cyclicACMIFvPatch.C

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License
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#include "cyclicACMIFvPatch.H"
#include "addToRunTimeSelectionTable.H"
#include "fvMesh.H"
#include "transform.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(cyclicACMIFvPatch, 0);
    addToRunTimeSelectionTable(fvPatch, cyclicACMIFvPatch, polyPatch);
}


// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //

void Foam::cyclicACMIFvPatch::updateAreas() const
{
    if (cyclicACMIPatch().updated())
    {
        if (debug)
        {
            Pout<< "cyclicACMIFvPatch::updateAreas() : updating fv areas for "
                << name() << " and " << nonOverlapFvPatch().name()
                << endl;
        }

        // owner couple
        const_cast<vectorField&>(Sf()) = patch().faceAreas();
        const_cast<scalarField&>(magSf()) = mag(patch().faceAreas());

        // owner non-overlapping
        const fvPatch& nonOverlapPatch = nonOverlapFvPatch();
        const_cast<vectorField&>(nonOverlapPatch.Sf()) =
            nonOverlapPatch.patch().faceAreas();
        const_cast<scalarField&>(nonOverlapPatch.magSf()) =
            mag(nonOverlapPatch.patch().faceAreas());

        // neighbour couple
        const cyclicACMIFvPatch& nbrACMI = neighbFvPatch();
        const_cast<vectorField&>(nbrACMI.Sf()) =
            nbrACMI.patch().faceAreas();
        const_cast<scalarField&>(nbrACMI.magSf()) =
            mag(nbrACMI.patch().faceAreas());

        // neighbour non-overlapping
        const fvPatch& nbrNonOverlapPatch = nbrACMI.nonOverlapFvPatch();
        const_cast<vectorField&>(nbrNonOverlapPatch.Sf()) =
            nbrNonOverlapPatch.patch().faceAreas();
        const_cast<scalarField&>(nbrNonOverlapPatch.magSf()) =
            mag(nbrNonOverlapPatch.patch().faceAreas());

        // set the updated flag
        cyclicACMIPatch().setUpdated(false);
    }
}


// * * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * //

void Foam::cyclicACMIFvPatch::makeWeights(scalarField& w) const
{
    if (coupled())
    {
        // These deltas are of the cyclic part alone - they are
        // not affected by the amount of overlap with the nonOverlapPatch
        const scalarField deltan(this->deltan());
        const scalarField nbrDeltan(this->nbrDeltan());

        forAll(deltan, facei)
        {
            scalar di = deltan[facei];
            scalar dni = nbrDeltan[facei];

            if (dni < cyclicACMIPolyPatch::tolerance())
            {
                // Avoid zero weights on disconnected faces. This value
                // will be weighted with the (zero) face area so will not
                // influence calculations.
                w[facei] = 1.0;
            }
            else
            {
                w[facei] = dni/(di + dni);
            }
        }
    }
    else
    {
        // Behave as uncoupled patch
        fvPatch::makeWeights(w);
    }
}


// ************************************************************************* //