplacian
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(
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fvc::div(this->tsnGradScheme_().snGrad(vf)*mesh.magSf())
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);
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tLaplacian.ref().rename("laplacian(" + vf.name() + ')');
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return tLaplacian;
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}
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template<class Type, class GType>
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tmp<fvMatrix<Type>>
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relaxedNonOrthoGaussLaplacianScheme<Type, GType>::fvmLaplacian
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(
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const GeometricField<GType, fvsPatchField, surfaceMesh>& gamma,
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const GeometricField<Type, fvPatchField, volMesh>& vf
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)
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{
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const fvMesh& mesh = this->mesh();
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typedef GeometricField<Type, fvsPatchField, surfaceMesh> SType;
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const surfaceVectorField Sn(mesh.Sf()/mesh.magSf());
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const surfaceVectorField SfGamma(mesh.Sf() & gamma);
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const GeometricField<scalar, fvsPatchField, surfaceMesh> SfGammaSn
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(
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SfGamma & Sn
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);
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const surfaceVectorField SfGammaCorr(SfGamma - SfGammaSn*Sn);
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tmp<fvMatrix<Type>> tfvm = fvmLaplacianUncorrected
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(
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SfGammaSn,
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this->tsnGradScheme_().deltaCoeffs(vf),
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vf
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);
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fvMatrix<Type>& fvm = tfvm.ref();
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tmp<SType> tfaceFluxCorrection = gammaSnGradCorr(SfGammaCorr, vf);
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if (this->tsnGradScheme_().corrected())
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{
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tfaceFluxCorrection.ref() +=
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SfGammaSn*this->tsnGradScheme_().correction(vf);
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}
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const word corrName(tfaceFluxCorrection().name());
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tmp<SType> trelaxedCorrection(new SType(tfaceFluxCorrection()));
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const word oldName(corrName + "_0");
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const scalar relax(vf.mesh().equationRelaxationFactor(oldName));
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const objectRegistry& obr = vf.db();
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if (obr.foundObject<SType>(oldName))
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{
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SType& oldCorrection = obr.lookupObjectRef<SType>(oldName);
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trelaxedCorrection.ref() *= relax;
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trelaxedCorrection.ref() += (1.0-relax)*oldCorrection;
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oldCorrection = tfaceFluxCorrection;
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}
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else
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{
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SType* s = new SType(oldName, tfaceFluxCorrection);
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s->store();
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}
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fvm.source() -=
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mesh.V()
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*fvc::div
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(
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trelaxedCorrection()
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)().primitiveField();
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if (mesh.fluxRequired(vf.name()))
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{
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fvm.faceFluxCorrectionPtr() = trelaxedCorrection.ptr();
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}
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return tfvm;
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}
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template<class Type, class GType>
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tmp<GeometricField<Type, fvPatchField, volMesh>>
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relaxedNonOrthoGaussLaplacianScheme<Type, GType>::fvcLaplacian
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(
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const GeometricField<GType, fvsPatchField, surfaceMesh>& gamma,
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const GeometricField<Type, fvPatchField, volMesh>& vf
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)
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{
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const fvMesh& mesh = this->mesh();
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const surfaceVectorField Sn(mesh.Sf()/mesh.magSf());
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const surfaceVectorField SfGamma(mesh.Sf() & gamma);
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const GeometricField<scalar, fvsPatchField, surfaceMesh> SfGammaSn
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(
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SfGamma & Sn
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);
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const surfaceVectorField SfGammaCorr(SfGamma - SfGammaSn*Sn);
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tmp<GeometricField<Type, fvPatchField, volMesh>> tLaplacian
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(
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fvc::div
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(
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SfGammaSn*this->tsnGradScheme_().snGrad(vf)
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+ gammaSnGradCorr(SfGammaCorr, vf)
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)
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);
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tLaplacian.ref().rename
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(
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"laplacian(" + gamma.name() + ',' + vf.name() + ')'
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);
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return tLaplacian;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace fv
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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@ -0,0 +1,210 @@
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/*---------------------------------------------------------------------------*\
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========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | www.openfoam.com
|
||||
\\/ M anipulation |
|
||||
-------------------------------------------------------------------------------
|
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Copyright (C) 2019 OpenCFD Ltd.
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||||
-------------------------------------------------------------------------------
|
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License
|
||||
This file is part of OpenFOAM.
|
||||
|
||||
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
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Class
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Foam::fv::relaxedNonOrthoGaussLaplacianScheme
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Description
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Basic second-order laplacian using face-gradients and Gauss' theorem.
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Usage
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Minimal example by using \c system/fvSchemes:
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\verbatim
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laplacianSchemes
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{
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laplacian(<term>) relaxedNonOrthoGauss <other options>;
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}
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\endverbatim
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and by using \c system/fvSolution:
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\verbatim
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relaxationFactors
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{
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equations
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{
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<term> <relaxation factor>;
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}
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}
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\endverbatim
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SourceFiles
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relaxedNonOrthoGaussLaplacianScheme.C
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\*---------------------------------------------------------------------------*/
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#ifndef relaxedNonOrthoGaussLaplacianScheme_H
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#define relaxedNonOrthoGaussLaplacianScheme_H
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#include "laplacianScheme.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
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namespace fv
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{
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/*---------------------------------------------------------------------------*\
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Class relaxedNonOrthoGaussLaplacianScheme Declaration
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\*---------------------------------------------------------------------------*/
|
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template<class Type, class GType>
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class relaxedNonOrthoGaussLaplacianScheme
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:
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public fv::laplacianScheme<Type, GType>
|
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{
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// Private Member Functions
|
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|
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tmp<GeometricField<Type, fvsPatchField, surfaceMesh>> gammaSnGradCorr
|
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(
|
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const surfaceVectorField& SfGammaCorr,
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const GeometricField<Type, fvPatchField, volMesh>&
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);
|
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|
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//- No copy construct
|
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relaxedNonOrthoGaussLaplacianScheme
|
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(
|
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const relaxedNonOrthoGaussLaplacianScheme&
|
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) = delete;
|
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|
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//- No copy assignment
|
