/usr/include/freefoam/finiteVolume/quadraticFitSnGrad.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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/>.
Class
quadraticFitSnGrad
Description
Simple central-difference snGrad scheme with quadratic fit correction from
a larger stencil.
SourceFiles
quadraticFitSnGrad.C
\*---------------------------------------------------------------------------*/
#ifndef quadraticFitSnGrad_H
#define quadraticFitSnGrad_H
#include <finiteVolume/snGradScheme.H>
#include "quadraticFitSnGradData.H"
#include <finiteVolume/extendedCellToFaceStencil.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace fv
{
/*---------------------------------------------------------------------------*\
Class quadraticFitSnGrad Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class quadraticFitSnGrad
:
public snGradScheme<Type>
{
// Private Data
//- weights for central stencil
const scalar centralWeight_;
// Private Member Functions
//- Disallow default bitwise assignment
void operator=(const quadraticFitSnGrad&);
public:
//- Runtime type information
TypeName("quadraticFit");
// Constructors
//- Construct from mesh and scheme data
quadraticFitSnGrad
(
const fvMesh& mesh,
const scalar centralWeight
)
:
snGradScheme<Type>(mesh),
centralWeight_(centralWeight)
{}
//- Construct from mesh and data stream
quadraticFitSnGrad(const fvMesh& mesh, Istream& is)
:
snGradScheme<Type>(mesh),
centralWeight_(readScalar(is))
{}
// Destructor
virtual ~quadraticFitSnGrad() {}
// Member Functions
//- Return the interpolation weighting factors for the given field
virtual tmp<surfaceScalarField> deltaCoeffs
(
const GeometricField<Type, fvPatchField, volMesh>&
) const
{
return this->mesh().deltaCoeffs();
}
//- Return true if this scheme uses an explicit correction
virtual bool corrected() const
{
return true;
}
//- Return the explicit correction to the quadraticFitSnGrad
// for the given field
virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
correction(const GeometricField<Type, fvPatchField, volMesh>& vf) const
{
const fvMesh& mesh = this->mesh();
const quadraticFitSnGradData& qfd = quadraticFitSnGradData::New
(
mesh,
centralWeight_
);
const extendedCellToFaceStencil& stencil = qfd.stencil();
const List<scalarList>& f = qfd.fit();
tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > sft
= stencil.weightedSum(vf, f);
sft().dimensions() /= dimLength;
return sft;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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