blendingFactorTemplates.C

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#include "gaussConvectionScheme.H"
#include "blendedSchemeBase.H"
#include "fvcCellReduce.H"

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

template<class Type>
bool Foam::functionObjects::blendingFactor::calcBF()
{
    typedef GeometricField<Type, fvPatchField, volMesh> FieldType;

    if (!foundObject<FieldType>(fieldName_))
    {
        return false;
    }

    const FieldType& field = lookupObject<FieldType>(fieldName_);

    const word divScheme("div(" + phiName_ + ',' + fieldName_ + ')');
    ITstream& its = mesh_.schemes().div(divScheme);

    const surfaceScalarField& phi = lookupObject<surfaceScalarField>(phiName_);

    tmp<fv::convectionScheme<Type>> cs =
        fv::convectionScheme<Type>::New(mesh_, phi, its);

    const fv::gaussConvectionScheme<Type>& gcs =
        refCast<const fv::gaussConvectionScheme<Type>>(cs());

    const surfaceInterpolationScheme<Type>& interpScheme =
        gcs.interpScheme();

    if (!isA<blendedSchemeBase<Type>>(interpScheme))
    {
        FatalErrorInFunction
            << interpScheme.typeName << " is not a blended scheme"
            << exit(FatalError);
    }

    // Retrieve the face-based blending factor
    const blendedSchemeBase<Type>& blendedScheme =
        refCast<const blendedSchemeBase<Type>>(interpScheme);
    tmp<surfaceScalarField> factorf(blendedScheme.blendingFactor(field));

    // Convert into vol field whose values represent the local face maxima
    return store
    (
        resultName_,
        fvc::cellReduce(factorf, maxEqOp<scalar>())
    );
}


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