void Foam::cfdemCloudIB::calcVelocityCorrection
(
volScalarField& p,
volVectorField& U,
volScalarField& phiIB,
volScalarField& voidfraction
)
{
label cellI=0;
vector uParticle(0,0,0);
vector rVec(0,0,0);
vector velRot(0,0,0);
vector angVel(0,0,0);
for(int index=0; index< numberOfParticles(); index++)
{
//if(regionM().inRegion()[index][0])
//{
for(int subCell=0;subCell<voidFractionM().cellsPerParticle()[index][0];subCell++)
{
//Info << "subCell=" << subCell << endl;
cellI = cellIDs()[index][subCell];
if (cellI >= 0)
{
// calc particle velocity
for(int i=0;i<3;i++) rVec[i]=U.mesh().C()[cellI][i]-position(index)[i];
for(int i=0;i<3;i++) angVel[i]=angularVelocities()[index][i];
velRot=angVel^rVec;
for(int i=0;i<3;i++) uParticle[i] = velocities()[index][i]+velRot[i];
// impose field velocity
U[cellI]=(1-voidfractions_[index][subCell])*uParticle+voidfractions_[index][subCell]*U[cellI];
}
}
//}
}
// make field divergence free - set reference value in case it is needed
fvScalarMatrix phiIBEqn
(
fvm::laplacian(phiIB) == fvc::div(U) + fvc::ddt(voidfraction)
);
if(phiIB.needReference())
{
phiIBEqn.setReference(pRefCell_, pRefValue_);
}
phiIBEqn.solve();
U=U-fvc::grad(phiIB);
U.correctBoundaryConditions();
// correct the pressure as well
p=p+phiIB/U.mesh().time().deltaT(); // do we have to account for rho here?
p.correctBoundaryConditions();
}
void Foam::setRefCell
(
const volScalarField& field,
const volScalarField& fieldRef,
const dictionary& dict,
label& refCelli,
scalar& refValue,
const bool forceReference
)
{
if (fieldRef.needReference() || forceReference)
{
word refCellName = field.name() + "RefCell";
word refPointName = field.name() + "RefPoint";
word refValueName = field.name() + "RefValue";
if (dict.found(refCellName))
{
if (Pstream::master())
{
refCelli = readLabel(dict.lookup(refCellName));
if (refCelli < 0 || refCelli >= field.mesh().nCells())
{
FatalIOErrorIn
(
"void Foam::setRefCell\n"
"(\n"
" const volScalarField&,\n"
" const volScalarField&,\n"
" const dictionary&,\n"
" label& scalar&,\n"
" bool\n"
")",
dict
) << "Illegal master cellID " << refCelli
<< ". Should be 0.." << field.mesh().nCells()
<< exit(FatalIOError);
}
}
else
{
refCelli = -1;
}
}
else if (dict.found(refPointName))
{
point refPointi(dict.lookup(refPointName));
refCelli = field.mesh().findCell(refPointi);
label hasRef = (refCelli >= 0 ? 1 : 0);
label sumHasRef = returnReduce<label>(hasRef, sumOp<label>());
if (sumHasRef != 1)
{
FatalIOErrorIn
(
"void Foam::setRefCell\n"
"(\n"
" const volScalarField&,\n"
" const volScalarField&,\n"
" const dictionary&,\n"
" label& scalar&,\n"
" bool\n"
")",
dict
) << "Unable to set reference cell for field " << field.name()
<< nl << " Reference point " << refPointName
<< " " << refPointi
<< " found on " << sumHasRef << " domains (should be one)"
<< nl << exit(FatalIOError);
}
}
else
{
FatalIOErrorIn
(
"void Foam::setRefCell\n"
"(\n"
" const volScalarField&,\n"
" const volScalarField&,\n"
" const dictionary&,\n"
" label& scalar&,\n"
" bool\n"
")",
dict
) << "Unable to set reference cell for field " << field.name()
<< nl
<< " Please supply either " << refCellName
<< " or " << refPointName << nl << exit(FatalIOError);
}
refValue = readScalar(dict.lookup(refValueName));
}
}
void Foam::setRefCell
(
const volScalarField& field,
const volScalarField& fieldRef,
const dictionary& dict,
label& refCelli,
scalar& refValue,
const bool forceReference
)
{
if (fieldRef.needReference() || forceReference)
{
word refCellName = field.name() + "RefCell";
word refPointName = field.name() + "RefPoint";
word refValueName = field.name() + "RefValue";
if (dict.found(refCellName))
{
if (Pstream::master())
{
refCelli = readLabel(dict.lookup(refCellName));
if (refCelli < 0 || refCelli >= field.mesh().nCells())
{
FatalIOErrorInFunction
(
dict
) << "Illegal master cellID " << refCelli
<< ". Should be 0.." << field.mesh().nCells()
<< exit(FatalIOError);
}
}
else
{
refCelli = -1;
}
}
else if (dict.found(refPointName))
{
point refPointi(dict.lookup(refPointName));
// Try fast approximate search avoiding octree construction
refCelli = field.mesh().findCell(refPointi, polyMesh::FACE_PLANES);
label hasRef = (refCelli >= 0 ? 1 : 0);
label sumHasRef = returnReduce<label>(hasRef, sumOp<label>());
// If reference cell no found use octree search
// with cell tet-decompositoin
if (sumHasRef != 1)
{
refCelli = field.mesh().findCell(refPointi);
hasRef = (refCelli >= 0 ? 1 : 0);
sumHasRef = returnReduce<label>(hasRef, sumOp<label>());
}
if (sumHasRef != 1)
{
FatalIOErrorInFunction
(
dict
) << "Unable to set reference cell for field " << field.name()
<< nl << " Reference point " << refPointName
<< " " << refPointi
<< " found on " << sumHasRef << " domains (should be one)"
<< nl << exit(FatalIOError);
}
}
else
{
FatalIOErrorInFunction
(
dict
) << "Unable to set reference cell for field " << field.name()
<< nl
<< " Please supply either " << refCellName
<< " or " << refPointName << nl << exit(FatalIOError);
}
refValue = readScalar(dict.lookup(refValueName));
}
}
