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fvMatrix.C
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fvMatrix.C
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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 "volFields.H"
#include "surfaceFields.H"
#include "calculatedFvPatchFields.H"
#include "extrapolatedCalculatedFvPatchFields.H"
#include "coupledFvPatchFields.H"
#include "UIndirectList.H"
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
template<class Type>
template<class Type2>
void Foam::fvMatrix<Type>::addToInternalField
(
const labelUList& addr,
const Field<Type2>& pf,
Field<Type2>& intf
) const
{
if (addr.size() != pf.size())
{
FatalErrorInFunction
<< "sizes of addressing and field are different"
<< abort(FatalError);
}
forAll(addr, facei)
{
intf[addr[facei]] += pf[facei];
}
}
template<class Type>
template<class Type2>
void Foam::fvMatrix<Type>::addToInternalField
(
const labelUList& addr,
const tmp<Field<Type2>>& tpf,
Field<Type2>& intf
) const
{
addToInternalField(addr, tpf(), intf);
tpf.clear();
}
template<class Type>
template<class Type2>
void Foam::fvMatrix<Type>::subtractFromInternalField
(
const labelUList& addr,
const Field<Type2>& pf,
Field<Type2>& intf
) const
{
if (addr.size() != pf.size())
{
FatalErrorInFunction
<< "sizes of addressing and field are different"
<< abort(FatalError);
}
forAll(addr, facei)
{
intf[addr[facei]] -= pf[facei];
}
}
template<class Type>
template<class Type2>
void Foam::fvMatrix<Type>::subtractFromInternalField
(
const labelUList& addr,
const tmp<Field<Type2>>& tpf,
Field<Type2>& intf
) const
{
subtractFromInternalField(addr, tpf(), intf);
tpf.clear();
}
template<class Type>
void Foam::fvMatrix<Type>::addBoundaryDiag
(
scalarField& diag,
const direction solveCmpt
) const
{
forAll(internalCoeffs_, patchi)
{
addToInternalField
(
lduAddr().patchAddr(patchi),
internalCoeffs_[patchi].component(solveCmpt),
diag
);
}
}
template<class Type>
void Foam::fvMatrix<Type>::addCmptAvBoundaryDiag(scalarField& diag) const
{
forAll(internalCoeffs_, patchi)
{
addToInternalField
(
lduAddr().patchAddr(patchi),
cmptAv(internalCoeffs_[patchi]),
diag
);
}
}
template<class Type>
void Foam::fvMatrix<Type>::addBoundarySource
(
Field<Type>& source,
const bool couples
) const
{
forAll(psi_.boundaryField(), patchi)
{
const fvPatchField<Type>& ptf = psi_.boundaryField()[patchi];
const Field<Type>& pbc = boundaryCoeffs_[patchi];
if (!ptf.coupled())
{
addToInternalField(lduAddr().patchAddr(patchi), pbc, source);
}
else if (couples)
{
const tmp<Field<Type>> tpnf = ptf.patchNeighbourField();
const Field<Type>& pnf = tpnf();
const labelUList& addr = lduAddr().patchAddr(patchi);
forAll(addr, facei)
{
source[addr[facei]] += cmptMultiply(pbc[facei], pnf[facei]);
}
}
}
}
template<class Type>
template<template<class> class ListType>
void Foam::fvMatrix<Type>::setValuesFromList
(
const labelUList& cellLabels,
const ListType<Type>& values
)
{
const fvMesh& mesh = psi_.mesh();
const cellList& cells = mesh.cells();
const labelUList& own = mesh.owner();
const labelUList& nei = mesh.neighbour();
scalarField& Diag = diag();
Field<Type>& psi =
const_cast
<
GeometricField<Type, fvPatchField, volMesh>&
>(psi_).primitiveFieldRef();
forAll(cellLabels, i)
{
const label celli = cellLabels[i];
const Type& value = values[i];
psi[celli] = value;
source_[celli] = value*Diag[celli];
if (symmetric() || asymmetric())
{
const cell& c = cells[celli];
forAll(c, j)
{
const label facei = c[j];