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void operator=(const relaxedNonOrthoGaussLaplacianScheme&) = delete;
|
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|
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|
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public:
|
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|
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//- Runtime type information
|
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TypeName("relaxedNonOrthoGauss");
|
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|
||||
|
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// Constructors
|
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|
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//- Construct null
|
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relaxedNonOrthoGaussLaplacianScheme(const fvMesh& mesh)
|
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:
|
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laplacianScheme<Type, GType>(mesh)
|
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{}
|
||||
|
||||
//- Construct from Istream
|
||||
relaxedNonOrthoGaussLaplacianScheme(const fvMesh& mesh, Istream& is)
|
||||
:
|
||||
laplacianScheme<Type, GType>(mesh, is)
|
||||
{}
|
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|
||||
//- Construct from mesh, interpolation and snGradScheme schemes
|
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relaxedNonOrthoGaussLaplacianScheme
|
||||
(
|
||||
const fvMesh& mesh,
|
||||
const tmp<surfaceInterpolationScheme<GType>>& igs,
|
||||
const tmp<snGradScheme<Type>>& sngs
|
||||
)
|
||||
:
|
||||
laplacianScheme<Type, GType>(mesh, igs, sngs)
|
||||
{}
|
||||
|
||||
|
||||
//- Destructor
|
||||
virtual ~relaxedNonOrthoGaussLaplacianScheme() = default;
|
||||
|
||||
|
||||
// Member Functions
|
||||
|
||||
static tmp<fvMatrix<Type>> fvmLaplacianUncorrected
|
||||
(
|
||||
const surfaceScalarField& gammaMagSf,
|
||||
const surfaceScalarField& deltaCoeffs,
|
||||
const GeometricField<Type, fvPatchField, volMesh>&
|
||||
);
|
||||
|
||||
tmp<GeometricField<Type, fvPatchField, volMesh>> fvcLaplacian
|
||||
(
|
||||
const GeometricField<Type, fvPatchField, volMesh>&
|
||||
);
|
||||
|
||||
tmp<fvMatrix<Type>> fvmLaplacian
|
||||
(
|
||||
const GeometricField<GType, fvsPatchField, surfaceMesh>&,
|
||||
const GeometricField<Type, fvPatchField, volMesh>&
|
||||
);
|
||||
|
||||
tmp<GeometricField<Type, fvPatchField, volMesh>> fvcLaplacian
|
||||
(
|
||||
const GeometricField<GType, fvsPatchField, surfaceMesh>&,
|
||||
const GeometricField<Type, fvPatchField, volMesh>&
|
||||
);
|
||||
};
|
||||
|
||||
|
||||
// Use macros to emulate partial-specialisation of the Laplacian functions
|
||||
// for scalar diffusivity gamma
|
||||
|
||||
#define defineFvmLaplacianScalarGamma(Type) \
|
||||
\
|
||||
template<> \
|
||||
tmp<fvMatrix<Type>> \
|
||||
relaxedNonOrthoGaussLaplacianScheme<Type, scalar>::fvmLaplacian \
|
||||
( \
|
||||
const GeometricField<scalar, fvsPatchField, surfaceMesh>&, \
|
||||
const GeometricField<Type, fvPatchField, volMesh>& \
|
||||
); \
|
||||
\
|
||||
template<> \
|
||||
tmp<GeometricField<Type, fvPatchField, volMesh>> \
|
||||
relaxedNonOrthoGaussLaplacianScheme<Type, scalar>::fvcLaplacian \
|
||||
( \
|
||||
const GeometricField<scalar, fvsPatchField, surfaceMesh>&, \
|
||||
const GeometricField<Type, fvPatchField, volMesh>& \
|
||||
);
|
||||
|
||||
|
||||
defineFvmLaplacianScalarGamma(scalar);
|
||||
defineFvmLaplacianScalarGamma(vector);
|
||||
defineFvmLaplacianScalarGamma(sphericalTensor);
|
||||
defineFvmLaplacianScalarGamma(symmTensor);
|
||||
defineFvmLaplacianScalarGamma(tensor);
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
} // End namespace fv
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
} // End namespace Foam
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#ifdef NoRepository
|
||||
#include "relaxedNonOrthoGaussLaplacianScheme.C"
|
||||
#endif
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#endif
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,140 @@
|
||||
/*---------------------------------------------------------------------------*\
|
||||
========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | www.openfoam.com
|
||||
\\/ M anipulation |
|
||||
-------------------------------------------------------------------------------
|
||||
Copyright (C) 2019 OpenCFD Ltd.
|
||||
-------------------------------------------------------------------------------
|
||||
License
|
||||
This file is part of OpenFOAM.
