cellPointLagrangianAccumulatorTemplates.C

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     \\/     M anipulation  |
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#include "cellPointLagrangianAccumulator.H"
#include "cellPointLagrangianAddressor.H"
#include "LagrangianFields.H"
#include "LagrangianSubFields.H"
#include "tetIndices.H"
#include "syncTools.H"
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<class Type>
void Foam::cellPointLagrangianAccumulator::accumulate
(
    const LagrangianSubSubField<Type>& lPsi,
    Field<Type>& cPsi
) const
{
    const LagrangianSubMesh& lSubMesh = lPsi.mesh();
    const LagrangianMesh& lMesh = lSubMesh.mesh();
 
    // Do the simple cell-cell contributions
    forAll(lPsi.mesh(), subi)
    {
        const label i = lSubMesh.start() + subi;
 
        const barycentric& coordinates = lMesh.coordinates()[i];
        const label celli = lMesh.celli()[i];
 
        cPsi[celli] += coordinates.a()*lPsi[subi];
    }
 
    // Do the more complicated cell-point-cell contributions...
 
    // Sum contributions into the point workspace
    DynamicList<Type>& accumulatingPointValues =
        this->accumulatingPointValues<Type>();
    forAll(lPsi.mesh(), subi)
    {
        const label i = lSubMesh.start() + subi;
 
        const barycentric& coordinates = lMesh.coordinates()[i];
        const label celli = lMesh.celli()[i];
        const label facei = lMesh.facei()[i];
        const label faceTrii = lMesh.faceTrii()[i];
 
        const triFace triPoints =
            tetIndices(celli, facei, faceTrii).faceTriIs(mesh());
 
        forAll(triPoints, triPointi)
        {
            const label pointi = triPoints[triPointi];
 
            if (pointAccumulatingPoint_[pointi] == -1)
            {
                pointAccumulatingPoint_[pointi] =
                    accumulatingPointPoint_.size();
 
                accumulatingPointPoint_.append(pointi);
                accumulatingPointValues.append(pTraits<Type>::zero);
            }
 
            accumulatingPointValues[pointAccumulatingPoint_[pointi]] +=
                coordinates[triPointi + 1]*lPsi[subi];
        }
    }
 
    // Expand to include any points that are being accumulated to remotely
    cellPointLagrangianAddressor::New(mesh()).sync
    (
        pointAccumulatingPoint_,
        accumulatingPointPoint_
    );
    accumulatingPointValues.resize
    (
        accumulatingPointPoint_.size(),
        pTraits<Type>::zero
    );
 
    // Synchronise
    syncTools::syncPointList
    (
        mesh(),
        accumulatingPointPoint_,
        accumulatingPointValues,
        plusEqOp<Type>(),
        pTraits<Type>::zero
    );
 
    // Accumulate back into the cells
    const labelListList& pointCells = mesh().pointCells();
    forAll(accumulatingPointPoint_, accumulatingPointi)
    {
        const label pointi = accumulatingPointPoint_[accumulatingPointi];
 
        forAll(pointCells[pointi], pointCelli)
        {
            const label celli = pointCells[pointi][pointCelli];
 
            cPsi[celli] +=
                pointCellWeights_[pointi][pointCelli]
               *accumulatingPointValues[accumulatingPointi];
        }
    }
 
    // Reset the workspace
    forAll(accumulatingPointPoint_, accumulatingPointi)
    {
        const label pointi = accumulatingPointPoint_[accumulatingPointi];
 
        pointAccumulatingPoint_[pointi] = -1;
    }
 
    accumulatingPointPoint_.clear();
    accumulatingPointValues.clear();
}
 
 
// ************************************************************************* //