PhiScheme.C

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/*---------------------------------------------------------------------------*\
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     \\/     M anipulation  |
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#include <finiteVolume/volFields.H>
#include <finiteVolume/surfaceFields.H>
#include <finiteVolume/fvcGrad.H>
#include <finiteVolume/coupledFvPatchFields.H>
#include <finiteVolume/surfaceInterpolate.H>

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

namespace Foam
{

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

template<class Type, class PhiLimiter>
tmp<surfaceScalarField> PhiScheme<Type, PhiLimiter>::limiter
(
    const GeometricField<Type, fvPatchField, volMesh>& phi
) const
{
    const fvMesh& mesh = this->mesh();

    tmp<surfaceScalarField> tLimiter
    (
        new surfaceScalarField
        (
            IOobject
            (
                "PhiLimiter",
                mesh.time().timeName(),
                mesh
            ),
            mesh,
            dimless
        )
    );
    surfaceScalarField& Limiter = tLimiter();

    const surfaceScalarField& CDweights = mesh.surfaceInterpolation::weights();

    const surfaceVectorField& Sf = mesh.Sf();
    const surfaceScalarField& magSf = mesh.magSf();

    const unallocLabelList& owner = mesh.owner();
    const unallocLabelList& neighbour = mesh.neighbour();

    tmp<surfaceScalarField> tUflux = this->faceFlux_;

    if (this->faceFlux_.dimensions() == dimDensity*dimVelocity*dimArea)
    {
        const volScalarField& rho = 
            phi.db().objectRegistry::lookupObject<volScalarField>("rho");
        tUflux = this->faceFlux_/fvc::interpolate(rho);
    }
    else if (this->faceFlux_.dimensions() != dimVelocity*dimArea)
    {
        FatalErrorIn
        (
            "PhiScheme<PhiLimiter>::limiter"
            "(const GeometricField<Type, fvPatchField, volMesh>& phi)"
        )   << "dimensions of faceFlux are not correct"
            << exit(FatalError);
    }

    const surfaceScalarField& Uflux = tUflux();

    scalarField& pLimiter = Limiter.internalField();

    forAll(pLimiter, face)
    {
        pLimiter[face] = PhiLimiter::limiter
        (
            CDweights[face],
            Uflux[face],
            phi[owner[face]],
            phi[neighbour[face]],
            Sf[face],
            magSf[face]
        );
    }


    surfaceScalarField::GeometricBoundaryField& bLimiter =
        Limiter.boundaryField();

    forAll(bLimiter, patchI)
    {
        scalarField& pLimiter = bLimiter[patchI];

        if (bLimiter[patchI].coupled())
        {
            const scalarField& pCDweights = CDweights.boundaryField()[patchI];
            const vectorField& pSf = Sf.boundaryField()[patchI];
            const scalarField& pmagSf = magSf.boundaryField()[patchI];
            const scalarField& pFaceFlux = Uflux.boundaryField()[patchI];
            Field<Type> pphiP =
                phi.boundaryField()[patchI].patchInternalField();
            Field<Type> pphiN =
                phi.boundaryField()[patchI].patchNeighbourField();

            forAll(pLimiter, face)
            {
                pLimiter[face] = PhiLimiter::limiter
                (
                    pCDweights[face],
                    pFaceFlux[face],
                    pphiP[face],
                    pphiN[face],
                    pSf[face],
                    pmagSf[face]
                );
            }
        }
        else
        {
            pLimiter = 1.0;
        }
    }

    return tLimiter;
}


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

} // End namespace Foam

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