void Foam::porousZone::modifyDdt(fvMatrix<Type>& m) const
{
if (porosity_ < 1)
{
const labelList& cells = mesh_.cellZones()[cellZoneID_];
forAll(cells, i)
{
m.diag()[cells[i]] *= porosity_;
m.source()[cells[i]] *= porosity_;
}
}
void Foam::fv::interRegionExplicitPorositySource::addSup
(
fvMatrix<vector>& eqn,
const label fieldI
)
{
initialise();
const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(nbrRegionName_);
const volVectorField& U = eqn.psi();
volVectorField UNbr
(
IOobject
(
name_ + ":UNbr",
nbrMesh.time().timeName(),
nbrMesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
nbrMesh,
dimensionedVector("zero", U.dimensions(), vector::zero)
);
// map local velocity onto neighbour region
meshInterp().mapSrcToTgt
(
U.internalField(),
plusEqOp<vector>(),
UNbr.internalField()
);
fvMatrix<vector> nbrEqn(UNbr, eqn.dimensions());
porosityPtr_->addResistance(nbrEqn);
// convert source from neighbour to local region
fvMatrix<vector> porosityEqn(U, eqn.dimensions());
scalarField& Udiag = porosityEqn.diag();
vectorField& Usource = porosityEqn.source();
Udiag.setSize(eqn.diag().size(), 0.0);
Usource.setSize(eqn.source().size(), vector::zero);
meshInterp().mapTgtToSrc(nbrEqn.diag(), plusEqOp<scalar>(), Udiag);
meshInterp().mapTgtToSrc(nbrEqn.source(), plusEqOp<vector>(), Usource);
eqn -= porosityEqn;
}
void Foam::jjc2014Zone::modifyDdt(fvMatrix<Type>& m) const
{
if (porosity_ < 1)
{
const labelList& cells = mesh_.cellZones()[cellZoneID_];
scalar coeff( (1.0 + addedMassCoeff_ * ( 1 - porosity_ ) / porosity_) / porosity_ );
forAll(cells, i)
{
m.diag()[cells[i]] *= coeff;
m.source()[cells[i]] *= coeff;
}
}
void fvBlockMatrix<Type>::insertDiagSource
(
const direction dir,
fvMatrix<matrixType>& matrix
)
{
matrix.completeAssembly();
// Save a copy for different components
scalarField& diag = matrix.diag();
scalarField saveDiag(diag);
// Add source boundary contribution
Field<matrixType>& source = matrix.source();
matrix.addBoundarySource(source, false);
const direction nCmpts = pTraits<matrixType>::nComponents;
direction localDir = dir;
// Get reference to this source field of block system
Field<Type>& b = this->source();
if
(
// This is needed if the matrixType is <vector>, then you need to grab
// coeffs as linear. Consider doing a matrixType check also.
// VV, 17/March/2014
this->diag().activeType() != blockCoeffBase::SQUARE
)
{
typename CoeffField<Type>::linearTypeField& blockDiag =
this->diag().asLinear();
for (direction cmptI = 0; cmptI < nCmpts; cmptI++)
{
matrix.addBoundaryDiag(diag, cmptI);
scalarField sourceCmpt(source.component(cmptI));
// FieldField<Field, scalar> bouCoeffsCmpt
// (
// matrix.boundaryCoeffs().component(cmptI)
// );
// Possible problem for coupled non-aligned boundaries.
// VV, 14/May/2014.
// matrix.correctImplicitBoundarySource
// (
// bouCoeffsCmpt,
// sourceCmpt,
// cmptI
// );
forAll (diag, cellI)
{
blockDiag[cellI](localDir) = diag[cellI];
b[cellI](localDir) += sourceCmpt[cellI];
}
localDir++;
// Reset diagonal
diag = saveDiag;
}