tmp<errorEstimate<Type> >
div
(
const surfaceScalarField& flux,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
const fvMesh& mesh = vf.mesh();
const scalarField& vols = mesh.V();
const surfaceVectorField& faceCentres = mesh.Cf();
const volVectorField& cellCentres = mesh.C();
const fvPatchList& patches = mesh.boundary();
const unallocLabelList& owner = mesh.owner();
const unallocLabelList& neighbour = mesh.neighbour();
Field<Type> res(vols.size(), pTraits<Type>::zero);
scalarField aNorm(vols.size(), 0.0);
// Get sign of flux
const surfaceScalarField signF = pos(flux);
// Calculate gradient of the solution
GeometricField
<
typename outerProduct<vector, Type>::type, fvPatchField, volMesh
> gradVf = fvc::grad(vf);
// Internal faces
forAll (owner, faceI)
{
// Calculate the centre of the face
const vector& curFaceCentre = faceCentres[faceI];
// Owner
vector ownD = curFaceCentre - cellCentres[owner[faceI]];
// Subtract convection
res[owner[faceI]] -=
(
vf[owner[faceI]]
+ (ownD & gradVf[owner[faceI]])
)*flux[faceI];
aNorm[owner[faceI]] += signF[faceI]*flux[faceI];
// Neighbour
vector neiD = curFaceCentre - cellCentres[neighbour[faceI]];
// Subtract convection
res[neighbour[faceI]] +=
(
vf[neighbour[faceI]]
+ (neiD & gradVf[neighbour[faceI]])
)*flux[faceI];
aNorm[neighbour[faceI]] -= (1.0 - signF[faceI])*flux[faceI];
}
forAll (patches, patchI)
{
const vectorField& patchFaceCentres =
faceCentres.boundaryField()[patchI];
const scalarField& patchFlux = flux.boundaryField()[patchI];
const scalarField& patchSignFlux = signF.boundaryField()[patchI];
const labelList& fCells = patches[patchI].faceCells();
forAll (fCells, faceI)
{
vector d =
patchFaceCentres[faceI] - cellCentres[fCells[faceI]];
// Subtract convection
res[fCells[faceI]] -=
(
vf[fCells[faceI]]
+ (d & gradVf[fCells[faceI]])
)*patchFlux[faceI];
aNorm[fCells[faceI]] += patchSignFlux[faceI]*patchFlux[faceI];
}
}
scalar fieldOperations::
getScalingFlowRate(const surfaceScalarField& phi)
{
return mag( gSum(phi.boundaryField()[scalingPatchID_]) );
}
void Foam::MULES::limiter
(
scalarField& allLambda,
const RdeltaTType& rDeltaT,
const RhoType& rho,
const volScalarField& psi,
const surfaceScalarField& phiBD,
const surfaceScalarField& phiCorr,
const SpType& Sp,
const SuType& Su,
const scalar psiMax,
const scalar psiMin
)
{
const scalarField& psiIf = psi;
const volScalarField::GeometricBoundaryField& psiBf = psi.boundaryField();
const fvMesh& mesh = psi.mesh();
const dictionary& MULEScontrols = mesh.solverDict(psi.name());
label nLimiterIter
(
MULEScontrols.lookupOrDefault<label>("nLimiterIter", 3)
);
scalar smoothLimiter
(
MULEScontrols.lookupOrDefault<scalar>("smoothLimiter", 0)
);
const scalarField& psi0 = psi.oldTime();
const labelUList& owner = mesh.owner();
const labelUList& neighb = mesh.neighbour();
tmp<volScalarField::DimensionedInternalField> tVsc = mesh.Vsc();
const scalarField& V = tVsc();
const scalarField& phiBDIf = phiBD;
const surfaceScalarField::GeometricBoundaryField& phiBDBf =
phiBD.boundaryField();
const scalarField& phiCorrIf = phiCorr;
const surfaceScalarField::GeometricBoundaryField& phiCorrBf =
phiCorr.boundaryField();
slicedSurfaceScalarField lambda
(
IOobject
(
"lambda",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
mesh,
dimless,
allLambda,
false // Use slices for the couples
);
scalarField& lambdaIf = lambda;
surfaceScalarField::GeometricBoundaryField& lambdaBf =
lambda.boundaryField();
scalarField psiMaxn(psiIf.size(), psiMin);
scalarField psiMinn(psiIf.size(), psiMax);
scalarField sumPhiBD(psiIf.size(), 0.0);
scalarField sumPhip(psiIf.size(), VSMALL);
scalarField mSumPhim(psiIf.size(), VSMALL);
forAll(phiCorrIf, facei)