if (mesh.isInternalFace(facei))
{
if (symmetric())
{
if (celli == own[facei])
{
source_[nei[facei]] -= upper()[facei]*value;
}
else
{
source_[own[facei]] -= upper()[facei]*value;
}
upper()[facei] = 0.0;
}
else
{
if (celli == own[facei])
{
source_[nei[facei]] -= lower()[facei]*value;
}
else
{
source_[own[facei]] -= upper()[facei]*value;
}
upper()[facei] = 0.0;
lower()[facei] = 0.0;
}
}
else
{
label patchi = mesh.boundaryMesh().whichPatch(facei);
if (internalCoeffs_[patchi].size())
{
label patchFacei =
mesh.boundaryMesh()[patchi].whichFace(facei);
internalCoeffs_[patchi][patchFacei] =
Zero;
boundaryCoeffs_[patchi][patchFacei] =
Zero;
}
}
}
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class Type>
Foam::fvMatrix<Type>::fvMatrix
(
const GeometricField<Type, fvPatchField, volMesh>& psi,
const dimensionSet& ds
)
:
lduMatrix(psi.mesh()),
psi_(psi),
dimensions_(ds),
source_(psi.size(), Zero),
internalCoeffs_(psi.mesh().boundary().size()),
boundaryCoeffs_(psi.mesh().boundary().size()),
faceFluxCorrectionPtr_(nullptr)
{
if (debug)
{
InfoInFunction
<< "Constructing fvMatrix<Type> for field " << psi_.name() << endl;
}
// Initialise coupling coefficients
forAll(psi.mesh().boundary(), patchi)
{
internalCoeffs_.set
(
patchi,
new Field<Type>
(
psi.mesh().boundary()[patchi].size(),
Zero
)
);
boundaryCoeffs_.set
(
patchi,
new Field<Type>
(
psi.mesh().boundary()[patchi].size(),
Zero
)
);
}
// Update the boundary coefficients of psi without changing its event No.
GeometricField<Type, fvPatchField, volMesh>& psiRef =
const_cast<GeometricField<Type, fvPatchField, volMesh>&>(psi_);
label currentStatePsi = psiRef.eventNo();
psiRef.boundaryFieldRef().updateCoeffs();
psiRef.eventNo() = currentStatePsi;
}
template<class Type>
Foam::fvMatrix<Type>::fvMatrix(const fvMatrix<Type>& fvm)
:
tmp<fvMatrix<Type>>::refCount(),
lduMatrix(fvm),
psi_(fvm.psi_),
dimensions_(fvm.dimensions_),
source_(fvm.source_),
internalCoeffs_(fvm.internalCoeffs_),
boundaryCoeffs_(fvm.boundaryCoeffs_),
faceFluxCorrectionPtr_(nullptr)
{
if (debug)
{
InfoInFunction
<< "Copying fvMatrix<Type> for field " << psi_.name() << endl;
}
if (fvm.faceFluxCorrectionPtr_)
{
faceFluxCorrectionPtr_ = new
GeometricField<Type, fvsPatchField, surfaceMesh>
(
*(fvm.faceFluxCorrectionPtr_)
);
}
}
template<class Type>
Foam::fvMatrix<Type>::fvMatrix(const tmp<fvMatrix<Type>>& tfvm)
:
lduMatrix
(
const_cast<fvMatrix<Type>&>(tfvm()),
tfvm.isTmp()
),
psi_(tfvm().psi_),
dimensions_(tfvm().dimensions_),
source_
(
const_cast<fvMatrix<Type>&>(tfvm()).source_,
tfvm.isTmp()
),
internalCoeffs_
(
const_cast<fvMatrix<Type>&>(tfvm()).internalCoeffs_,
tfvm.isTmp()
),
boundaryCoeffs_
(
const_cast<fvMatrix<Type>&>(tfvm()).boundaryCoeffs_,
tfvm.isTmp()
),
faceFluxCorrectionPtr_(nullptr)
{
if (debug)
{
InfoInFunction
<< "Copying fvMatrix<Type> for field " << psi_.name() << endl;
}
if (tfvm().faceFluxCorrectionPtr_)
{
if (tfvm.isTmp())
{
faceFluxCorrectionPtr_ = tfvm().faceFluxCorrectionPtr_;
tfvm().faceFluxCorrectionPtr_ = nullptr;
}
else
{
faceFluxCorrectionPtr_ = new
GeometricField<Type, fvsPatchField, surfaceMesh>
(
*(tfvm().faceFluxCorrectionPtr_)
);
}
}
tfvm.clear();
}
template<class Type>
Foam::fvMatrix<Type>::fvMatrix
(
const GeometricField<Type, fvPatchField, volMesh>& psi,
Istream& is
)
:
lduMatrix(psi.mesh()),
psi_(psi),
dimensions_(is),
source_(is),
internalCoeffs_(psi.mesh().boundary().size()),
boundaryCoeffs_(psi.mesh().boundary().size()),
faceFluxCorrectionPtr_(nullptr)
{
if (debug)
