gaussConvectionScheme.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "gaussConvectionScheme.H"
#include "fvcSurfaceIntegrate.H"
#include "fvMatrices.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fv
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
const surfaceInterpolationScheme<Type>&
gaussConvectionScheme<Type>::interpScheme() const
{
    return tinterpScheme_();
}
 
 
template<class Type>
tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
gaussConvectionScheme<Type>::interpolate
(
    const surfaceScalarField&,
    const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
    return tinterpScheme_().interpolate(vf);
}
 
 
template<class Type>
tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
gaussConvectionScheme<Type>::flux
(
    const surfaceScalarField& faceFlux,
    const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
    return faceFlux*interpolate(faceFlux, vf);
}
 
 
template<class Type>
tmp<fvMatrix<Type> >
gaussConvectionScheme<Type>::fvmDiv
(
    const surfaceScalarField& faceFlux,
    const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
    tmp<surfaceScalarField> tweights = tinterpScheme_().weights(vf);
    const surfaceScalarField& weights = tweights();
 
    tmp<fvMatrix<Type> > tfvm
    (
        new fvMatrix<Type>
        (
            vf,
            faceFlux.dimensions()*vf.dimensions()
        )
    );
    fvMatrix<Type>& fvm = tfvm();
 
    fvm.lower() = -weights.internalField()*faceFlux.internalField();
    fvm.upper() = fvm.lower() + faceFlux.internalField();
    fvm.negSumDiag();
 
    forAll(vf.boundaryField(), patchI)
    {
        const fvPatchField<Type>& psf = vf.boundaryField()[patchI];
        const fvsPatchScalarField& patchFlux = faceFlux.boundaryField()[patchI];
        const fvsPatchScalarField& pw = weights.boundaryField()[patchI];
 
        fvm.internalCoeffs()[patchI] = patchFlux*psf.valueInternalCoeffs(pw);
        fvm.boundaryCoeffs()[patchI] = -patchFlux*psf.valueBoundaryCoeffs(pw);
    }
 
    if (tinterpScheme_().corrected())
    {
        fvm += fvc::surfaceIntegrate(faceFlux*tinterpScheme_().correction(vf));
    }
 
    return tfvm;
}
 
 
template<class Type>
tmp<GeometricField<Type, fvPatchField, volMesh> >
gaussConvectionScheme<Type>::fvcDiv
(
    const surfaceScalarField& faceFlux,
    const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
    tmp<GeometricField<Type, fvPatchField, volMesh> > tConvection
    (
        fvc::surfaceIntegrate(flux(faceFlux, vf))
    );
 
    tConvection().rename
    (
        "convection(" + faceFlux.name() + ',' + vf.name() + ')'
    );
 
    return tConvection;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //