Update to coupled solvers

This commit is contained in:
Hrvoje Jasak 2014-09-26 15:08:54 +01:00 committed by Dominik Christ
parent 1567f5c620
commit 815a4536aa
12 changed files with 345 additions and 43 deletions

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@ -0,0 +1,15 @@
{
// Calculate grad p coupling matrix. Needs to be here if one uses
// gradient schemes with limiters. VV, 9/June/2014
BlockLduSystem<vector, vector> pInU(fvm::grad(p));
// Calculate div U coupling. Could be calculated only once since
// it is only geometry dependent. VV, 9/June/2014
BlockLduSystem<vector, scalar> UInp(fvm::UDiv(U));
// Last argument in insertBlockCoupling says if the column direction
// should be incremented. This is needed for arbitrary positioning
// of U and p in the system. This could be better. VV, 30/April/2014
UpEqn.insertBlockCoupling(0, 3, pInU, true);
UpEqn.insertBlockCoupling(3, 0, UInp, false);
}

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@ -38,9 +38,9 @@ Authors
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "fvBlockMatrix.H"
#include "singlePhaseTransportModel.H"
#include "RASModel.H"
#include "fvBlockMatrix.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -54,9 +54,6 @@ int main(int argc, char *argv[])
# include "initContinuityErrs.H"
# include "readBlockSolverControls.H"
// Calculate div U coupling only once since it is only geometry dependant.
BlockLduSystem<vector, scalar> UInp(fvm::div(U));
Info<< "\nStarting time loop\n" << endl;
while (runTime.loop())
{
@ -73,15 +70,8 @@ int main(int argc, char *argv[])
// Assemble and insert pressure equation
# include "pEqn.H"
// Calculate grad p coupling matrix. Needs to be here if one uses
// gradient schemes with limiters. VV, 9/June/2014
BlockLduSystem<vector, vector> pInU(fvm::grad(p));
// Last argument in insertBlockCoupling says if the column direction
// should be incremented. This is needed for arbitrary positioning
// of U and p in the system. This could be better. VV, 30/April/2014
UpEqn.insertBlockCoupling(0, 3, pInU, true);
UpEqn.insertBlockCoupling(3, 0, UInp, false);
// Assemble and insert coupling terms
# include "couplingTerms.H"
// Solve the block matrix
UpEqn.solve();

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@ -103,7 +103,7 @@ tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
>
divScheme<Type>::fvmDiv
divScheme<Type>::fvmUDiv
(
const GeometricField<Type, fvPatchField, volMesh>& vf
) const
@ -128,6 +128,38 @@ divScheme<Type>::fvmDiv
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
>
divScheme<Type>::fvmUDiv
(
const surfaceScalarField& flux,
const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
FatalErrorIn
(
"tmp<BlockLduSystem> divScheme<Type>::fvmDiv\n"
"(\n"
" surfaceScalarField&"
" GeometricField<Type, fvPatchField, volMesh>&"
")\n"
) << "Implicit div operator currently defined only for Gauss linear. "
<< abort(FatalError);
typedef typename innerProduct<vector, Type>::type DivType;
tmp<BlockLduSystem<vector, DivType> > tbs
(
new BlockLduSystem<vector, DivType>(vf.mesh())
);
return tbs;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv

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@ -157,10 +157,19 @@ public:
virtual tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> fvmDiv
> fvmUDiv
(
const GeometricField<Type, fvPatchField, volMesh>&
) const;
virtual tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> fvmUDiv
(
const surfaceScalarField&,
const GeometricField<Type, fvPatchField, volMesh>&
) const;
};

View file

@ -72,14 +72,14 @@ template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> gaussDivScheme<Type>::fvmDiv
> gaussDivScheme<Type>::fvmUDiv
(
const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
FatalErrorIn
(
"tmp<BlockLduSystem> fvmDiv\n"
"tmp<BlockLduSystem> fvmUDiv\n"
"(\n"
" GeometricField<Type, fvPatchField, volMesh>&"
")\n"
@ -97,6 +97,37 @@ tmp
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> gaussDivScheme<Type>::fvmUDiv
(
const surfaceScalarField& flux,
const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
FatalErrorIn
(
"tmp<BlockLduSystem> fvmUDiv\n"
"(\n"
" const surfaceScalarField& flux"
" const GeometricField<Type, fvPatchField, volMesh>&"
")\n"
) << "Implicit div operator defined only for vector."
<< abort(FatalError);
typedef typename innerProduct<vector, Type>::type DivType;
tmp<BlockLduSystem<vector, DivType> > tbs
(
new BlockLduSystem<vector, DivType>(vf.mesh())
);
return tbs;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv

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@ -102,10 +102,19 @@ public:
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> fvmDiv
> fvmUDiv
(
const GeometricField<Type, fvPatchField, volMesh>&
) const;
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> fvmUDiv
(
const surfaceScalarField& flux,
const GeometricField<Type, fvPatchField, volMesh>&
) const;
};

View file

@ -42,7 +42,7 @@ namespace fv
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<>
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmDiv
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmUDiv
(
const GeometricField<vector, fvPatchField, volMesh>& vf
) const
@ -60,9 +60,9 @@ tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmDiv
scalarField& source = bs.source();
// Grab ldu parts of block matrix as linear always
typename CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
typename CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
typename CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
const vectorField& SfIn = mesh.Sf().internalField();
@ -89,9 +89,9 @@ tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmDiv
if (patch.coupled())
{
typename CoeffField<vector>::linearTypeField& pcoupleUpper =
CoeffField<vector>::linearTypeField& pcoupleUpper =
bs.coupleUpper()[patchI].asLinear();
typename CoeffField<vector>::linearTypeField& pcoupleLower =
CoeffField<vector>::linearTypeField& pcoupleLower =
bs.coupleLower()[patchI].asLinear();
const vectorField pcl = -pw*Sf;
@ -119,6 +119,95 @@ tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmDiv
}
template<>
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmUDiv
(
const surfaceScalarField& flux,
const GeometricField<vector, fvPatchField, volMesh>& vf
) const
{
tmp<surfaceScalarField> tweights = this->tinterpScheme_().weights(vf);
const scalarField& wIn = tweights().internalField();
const fvMesh& mesh = vf.mesh();
tmp<BlockLduSystem<vector, scalar> > tbs
(
new BlockLduSystem<vector, scalar>(mesh)
);
BlockLduSystem<vector, scalar>& bs = tbs();
scalarField& source = bs.source();
// Grab ldu parts of block matrix as linear always
CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
const vectorField& SfIn = mesh.Sf().internalField();
const scalarField& fluxIn = flux.internalField();
l = -wIn*fluxIn*SfIn;
u = l + fluxIn*SfIn;
bs.negSumDiag();
// Boundary contributions
forAll(vf.boundaryField(), patchI)
{
const fvPatchVectorField& pf = vf.boundaryField()[patchI];
const fvPatch& patch = pf.patch();
const vectorField& Sf = patch.Sf();
const fvsPatchScalarField& pw = tweights().boundaryField()[patchI];
const unallocLabelList& fc = patch.faceCells();
const scalarField& pFlux = flux.boundaryField()[patchI];
const vectorField internalCoeffs(pf.valueInternalCoeffs(pw));
// Diag contribution
forAll(pf, faceI)
{
d[fc[faceI]] += cmptMultiply
(
internalCoeffs[faceI],
pFlux[faceI]*Sf[faceI]
);
}
if (patch.coupled())
{
CoeffField<vector>::linearTypeField& pcoupleUpper =
bs.coupleUpper()[patchI].asLinear();
CoeffField<vector>::linearTypeField& pcoupleLower =
bs.coupleLower()[patchI].asLinear();
const vectorField pcl = -pw*pFlux*Sf;
const vectorField pcu = pcl + pFlux*Sf;
// Coupling contributions
pcoupleLower -= pcl;
pcoupleUpper -= pcu;
}
else
{
const vectorField boundaryCoeffs(pf.valueBoundaryCoeffs(pw));
// Boundary contribution
forAll(pf, faceI)
{
source[fc[faceI]] -=
(
boundaryCoeffs[faceI] & (pFlux[faceI]*Sf[faceI])
);
}
}
}
// Interpolation schemes with corrections not accounted for
return tbs;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv

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@ -51,11 +51,18 @@ namespace fv
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<>
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmDiv
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmUDiv
(
const GeometricField<vector, fvPatchField, volMesh>&
) const;
template<>
tmp<BlockLduSystem<vector, scalar> > gaussDivScheme<vector>::fvmUDiv
(
const surfaceScalarField& flux,
const GeometricField<vector, fvPatchField, volMesh>&
) const;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

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@ -103,7 +103,7 @@ template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> div
> UDiv
(
GeometricField<Type, fvPatchField, volMesh>& vf,
const word& name
@ -113,7 +113,7 @@ tmp
(
vf.mesh(),
vf.mesh().schemesDict().divScheme(name)
)().fvmDiv(vf);
)().fvmUDiv(vf);
}
@ -121,12 +121,52 @@ template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> div
> UDiv
(
const surfaceScalarField& flux,
GeometricField<Type, fvPatchField, volMesh>& vf,
const word& name
)
{
return fv::divScheme<Type>::New
(
vf.mesh(),
vf.mesh().schemesDict().divScheme(name)
)().fvmUDiv(flux, vf);
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const tmp<surfaceScalarField>& tflux,
GeometricField<Type, fvPatchField, volMesh>& vf,
const word& name
)
{
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
>
Div(fvm::UDiv(tflux(), vf, name));
tflux.clear();
return Div;
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
GeometricField<Type, fvPatchField, volMesh>& vf
)
{
return fvm::div
return fvm::UDiv
(
vf,
"div(" + vf.name() + ')'
@ -134,6 +174,45 @@ tmp
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const surfaceScalarField& flux,
GeometricField<Type, fvPatchField, volMesh>& vf
)
{
return fvm::UDiv
(
flux,
vf,
"div(" + vf.name() + ')'
);
}
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const tmp<surfaceScalarField>& tflux,
GeometricField<Type, fvPatchField, volMesh>& vf
)
{
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
>
Div(fvm::UDiv(tflux(), vf));
tflux.clear();
return Div;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fvm

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@ -68,7 +68,6 @@ namespace fvm
const word& name
);
template<class Type>
tmp<fvMatrix<Type> > div
(
@ -83,12 +82,12 @@ namespace fvm
GeometricField<Type, fvPatchField, volMesh>&
);
// Implicit div operator for block systems
// Implicit div operators for block systems
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> div
> UDiv
(
GeometricField<Type, fvPatchField, volMesh>&,
const word&
@ -98,8 +97,50 @@ namespace fvm
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> div
> UDiv
(
const surfaceScalarField&,
GeometricField<Type, fvPatchField, volMesh>&,
const word&
);
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const tmp<surfaceScalarField>&,
GeometricField<Type, fvPatchField, volMesh>&,
const word&
);
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
GeometricField<Type, fvPatchField, volMesh>&
);
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const surfaceScalarField&,
GeometricField<Type, fvPatchField, volMesh>&
);
template<class Type>
tmp
<
BlockLduSystem<vector, typename innerProduct<vector, Type>::type>
> UDiv
(
const tmp<surfaceScalarField>&,
GeometricField<Type, fvPatchField, volMesh>&
);
}

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@ -60,9 +60,9 @@ tmp<BlockLduSystem<vector, vector> > gaussGrad<scalar>::fvmGrad
vectorField& source = bs.source();
// Grab ldu parts of block matrix as linear always
typename CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
typename CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
typename CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
const vectorField& SfIn = mesh.Sf().internalField();
@ -89,9 +89,9 @@ tmp<BlockLduSystem<vector, vector> > gaussGrad<scalar>::fvmGrad
if (patch.coupled())
{
typename CoeffField<vector>::linearTypeField& pcoupleUpper =
CoeffField<vector>::linearTypeField& pcoupleUpper =
bs.coupleUpper()[patchI].asLinear();
typename CoeffField<vector>::linearTypeField& pcoupleLower =
CoeffField<vector>::linearTypeField& pcoupleLower =
bs.coupleLower()[patchI].asLinear();
const vectorField pcl = -pw*Sf;

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@ -80,9 +80,9 @@ tmp<BlockLduSystem<vector, vector> > leastSquaresGrad<scalar>::fvmGrad
vectorField& source = bs.source();
// Grab ldu parts of block matrix as linear always
typename CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
typename CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
typename CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
CoeffField<vector>::linearTypeField& d = bs.diag().asLinear();
CoeffField<vector>::linearTypeField& u = bs.upper().asLinear();
CoeffField<vector>::linearTypeField& l = bs.lower().asLinear();
// Get references to least square vectors
const leastSquaresVectors& lsv = leastSquaresVectors::New(mesh);
@ -125,9 +125,9 @@ tmp<BlockLduSystem<vector, vector> > leastSquaresGrad<scalar>::fvmGrad
const scalarField cellVInNei =
cellV.boundaryField()[patchI].patchNeighbourField();
typename CoeffField<vector>::linearTypeField& pcoupleUpper =
CoeffField<vector>::linearTypeField& pcoupleUpper =
bs.coupleUpper()[patchI].asLinear();
typename CoeffField<vector>::linearTypeField& pcoupleLower =
CoeffField<vector>::linearTypeField& pcoupleLower =
bs.coupleLower()[patchI].asLinear();
// Coupling and diagonal contributions