Foam::autoPtr<Foam::indirectPrimitivePatch>
Foam::streamLine::wallPatch() const
{
const fvMesh& mesh = dynamic_cast<const fvMesh&>(obr_);
const polyBoundaryMesh& patches = mesh.boundaryMesh();
label nFaces = 0;
forAll(patches, patchI)
{
//if (!polyPatch::constraintType(patches[patchI].type()))
if (isA<wallPolyPatch>(patches[patchI]))
{
nFaces += patches[patchI].size();
}
}
labelList addressing(nFaces);
nFaces = 0;
forAll(patches, patchI)
{
//if (!polyPatch::constraintType(patches[patchI].type()))
if (isA<wallPolyPatch>(patches[patchI]))
{
const polyPatch& pp = patches[patchI];
forAll(pp, i)
{
addressing[nFaces++] = pp.start()+i;
}
}
}
/*Network Constructor*/
Network::Network() {
init();
addressing();
createSocket();
}
//- Calculate inverse-distance weights for interpolative mapping
void topoCellMapper::calcInverseDistanceWeights() const
{
if (weightsPtr_)
{
FatalErrorIn
(
"void topoCellMapper::calcInverseDistanceWeights() const"
)
<< "Weights already calculated."
<< abort(FatalError);
}
// Fetch interpolative addressing
const labelListList& addr = addressing();
// Allocate memory
weightsPtr_ = new scalarListList(size());
scalarListList& w = *weightsPtr_;
// Obtain cell-centre information from old/new meshes
const vectorField& oldCentres = tMapper_.internalCentres();
const vectorField& newCentres = mesh_.cellCentres();
forAll(addr, cellI)
{
const labelList& mo = addr[cellI];
// Do mapped cells
if (mo.size() == 1)
{
w[cellI] = scalarList(1, 1.0);
}
else
{
// Map from masters, inverse-distance weights
scalar totalWeight = 0.0;
w[cellI] = scalarList(mo.size(), 0.0);
forAll (mo, oldCellI)
{
w[cellI][oldCellI] =
(
1.0/stabilise
(
magSqr
(
newCentres[cellI]
- oldCentres[mo[oldCellI]]
),
VSMALL
)
);
totalWeight += w[cellI][oldCellI];
}
// Normalize weights
scalar normFactor = (1.0/totalWeight);
forAll (mo, oldCellI)
{
w[cellI][oldCellI] *= normFactor;
}
}
}
void topoCellMapper::mapInternalField
(
const word& fieldName,
const Field<gradType>& gF,
Field<Type>& iF
) const
{
if (iF.size() != sizeBeforeMapping() || gF.size() != sizeBeforeMapping())
{
FatalErrorIn
(
"\n\n"
"void topoCellMapper::mapInternalField<Type>\n"
"(\n"
" const word& fieldName,\n"
" const Field<gradType>& gF,\n"
" Field<Type>& iF\n"
") const\n"
) << "Incompatible size before mapping." << nl
<< " Field: " << fieldName << nl
<< " Field size: " << iF.size() << nl
<< " Gradient Field size: " << gF.size() << nl
<< " map size: " << sizeBeforeMapping() << nl
<< abort(FatalError);
}
// If we have direct addressing, map and bail out
if (direct())
{
iF.autoMap(*this);
return;
}
// Fetch addressing
const labelListList& cAddressing = addressing();
const List<scalarField>& wC = intersectionWeights();
const List<vectorField>& xC = intersectionCentres();
// Fetch geometry
const vectorField& centres = tMapper_.internalCentres();
// Copy the original field
Field<Type> fieldCpy(iF);
// Resize to current dimensions
iF.setSize(size());
// Map the internal field
forAll(iF, cellI)
{
const labelList& addr = cAddressing[cellI];
iF[cellI] = pTraits<Type>::zero;
forAll(addr, cellJ)
{
// Accumulate volume-weighted Taylor-series interpolate
iF[cellI] +=
(
wC[cellI][cellJ] *
(
fieldCpy[addr[cellJ]]
+ (
gF[addr[cellJ]] &
(
xC[cellI][cellJ]
- centres[addr[cellJ]]
)
)
)
);
}
}
}