{
InfoInFunction
<< "Constructing fvMatrix<Type> for field " << psi_.name() << endl;
}
// Initialise coupling coefficients
forAll(psi.mesh().boundary(), patchi)
{
internalCoeffs_.set
(
patchi,
new Field<Type>
(
psi.mesh().boundary()[patchi].size(),
Zero
)
);
boundaryCoeffs_.set
(
patchi,
new Field<Type>
(
psi.mesh().boundary()[patchi].size(),
Zero
)
);
}
}
template<class Type>
Foam::tmp<Foam::fvMatrix<Type>> Foam::fvMatrix<Type>::clone() const
{
return tmp<fvMatrix<Type>>
(
new fvMatrix<Type>(*this)
);
}
// * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * * * //
template<class Type>
Foam::fvMatrix<Type>::~fvMatrix()
{
if (debug)
{
InfoInFunction
<< "Destroying fvMatrix<Type> for field " << psi_.name() << endl;
}
if (faceFluxCorrectionPtr_)
{
delete faceFluxCorrectionPtr_;
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
void Foam::fvMatrix<Type>::setValues
(
const labelUList& cellLabels,
const UList<Type>& values
)
{
this->setValuesFromList(cellLabels, values);
}
template<class Type>
void Foam::fvMatrix<Type>::setValues
(
const labelUList& cellLabels,
const UIndirectList<Type>& values
)
{
this->setValuesFromList(cellLabels, values);
}
template<class Type>
void Foam::fvMatrix<Type>::setReference
(
const label celli,
const Type& value,
const bool forceReference
)
{
if ((forceReference || psi_.needReference()) && celli >= 0)
{
source()[celli] += diag()[celli]*value;
diag()[celli] += diag()[celli];
}
}
template<class Type>
void Foam::fvMatrix<Type>::relax(const scalar alpha)
{
if (alpha <= 0)
{
return;
}
if (debug)
{
InfoInFunction
<< "Relaxing " << psi_.name() << " by " << alpha << endl;
}
Field<Type>& S = source();
scalarField& D = diag();
// Store the current unrelaxed diagonal for use in updating the source
scalarField D0(D);
// Calculate the sum-mag off-diagonal from the interior faces
scalarField sumOff(D.size(), 0.0);
sumMagOffDiag(sumOff);
// Handle the boundary contributions to the diagonal
forAll(psi_.boundaryField(), patchi)
{
const fvPatchField<Type>& ptf = psi_.boundaryField()[patchi];
if (ptf.size())
{
const labelUList& pa = lduAddr().patchAddr(patchi);
Field<Type>& iCoeffs = internalCoeffs_[patchi];
if (ptf.coupled())
{
const Field<Type>& pCoeffs = boundaryCoeffs_[patchi];
// For coupled boundaries add the diagonal and
// off-diagonal contributions
forAll(pa, face)
{
D[pa[face]] += component(iCoeffs[face], 0);
sumOff[pa[face]] += mag(component(pCoeffs[face], 0));
}
}
else
{
// For non-coupled boundaries add the maximum magnitude diagonal
// contribution to ensure stability
forAll(pa, face)
{
D[pa[face]] += cmptMax(cmptMag(iCoeffs[face]));
}
}
}
}
if (debug)
{
// Calculate amount of non-dominance.
label nNon = 0;
scalar maxNon = 0.0;
scalar sumNon = 0.0;
forAll(D, celli)
{
scalar d = (sumOff[celli] - D[celli])/mag(D[celli]);
if (d > 0)
{
nNon++;
maxNon = max(maxNon, d);
sumNon += d;
}
}
reduce(nNon, sumOp<label>(), UPstream::msgType(), psi_.mesh().comm());
reduce
(
maxNon,
maxOp<scalar>(),
UPstream::msgType(),
psi_.mesh().comm()
);
reduce
(
sumNon,
sumOp<scalar>(),
UPstream::msgType(),
psi_.mesh().comm()
);
sumNon /= returnReduce
(
D.size(),
sumOp<label>(),
UPstream::msgType(),
psi_.mesh().comm()
);
InfoInFunction
<< "Matrix dominance test for " << psi_.name() << nl
<< " number of non-dominant cells : " << nNon << nl
<< " maximum relative non-dominance : " << maxNon << nl
<< " average relative non-dominance : " << sumNon << nl
<< endl;
}
// Ensure the matrix is diagonally dominant...
