/usr/include/freefoam/finiteVolume/cubic.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::cubic
Description
Cubic interpolation scheme class derived from linear and returns
linear weighting factors but also applies an explicit correction.
SourceFiles
cubic.C
\*---------------------------------------------------------------------------*/
#ifndef cubic_H
#define cubic_H
#include <finiteVolume/linear.H>
#include <finiteVolume/gaussGrad.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class cubic Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class cubic
:
public linear<Type>
{
// Private Member Functions
//- Disallow default bitwise copy construct
cubic(const cubic&);
//- Disallow default bitwise assignment
void operator=(const cubic&);
public:
//- Runtime type information
TypeName("cubic");
// Constructors
//- Construct from mesh
cubic(const fvMesh& mesh)
:
linear<Type>(mesh)
{}
//- Construct from mesh and Istream
cubic
(
const fvMesh& mesh,
Istream&
)
:
linear<Type>(mesh)
{}
//- Construct from mesh, faceFlux and Istream
cubic
(
const fvMesh& mesh,
const surfaceScalarField&,
Istream&
)
:
linear<Type>(mesh)
{}
// Member Functions
//- Return true if this scheme uses an explicit correction
virtual bool corrected() const
{
return true;
}
//- Return the explicit correction to the face-interpolate
virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
correction
(
const GeometricField<Type, fvPatchField, volMesh>& vf
) const
{
const fvMesh& mesh = this->mesh();
// calculate the appropriate interpolation factors
const surfaceScalarField& lambda = mesh.weights();
surfaceScalarField kSc =
lambda*(scalar(1) - lambda*(scalar(3) - scalar(2)*lambda));
surfaceScalarField kVecP = sqr(scalar(1) - lambda)*lambda;
surfaceScalarField kVecN = sqr(lambda)*(lambda - scalar(1));
tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > tsfCorr
(
new GeometricField<Type, fvsPatchField, surfaceMesh>
(
IOobject
(
vf.name(),
mesh.time().timeName(),
mesh
),
surfaceInterpolationScheme<Type>::interpolate(vf, kSc, -kSc)
)
);
GeometricField<Type, fvsPatchField, surfaceMesh>& sfCorr = tsfCorr();
for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
{
sfCorr.replace
(
cmpt,
sfCorr.component(cmpt)
+ (
surfaceInterpolationScheme
<
typename outerProduct
<
vector,
typename pTraits<Type>::cmptType
>::type
>::interpolate
(
fv::gaussGrad
<typename pTraits<Type>::cmptType>(mesh)
.grad(vf.component(cmpt)),
kVecP,
kVecN
) & mesh.Sf()
)/mesh.magSf()/mesh.surfaceInterpolation::deltaCoeffs()
);
}
forAll (sfCorr.boundaryField(), pi)
{
if (!sfCorr.boundaryField()[pi].coupled())
{
sfCorr.boundaryField()[pi] = pTraits<Type>::zero;
}
}
return tsfCorr;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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