/usr/include/freefoam/finiteVolume/clippedLinear.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /*---------------------------------------------------------------------------*\
========= |
\\ / 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::clippedLinear
Description
Central-differencing interpolation scheme using clipped-weights to
improve stability on meshes with very rapid variations in cell size.
SourceFiles
clippedLinear.C
\*---------------------------------------------------------------------------*/
#ifndef clippedLinear_H
#define clippedLinear_H
#include <finiteVolume/surfaceInterpolationScheme.H>
#include <finiteVolume/volFields.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class clippedLinear Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class clippedLinear
:
public surfaceInterpolationScheme<Type>
{
// Private data
const scalar cellSizeRatio_;
scalar wfLimit_;
// Private Member Functions
void calcWfLimit()
{
if (cellSizeRatio_ <= 0 || cellSizeRatio_ > 1)
{
FatalErrorIn("clippedLinear::calcWfLimit()")
<< "Given cellSizeRatio of " << cellSizeRatio_
<< " is not between 0 and 1"
<< exit(FatalError);
}
wfLimit_ = cellSizeRatio_/(1.0 + cellSizeRatio_);
}
//- Disallow default bitwise assignment
void operator=(const clippedLinear&);
public:
//- Runtime type information
TypeName("clippedLinear");
// Constructors
//- Construct from mesh and cellSizeRatio
clippedLinear(const fvMesh& mesh, const scalar cellSizeRatio)
:
surfaceInterpolationScheme<Type>(mesh),
cellSizeRatio_(cellSizeRatio)
{
calcWfLimit();
}
//- Construct from Istream
clippedLinear(const fvMesh& mesh, Istream& is)
:
surfaceInterpolationScheme<Type>(mesh),
cellSizeRatio_(readScalar(is))
{
calcWfLimit();
}
//- Construct from faceFlux and Istream
clippedLinear
(
const fvMesh& mesh,
const surfaceScalarField&,
Istream& is
)
:
surfaceInterpolationScheme<Type>(mesh),
cellSizeRatio_(readScalar(is))
{
calcWfLimit();
}
// 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> tclippedLinearWeights
(
new surfaceScalarField
(
IOobject
(
"clippedLinearWeights",
mesh.time().timeName(),
mesh
),
mesh,
dimless
)
);
surfaceScalarField& clippedLinearWeights = tclippedLinearWeights();
clippedLinearWeights.internalField() =
max(min(cdWeights.internalField(), 1 - wfLimit_), wfLimit_);
forAll (mesh.boundary(), patchi)
{
if (mesh.boundary()[patchi].coupled())
{
clippedLinearWeights.boundaryField()[patchi] =
max
(
min
(
cdWeights.boundaryField()[patchi],
1 - wfLimit_
),
wfLimit_
);
}
else
{
clippedLinearWeights.boundaryField()[patchi] =
cdWeights.boundaryField()[patchi];
}
}
return tclippedLinearWeights;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
|