// Assumes that the central coefficient is positive and ensures it is
forAll(D, celli)
{
D[celli] = max(mag(D[celli]), sumOff[celli]);
}
// ... then relax
D /= alpha;
// Now remove the diagonal contribution from coupled boundaries
forAll(psi_.boundaryField(), patchi)
{
const fvPatchField<Type>& ptf = psi_.boundaryField()[patchi];
if (ptf.size())
{
const labelUList& pa = lduAddr().patchAddr(patchi);
Field<Type>& iCoeffs = internalCoeffs_[patchi];
if (ptf.coupled())
{
forAll(pa, face)
{
D[pa[face]] -= component(iCoeffs[face], 0);
}
}
else
{
forAll(pa, face)
{
D[pa[face]] -= cmptMin(iCoeffs[face]);
}
}
}
}
// Finally add the relaxation contribution to the source.
S += (D - D0)*psi_.primitiveField();
}
template<class Type>
void Foam::fvMatrix<Type>::relax()
{
if
(
psi_.mesh().data::template lookupOrDefault<bool>
("finalIteration", false)
&& psi_.mesh().relaxEquation(psi_.name() + "Final")
)
{
relax(psi_.mesh().equationRelaxationFactor(psi_.name() + "Final"));
}
else if (psi_.mesh().relaxEquation(psi_.name()))
{
relax(psi_.mesh().equationRelaxationFactor(psi_.name()));
}
}
template<class Type>
void Foam::fvMatrix<Type>::boundaryManipulate
(
typename GeometricField<Type, fvPatchField, volMesh>::
Boundary& bFields
)
{
forAll(bFields, patchi)
{
bFields[patchi].manipulateMatrix(*this);
}
}
template<class Type>
Foam::tmp<Foam::scalarField> Foam::fvMatrix<Type>::D() const
{
tmp<scalarField> tdiag(new scalarField(diag()));
addCmptAvBoundaryDiag(tdiag.ref());
return tdiag;
}
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::fvMatrix<Type>::DD() const
{
tmp<Field<Type>> tdiag(pTraits<Type>::one*diag());
forAll(psi_.boundaryField(), patchi)
{
const fvPatchField<Type>& ptf = psi_.boundaryField()[patchi];
if (!ptf.coupled() && ptf.size())
{
addToInternalField
(
lduAddr().patchAddr(patchi),
internalCoeffs_[patchi],
tdiag.ref()
);
}
}
return tdiag;
}
template<class Type>
Foam::tmp<Foam::volScalarField> Foam::fvMatrix<Type>::A() const
{
tmp<volScalarField> tAphi
(
volScalarField::New
(
"A("+psi_.name()+')',
psi_.mesh(),
dimensions_/psi_.dimensions()/dimVol,
extrapolatedCalculatedFvPatchScalarField::typeName
)
);
tAphi.ref().primitiveFieldRef() = D()/psi_.mesh().V();
tAphi.ref().correctBoundaryConditions();
return tAphi;
}
template<class Type>
Foam::tmp<Foam::GeometricField<Type, Foam::fvPatchField, Foam::volMesh>>
Foam::fvMatrix<Type>::H() const
{
tmp<GeometricField<Type, fvPatchField, volMesh>> tHphi
(
new GeometricField<Type, fvPatchField, volMesh>
(
IOobject
(
"H("+psi_.name()+')',
psi_.instance(),
psi_.mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
psi_.mesh(),
dimensions_/dimVol,
extrapolatedCalculatedFvPatchScalarField::typeName
)
);
GeometricField<Type, fvPatchField, volMesh>& Hphi = tHphi.ref();
// Loop over field components
for (direction cmpt=0; cmpt<Type::nComponents; cmpt++)
{
scalarField psiCmpt(psi_.primitiveField().component(cmpt));
scalarField boundaryDiagCmpt(psi_.size(), 0.0);
addBoundaryDiag(boundaryDiagCmpt, cmpt);
boundaryDiagCmpt.negate();
addCmptAvBoundaryDiag(boundaryDiagCmpt);
Hphi.primitiveFieldRef().replace(cmpt, boundaryDiagCmpt*psiCmpt);
}
Hphi.primitiveFieldRef() += lduMatrix::H(psi_.primitiveField()) + source_;
addBoundarySource(Hphi.primitiveFieldRef());
Hphi.primitiveFieldRef() /= psi_.mesh().V();
Hphi.correctBoundaryConditions();
typename Type::labelType validComponents
(
psi_.mesh().template validComponents<Type>()
);
for (direction cmpt=0; cmpt<Type::nComponents; cmpt++)
{
if (validComponents[cmpt] == -1)
{
Hphi.replace
(
cmpt,
dimensionedScalar(Hphi.dimensions(), 0)
);
}
}
return tHphi;
}
template<class Type>
Foam::tmp<Foam::volScalarField> Foam::fvMatrix<Type>::H1() const
{
tmp<volScalarField> tH1
(
volScalarField::New
(
"H(1)",
psi_.mesh(),
dimensions_/(dimVol*psi_.dimensions()),
extrapolatedCalculatedFvPatchScalarField::typeName
)
);
volScalarField& H1_ = tH1.ref();
H1_.primitiveFieldRef() = lduMatrix::H1();
forAll(psi_.boundaryField(), patchi)
{
const fvPatchField<Type>& ptf = psi_.boundaryField()[patchi];
if (ptf.coupled() && ptf.size())
{
addToInternalField
(
lduAddr().patchAddr(patchi),
boundaryCoeffs_[patchi].component(0),
H1_
);
}
}
H1_.primitiveFieldRef() /= psi_.mesh().V();
H1_.correctBoundaryConditions();
return tH1;
}
template<class Type>
Foam::tmp<Foam::GeometricField<Type, Foam::fvsPatchField, Foam::surfaceMesh>>
Foam::fvMatrix<Type>::
flux() const
{
if (!psi_.mesh().fluxRequired(psi_.name()))
{
FatalErrorInFunction
<< "flux requested but " << psi_.name()
<< " not specified in the fluxRequired sub-dictionary"
" of fvSchemes."
