/usr/include/freefoam/finiteVolume/limitedLinear.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
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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::limitedLinearLimiter
Description
Class with limiter function which returns the limiter for the
TVD limited linear differencing scheme based on r obtained from the
LimiterFunc class.
Used in conjunction with the template class LimitedScheme.
SourceFiles
limitedLinear.C
\*---------------------------------------------------------------------------*/
#ifndef limitedLinear_H
#define limitedLinear_H
#include <OpenFOAM/vector.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class limitedLinearLimiter Declaration
\*---------------------------------------------------------------------------*/
template<class LimiterFunc>
class limitedLinearLimiter
:
public LimiterFunc
{
scalar k_;
scalar twoByk_;
public:
limitedLinearLimiter(Istream& is)
:
k_(readScalar(is))
{
if (k_ < 0 || k_ > 1)
{
FatalIOErrorIn("limitedLinearLimiter(Istream& is)", is)
<< "coefficient = " << k_
<< " should be >= 0 and <= 1"
<< exit(FatalIOError);
}
// Avoid the /0 when k_ = 0
twoByk_ = 2.0/max(k_, 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 r = LimiterFunc::r
(
faceFlux, phiP, phiN, gradcP, gradcN, d
);
return max(min(twoByk_*r, 1), 0);
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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