phaseStabilisedSnGrad.C

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License
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#include "phaseStabilisedSnGrad.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "localMin.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fv
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
phaseStabilisedSnGrad<Type>::phaseStabilisedSnGrad
(
    const fvMesh& mesh,
    Istream& schemeData
)
:
    snGradScheme<Type>(mesh),
    correctedScheme_
    (
        fv::snGradScheme<Type>::New(this->mesh(), schemeData)
    )
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class Type>
phaseStabilisedSnGrad<Type>::~phaseStabilisedSnGrad()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
tmp<surfaceScalarField> phaseStabilisedSnGrad<Type>::deltaCoeffs
(
    const VolField<Type>& vf
) const
{
    return correctedScheme_->deltaCoeffs(vf);
}
 
 
template<class Type>
tmp<SurfaceField<Type>>
phaseStabilisedSnGrad<Type>::correction
(
    const VolField<Type>& vf
) const
{
    const SurfaceField<Type> corr
    (
        correctedScheme_().correction(vf)
    );
 
    const volScalarField& alpha
    (
        vf.db().template lookupObject<volScalarField>
        (
            IOobject::groupName("alpha", vf.group())
        )
    );
 
    const surfaceScalarField limiter
    (
        pos(localMin<scalar>(vf.mesh()).interpolate(alpha) - 1e-3)
    );
 
    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
 
// ************************************************************************* //