/usr/include/freefoam/finiteVolume/FitData.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::FitData
Description
Data for the upwinded and centred polynomial fit interpolation schemes.
The linearCorrection_ determines whether the fit is for a corrected
linear scheme (first two coefficients are corrections for owner and
neighbour) or a pure upwind scheme (first coefficient is correction for
owner ; weight on face taken as 1).
SourceFiles
FitData.C
\*---------------------------------------------------------------------------*/
#ifndef FitData_H
#define FitData_H
#include <OpenFOAM/MeshObject.H>
#include <finiteVolume/fvMesh.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class FitData Declaration
\*---------------------------------------------------------------------------*/
template<class FitDataType, class ExtendedStencil, class Polynomial>
class FitData
:
public MeshObject<fvMesh, FitDataType>
{
// Private data
//- The stencil the fit is based on
const ExtendedStencil& stencil_;
//- Is scheme correction on linear (true) or on upwind (false)
const bool linearCorrection_;
//- Factor the fit is allowed to deviate from the base scheme
// (linear or pure upwind)
// This limits the amount of high-order correction and increases
// stability on bad meshes
const scalar linearLimitFactor_;
//- Weights for central stencil
const scalar centralWeight_;
//- Dimensionality of the geometry
const label dim_;
//- Minimum stencil size
const label minSize_;
// Private member functions
//- Find the normal direction (i) and j and k directions for face faci
void findFaceDirs
(
vector& idir, // value changed in return
vector& jdir, // value changed in return
vector& kdir, // value changed in return
const label faci
);
public:
//TypeName("FitData");
// Constructors
//- Construct from components
FitData
(
const fvMesh& mesh,
const ExtendedStencil& stencil,
const bool linearCorrection,
const scalar linearLimitFactor,
const scalar centralWeight
);
//- Destructor
virtual ~FitData()
{}
// Member functions
//- Return reference to the stencil
const ExtendedStencil& stencil() const
{
return stencil_;
}
bool linearCorrection() const
{
return linearCorrection_;
}
//- Calculate the fit for the specified face and set the coefficients
void calcFit
(
scalarList& coeffsi, // coefficients to be set
const List<point>&, // Stencil points
const scalar wLin, // Weight for linear approximation (weights
// nearest neighbours)
const label faci // Current face index
);
//- Calculate the fit for all the faces
virtual void calcFit() = 0;
//- Recalculate weights (but not stencil) when the mesh moves
bool movePoints();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
# include "FitData.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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