limitedSnGrad.C

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\*---------------------------------------------------------------------------*/

#include "fv.H"
#include "limitedSnGrad.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "localMax.H"

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

namespace Foam
{

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

namespace fv
{

// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

template<class Type>
limitedSnGrad<Type>::~limitedSnGrad()
{}


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

template<class Type>
tmp<GeometricField<Type, fvsPatchField, surfaceMesh>>
limitedSnGrad<Type>::correction
(
    const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
    const GeometricField<Type, fvsPatchField, surfaceMesh> corr
    (
        correctedScheme_().correction(vf)
    );

    const surfaceScalarField limiter
    (
        min
        (
            limitCoeff_
           *mag(snGradScheme<Type>::snGrad(vf, deltaCoeffs(vf), "SndGrad"))
           /(
                (1 - limitCoeff_)*mag(corr)
              + dimensionedScalar(corr.dimensions(), small)
            ),
            dimensionedScalar(dimless, 1.0)
        )
    );

    if (fv::debug)
    {
        InfoInFunction
            << "limiter min: " << min(limiter.primitiveField())
            << " max: "<< max(limiter.primitiveField())
            << " avg: " << average(limiter.primitiveField()) << endl;
    }

    return limiter*corr;
}


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

} // End namespace fv

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

} // End namespace Foam

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