|
||||
|
||||
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
#include "relaxedNonOrthoGaussLaplacianScheme.H"
|
||||
#include "fvMesh.H"
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
makeFvLaplacianScheme(relaxedNonOrthoGaussLaplacianScheme)
|
||||
|
||||
#define declareFvmLaplacianScalarGamma(Type) \
|
||||
\
|
||||
template<> \
|
||||
Foam::tmp<Foam::fvMatrix<Foam::Type>> \
|
||||
Foam::fv::relaxedNonOrthoGaussLaplacianScheme<Foam::Type, Foam::scalar>:: \
|
||||
fvmLaplacian \
|
||||
( \
|
||||
const GeometricField<scalar, fvsPatchField, surfaceMesh>& gamma, \
|
||||
const GeometricField<Type, fvPatchField, volMesh>& vf \
|
||||
) \
|
||||
{ \
|
||||
const fvMesh& mesh = this->mesh(); \
|
||||
\
|
||||
typedef GeometricField<Type, fvsPatchField, surfaceMesh> SType; \
|
||||
\
|
||||
GeometricField<scalar, fvsPatchField, surfaceMesh> gammaMagSf \
|
||||
( \
|
||||
gamma*mesh.magSf() \
|
||||
); \
|
||||
\
|
||||
tmp<fvMatrix<Type>> tfvm = fvmLaplacianUncorrected \
|
||||
( \
|
||||
gammaMagSf, \
|
||||
this->tsnGradScheme_().deltaCoeffs(vf), \
|
||||
vf \
|
||||
); \
|
||||
fvMatrix<Type>& fvm = tfvm.ref(); \
|
||||
\
|
||||
if (this->tsnGradScheme_().corrected()) \
|
||||
{ \
|
||||
tmp<SType> tCorr(this->tsnGradScheme_().correction(vf)); \
|
||||
const word corrName(tCorr().name()); \
|
||||
tmp<SType> tfaceFluxCorrection(gammaMagSf*tCorr); \
|
||||
\
|
||||
tmp<SType> trelaxedCorrection(new SType(tfaceFluxCorrection())); \
|
||||
\
|
||||
const word oldName(corrName + "_0"); \
|
||||
const scalar relax(vf.mesh().equationRelaxationFactor(corrName)); \
|
||||
const objectRegistry& obr = vf.db(); \
|
||||
if (obr.foundObject<SType>(oldName)) \
|
||||
{ \
|
||||
SType& oldCorrection = obr.lookupObjectRef<SType>(oldName); \
|
||||
trelaxedCorrection.ref() *= relax; \
|
||||
trelaxedCorrection.ref() += (1.0-relax)*oldCorrection; \
|
||||
\
|
||||
oldCorrection = trelaxedCorrection(); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
SType* s = new SType(oldName, tfaceFluxCorrection); \
|
||||
s->store(); \
|
||||
} \
|
||||
\
|
||||
tmp<Field<Type>> tcorr \
|
||||
( \
|
||||
mesh.V() \
|
||||
*fvc::div \
|
||||
( \
|
||||
trelaxedCorrection() \
|
||||
)().primitiveField() \
|
||||
); \
|
||||
\
|
||||
fvm.source() -= tcorr(); \
|
||||
\
|
||||
if (mesh.fluxRequired(vf.name())) \
|
||||
{ \
|
||||
fvm.faceFluxCorrectionPtr() = trelaxedCorrection.ptr(); \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
return tfvm; \
|
||||
} \
|
||||
\
|
||||
\
|
||||
template<> \
|
||||
Foam::tmp<Foam::GeometricField<Foam::Type, Foam::fvPatchField, Foam::volMesh>> \
|
||||
Foam::fv::relaxedNonOrthoGaussLaplacianScheme<Foam::Type, Foam::scalar>::fvcLaplacian \
|
||||
( \
|
||||
const GeometricField<scalar, fvsPatchField, surfaceMesh>& gamma, \
|
||||
const GeometricField<Type, fvPatchField, volMesh>& vf \
|
||||
) \
|
||||
{ \
|
||||
const fvMesh& mesh = this->mesh(); \
|
||||
\
|
||||
tmp<GeometricField<Type, fvPatchField, volMesh>> tLaplacian \
|
||||
( \
|
||||
fvc::div(gamma*this->tsnGradScheme_().snGrad(vf)*mesh.magSf()) \
|
||||
); \
|
||||
\
|
||||
tLaplacian.ref().rename \
|
||||
( \
|
||||
"laplacian(" + gamma.name() + ',' + vf.name() + ')' \
|
||||
); \
|
||||
\
|
||||
return tLaplacian; \
|
||||
}
|
||||
|
||||
|
||||
declareFvmLaplacianScalarGamma(scalar);
|
||||
declareFvmLaplacianScalarGamma(vector);
|
||||
declareFvmLaplacianScalarGamma(sphericalTensor);
|
||||
declareFvmLaplacianScalarGamma(symmTensor);
|
||||
declareFvmLaplacianScalarGamma(tensor);
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
Reference in New Issue
Block a user