<< abort(FatalError);
}
// construct GeometricField<Type, fvsPatchField, surfaceMesh>
tmp<GeometricField<Type, fvsPatchField, surfaceMesh>> tfieldFlux
(
new GeometricField<Type, fvsPatchField, surfaceMesh>
(
IOobject
(
"flux("+psi_.name()+')',
psi_.instance(),
psi_.mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
psi_.mesh(),
dimensions()
)
);
GeometricField<Type, fvsPatchField, surfaceMesh>& fieldFlux =
tfieldFlux.ref();
for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
{
fieldFlux.primitiveFieldRef().replace
(
cmpt,
lduMatrix::faceH(psi_.primitiveField().component(cmpt))
);
}
FieldField<Field, Type> InternalContrib = internalCoeffs_;
forAll(InternalContrib, patchi)
{
InternalContrib[patchi] =
cmptMultiply
(
InternalContrib[patchi],
psi_.boundaryField()[patchi].patchInternalField()
);
}
FieldField<Field, Type> NeighbourContrib = boundaryCoeffs_;
forAll(NeighbourContrib, patchi)
{
if (psi_.boundaryField()[patchi].coupled())
{
NeighbourContrib[patchi] =
cmptMultiply
(
NeighbourContrib[patchi],
psi_.boundaryField()[patchi].patchNeighbourField()
);
}
}
typename GeometricField<Type, fvsPatchField, surfaceMesh>::
Boundary& ffbf = fieldFlux.boundaryFieldRef();
forAll(ffbf, patchi)
{
ffbf[patchi] = InternalContrib[patchi] - NeighbourContrib[patchi];
}
if (faceFluxCorrectionPtr_)
{
fieldFlux += *faceFluxCorrectionPtr_;
}
return tfieldFlux;
}
// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
template<class Type>
void Foam::fvMatrix<Type>::operator=(const fvMatrix<Type>& fvmv)
{
if (this == &fvmv)
{
FatalErrorInFunction
<< "attempted assignment to self"
<< abort(FatalError);
}
if (&psi_ != &(fvmv.psi_))
{
FatalErrorInFunction
<< "different fields"
<< abort(FatalError);
}
dimensions_ = fvmv.dimensions_;
lduMatrix::operator=(fvmv);
source_ = fvmv.source_;
internalCoeffs_ = fvmv.internalCoeffs_;
boundaryCoeffs_ = fvmv.boundaryCoeffs_;
if (faceFluxCorrectionPtr_ && fvmv.faceFluxCorrectionPtr_)
{
*faceFluxCorrectionPtr_ = *fvmv.faceFluxCorrectionPtr_;
}
else if (fvmv.faceFluxCorrectionPtr_)
{
faceFluxCorrectionPtr_ =
new GeometricField<Type, fvsPatchField, surfaceMesh>
(*fvmv.faceFluxCorrectionPtr_);
}
}
template<class Type>
void Foam::fvMatrix<Type>::operator=(const tmp<fvMatrix<Type>>& tfvmv)
{
operator=(tfvmv());
tfvmv.clear();
}
template<class Type>
void Foam::fvMatrix<Type>::negate()
{
lduMatrix::negate();
source_.negate();
internalCoeffs_.negate();
boundaryCoeffs_.negate();