{
label own = owner[facei];
label nei = neighb[facei];
psiMaxn[own] = max(psiMaxn[own], psiIf[nei]);
psiMinn[own] = min(psiMinn[own], psiIf[nei]);
psiMaxn[nei] = max(psiMaxn[nei], psiIf[own]);
psiMinn[nei] = min(psiMinn[nei], psiIf[own]);
sumPhiBD[own] += phiBDIf[facei];
sumPhiBD[nei] -= phiBDIf[facei];
scalar phiCorrf = phiCorrIf[facei];
if (phiCorrf > 0.0)
{
sumPhip[own] += phiCorrf;
mSumPhim[nei] += phiCorrf;
}
else
{
mSumPhim[own] -= phiCorrf;
sumPhip[nei] -= phiCorrf;
}
}
void Foam::MULES::limiter
(
scalargpuField& allLambda,
const RdeltaTType& rDeltaT,
const RhoType& rho,
const volScalarField& psi,
const surfaceScalarField& phiBD,
const surfaceScalarField& phiCorr,
const SpType& Sp,
const SuType& Su,
const scalar psiMax,
const scalar psiMin,
const label nLimiterIter
)
{
const scalargpuField& psiIf = psi.getField();
const volScalarField::GeometricBoundaryField& psiBf = psi.boundaryField();
const scalargpuField& psi0 = psi.oldTime();
const fvMesh& mesh = psi.mesh();
const labelgpuList& owner = mesh.owner();
const labelgpuList& neighb = mesh.neighbour();
const labelgpuList& losort = mesh.lduAddr().losortAddr();
const labelgpuList& ownStart = mesh.lduAddr().ownerStartAddr();
const labelgpuList& losortStart = mesh.lduAddr().losortStartAddr();
tmp<volScalarField::DimensionedInternalField> tVsc = mesh.Vsc();
const scalargpuField& V = tVsc().getField();
const scalargpuField& phiBDIf = phiBD;
const surfaceScalarField::GeometricBoundaryField& phiBDBf =
phiBD.boundaryField();
const scalargpuField& phiCorrIf = phiCorr;
const surfaceScalarField::GeometricBoundaryField& phiCorrBf =
phiCorr.boundaryField();
slicedSurfaceScalarField lambda
(
IOobject
(
"lambda",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
mesh,
dimless,
allLambda,
false // Use slices for the couples
);
scalargpuField& lambdaIf = lambda;
surfaceScalarField::GeometricBoundaryField& lambdaBf =
lambda.boundaryField();
scalargpuField psiMaxn(psiIf.size(), psiMin);
scalargpuField psiMinn(psiIf.size(), psiMax);
scalargpuField sumPhiBD(psiIf.size(), 0.0);
scalargpuField sumPhip(psiIf.size(), VSMALL);
scalargpuField mSumPhim(psiIf.size(), VSMALL);
thrust::for_each
(
thrust::make_counting_iterator(0),
thrust::make_counting_iterator(0)+psiIf.size(),
limiterMULESFunctor
(
owner.data(),
neighb.data(),
ownStart.data(),
losortStart.data(),
losort.data(),
psiIf.data(),
phiBDIf.data(),
phiCorrIf.data(),
psiMaxn.data(),
psiMinn.data(),
sumPhiBD.data(),
sumPhip.data(),
mSumPhim.data()
)
);
forAll(phiCorrBf, patchi)
{
const fvPatchScalarField& psiPf = psiBf[patchi];
const scalargpuField& phiBDPf = phiBDBf[patchi];
const scalargpuField& phiCorrPf = phiCorrBf[patchi];
const labelgpuList& pcells = mesh.lduAddr().patchSortCells(patchi);
const labelgpuList& losort = mesh.lduAddr().patchSortAddr(patchi);
const labelgpuList& losortStart = mesh.lduAddr().patchSortStartAddr(patchi);
thrust::for_each
(
thrust::make_counting_iterator(0),
thrust::make_counting_iterator(0)+pcells.size(),
patchMinMaxMULESFunctor
(
losortStart.data(),
losort.data(),
pcells.data(),
psiPf.coupled()?psiPf.patchNeighbourField()().data():psiPf.data(),
phiBDPf.data(),
phiCorrPf.data(),
psiMaxn.data(),
psiMinn.data(),
sumPhiBD.data(),
sumPhip.data(),
mSumPhim.data()
)
);
}
psiMaxn = min(psiMaxn, psiMax);
psiMinn = max(psiMinn, psiMin);
//scalar smooth = 0.5;
//psiMaxn = min((1.0 - smooth)*psiIf + smooth*psiMaxn, psiMax);
//psiMinn = max((1.0 - smooth)*psiIf + smooth*psiMinn, psiMin);
if (mesh.moving())
{
tmp<volScalarField::DimensionedInternalField> V0 = mesh.Vsc0();
psiMaxn =
V
*(
(rho.getField()*rDeltaT - Sp.getField())*psiMaxn
- Su.getField()
)
- (V0().getField()*rDeltaT)*rho.oldTime().getField()*psi0
+ sumPhiBD;
psiMinn =
V
*(
Su.getField()
- (rho.getField()*rDeltaT - Sp.getField())*psiMinn
)
+ (V0().getField()*rDeltaT)*rho.oldTime().getField()*psi0
- sumPhiBD;
}
else
{
psiMaxn =
V
*(
(rho.getField()*rDeltaT - Sp.getField())*psiMaxn
- Su.getField()
- (rho.oldTime().getField()*rDeltaT)*psi0
)
+ sumPhiBD;
psiMinn =
V
*(
Su.getField()
- (rho.getField()*rDeltaT - Sp.getField())*psiMinn
+ (rho.oldTime().getField()*rDeltaT)*psi0
)
- sumPhiBD;
}
scalargpuField sumlPhip(psiIf.size());
scalargpuField mSumlPhim(psiIf.size());
for (int j=0; j<nLimiterIter; j++)
{
sumlPhip = 0.0;
mSumlPhim = 0.0;
thrust::for_each
(
thrust::make_counting_iterator(0),
thrust::make_counting_iterator(0)+sumlPhip.size(),
sumlPhiMULESFunctor
(
owner.data(),
neighb.data(),
ownStart.data(),
losortStart.data(),
losort.data(),
lambdaIf.data(),
phiCorrIf.data(),
sumlPhip.data(),
mSumlPhim.data()
)
);
forAll(lambdaBf, patchi)
{
scalargpuField& lambdaPf = lambdaBf[patchi];
const scalargpuField& phiCorrfPf = phiCorrBf[patchi];
const labelgpuList& pcells = mesh.lduAddr().patchSortCells(patchi);
const labelgpuList& losort = mesh.lduAddr().patchSortAddr(patchi);
const labelgpuList& losortStart = mesh.lduAddr().patchSortStartAddr(patchi);
thrust::for_each
(
thrust::make_counting_iterator(0),
thrust::make_counting_iterator(0)+pcells.size(),
patchSumlPhiMULESFunctor
(
losortStart.data(),
losort.data(),
pcells.data(),
lambdaPf.data(),
phiCorrfPf.data(),
sumlPhip.data(),
mSumlPhim.data()
)
);
}
thrust::transform
(
sumlPhip.begin(),
sumlPhip.end(),
thrust::make_zip_iterator(thrust::make_tuple
(
psiMaxn.begin(),
mSumPhim.begin()
)),
sumlPhip.begin(),
sumlPhipFinalMULESFunctor<false>()
);
thrust::transform
(
mSumlPhim.begin(),
mSumlPhim.end(),
thrust::make_zip_iterator(thrust::make_tuple
(
psiMinn.begin(),
sumPhip.begin()
)),
mSumlPhim.begin(),
sumlPhipFinalMULESFunctor<true>()
);
const scalargpuField& lambdam = sumlPhip;
const scalargpuField& lambdap = mSumlPhim;
thrust::transform
(
phiCorrIf.begin(),
phiCorrIf.end(),
thrust::make_zip_iterator(thrust::make_tuple
(
lambdaIf.begin(),
thrust::make_permutation_iterator
(
lambdap.begin(),
owner.begin()
),
thrust::make_permutation_iterator
(
lambdam.begin(),
neighb.begin()
),
thrust::make_permutation_iterator
(
lambdam.begin(),
owner.begin()
),
thrust::make_permutation_iterator
(
lambdap.begin(),
neighb.begin()
)
)),
lambdaIf.begin(),
lambdaIfMULESFunctor()
);
forAll(lambdaBf, patchi)
{
fvsPatchScalarField& lambdaPf = lambdaBf[patchi];
const scalargpuField& phiCorrfPf = phiCorrBf[patchi];
const fvPatchScalarField& psiPf = psiBf[patchi];
if (isA<wedgeFvPatch>(mesh.boundary()[patchi]))
{
lambdaPf = 0;
}
else if (psiPf.coupled())
{
const labelgpuList& pFaceCells =
mesh.boundary()[patchi].faceCells();
thrust::transform
(
phiCorrfPf.begin(),
phiCorrfPf.end(),
thrust::make_zip_iterator(thrust::make_tuple
(
lambdaPf.begin(),
thrust::make_permutation_iterator
(
lambdap.begin(),
pFaceCells.begin()
),
thrust::make_permutation_iterator
(
lambdam.begin(),
pFaceCells.begin()
)
)),
lambdaPf.begin(),
coupledPatchLambdaPfMULESFunctor()
);
}
else
{
const labelgpuList& pFaceCells =
mesh.boundary()[patchi].faceCells();
const scalargpuField& phiBDPf = phiBDBf[patchi];
const scalargpuField& phiCorrPf = phiCorrBf[patchi];
thrust::transform
(
phiCorrfPf.begin(),
phiCorrfPf.end(),
thrust::make_zip_iterator(thrust::make_tuple
(
lambdaPf.begin(),
phiBDPf.begin(),
phiCorrPf.begin(),
thrust::make_permutation_iterator
(
lambdap.begin(),
pFaceCells.begin()
),
thrust::make_permutation_iterator
(
lambdam.begin(),
pFaceCells.begin()
)
)),
lambdaPf.begin(),
patchLambdaPfMULESFunctor()
);
}
}