/usr/include/freefoam/finiteVolume/Gamma.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 | /*---------------------------------------------------------------------------*\
========= |
\\ / 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::GammaLimiter
Description
Class with limiter function which returns the limiter for the
Gamma differencing scheme based on phict obtained from the LimiterFunc
class.
Used in conjunction with the template class LimitedScheme.
SourceFiles
Gamma.C
\*---------------------------------------------------------------------------*/
#ifndef Gamma_H
#define Gamma_H
#include <OpenFOAM/vector.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class GammaLimiter Declaration
\*---------------------------------------------------------------------------*/
template<class LimiterFunc>
class GammaLimiter
:
public LimiterFunc
{
scalar k_;
public:
GammaLimiter(Istream& is)
:
k_(readScalar(is))
{
if (k_ < 0 || k_ > 1)
{
FatalIOErrorIn("GammaLimiter(Istream& is)", is)
<< "coefficient = " << k_
<< " should be >= 0 and <= 1"
<< exit(FatalIOError);
}
// Rescale k_ to be >= 0 and <= 0.5 (TVD conformant)
// and avoid the /0 when k_ = 0
k_ = max(k_/2.0, SMALL);
}
scalar limiter
(
const scalar cdWeight,
const scalar faceFlux,
const typename LimiterFunc::phiType& phiP,
const typename LimiterFunc::phiType& phiN,
const typename LimiterFunc::gradPhiType& gradcP,
const typename LimiterFunc::gradPhiType& gradcN,
const vector& d
) const
{
scalar phict = LimiterFunc::phict
(
faceFlux, phiP, phiN, gradcP, gradcN, d
);
return min(max(phict/k_, 0), 1);
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
|