Files
openfoam/src/finiteVolume/interpolation/surfaceInterpolation/schemes/reverseLinear/reverseLinear.H

158 lines
4.5 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 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/>.
Class
Foam::reverseLinear
Description
Inversed weight central-differencing interpolation scheme class.
Useful for inverse weighted and harmonic interpolations.
SourceFiles
reverseLinear.C
\*---------------------------------------------------------------------------*/
#ifndef reverseLinear_H
#define reverseLinear_H
#include "surfaceInterpolationScheme.H"
#include "volFields.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class reverseLinear Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class reverseLinear
:
public surfaceInterpolationScheme<Type>
{
// Private Member Functions
//- Disallow default bitwise assignment
void operator=(const reverseLinear&);
public:
//- Runtime type information
TypeName("reverseLinear");
// Constructors
//- Construct from mesh
reverseLinear(const fvMesh& mesh)
:
surfaceInterpolationScheme<Type>(mesh)
{}
//- Construct from Istream
reverseLinear(const fvMesh& mesh, Istream&)
:
surfaceInterpolationScheme<Type>(mesh)
{}
//- Construct from faceFlux and Istream
reverseLinear
(
const fvMesh& mesh,
const surfaceScalarField&,
Istream&
)
:
surfaceInterpolationScheme<Type>(mesh)
{}
// Member Functions
//- Return the interpolation weighting factors
tmp<surfaceScalarField> weights
(
const GeometricField<Type, fvPatchField, volMesh>&
) const
{
const fvMesh& mesh = this->mesh();
tmp<surfaceScalarField> tcdWeights
(
mesh.surfaceInterpolation::weights()
);
const surfaceScalarField& cdWeights = tcdWeights();
tmp<surfaceScalarField> treverseLinearWeights
(
new surfaceScalarField
(
IOobject
(
"reverseLinearWeights",
mesh.time().timeName(),
mesh
),
mesh,
dimless
)
);
surfaceScalarField& reverseLinearWeights = treverseLinearWeights();
reverseLinearWeights.internalField() =
1.0 - cdWeights.internalField();
forAll(mesh.boundary(), patchI)
{
if (reverseLinearWeights.boundaryField()[patchI].coupled())
{
reverseLinearWeights.boundaryField()[patchI] =
1.0 - cdWeights.boundaryField()[patchI];
}
else
{
reverseLinearWeights.boundaryField()[patchI] =
cdWeights.boundaryField()[patchI];
}
}
return treverseLinearWeights;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //