/usr/include/freefoam/finiteVolume/faceLimitedGrad.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
Foam::fv::faceLimitedGrad
Description
faceLimitedGrad gradient scheme applied to a runTime selected base gradient
scheme.
The scalar limiter based on limiting the extrapolated face values
between the face-neighbour cell values and is applied to all components
of the gradient.
SourceFiles
faceLimitedGrad.C
\*---------------------------------------------------------------------------*/
#ifndef faceLimitedGrad_H
#define faceLimitedGrad_H
#include <finiteVolume/gradScheme.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace fv
{
/*---------------------------------------------------------------------------*\
Class faceLimitedGrad Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class faceLimitedGrad
:
public fv::gradScheme<Type>
{
// Private Data
tmp<fv::gradScheme<Type> > basicGradScheme_;
//- Limiter coefficient
const scalar k_;
// Private Member Functions
inline void limitFace
(
scalar& limiter,
const scalar maxDelta,
const scalar minDelta,
const scalar extrapolate
) const;
//- Disallow default bitwise copy construct
faceLimitedGrad(const faceLimitedGrad&);
//- Disallow default bitwise assignment
void operator=(const faceLimitedGrad&);
public:
//- RunTime type information
TypeName("faceLimited");
// Constructors
//- Construct from mesh and schemeData
faceLimitedGrad(const fvMesh& mesh, Istream& schemeData)
:
gradScheme<Type>(mesh),
basicGradScheme_(fv::gradScheme<Type>::New(mesh, schemeData)),
k_(readScalar(schemeData))
{
if (k_ < 0 || k_ > 1)
{
FatalIOErrorIn
(
"faceLimitedGrad(const fvMesh&, Istream& schemeData)",
schemeData
) << "coefficient = " << k_
<< " should be >= 0 and <= 1"
<< exit(FatalIOError);
}
}
// Member Functions
tmp
<
GeometricField
<typename outerProduct<vector, Type>::type, fvPatchField, volMesh>
> grad
(
const GeometricField<Type, fvPatchField, volMesh>&
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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