mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-12-28 03:37:59 +00:00
148 lines
3.8 KiB
C++
148 lines
3.8 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
|
|
\\/ 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::LimitedLimiter
|
|
|
|
Group
|
|
grpFvLimitedSurfaceInterpolationSchemes
|
|
|
|
Description
|
|
Foam::LimitedLimiter
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef Limited_H
|
|
#define Limited_H
|
|
|
|
#include "vector.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
/*---------------------------------------------------------------------------*\
|
|
Class LimitedLimiter Declaration
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
template<class LimitedScheme>
|
|
class LimitedLimiter
|
|
:
|
|
public LimitedScheme
|
|
{
|
|
//- Lower and upper bound of the variable
|
|
scalar lowerBound_, upperBound_;
|
|
|
|
void checkParameters(Istream& is)
|
|
{
|
|
if (lowerBound_ > upperBound_)
|
|
{
|
|
FatalIOErrorInFunction(is)
|
|
<< "Invalid bounds. Lower = " << lowerBound_
|
|
<< " Upper = " << upperBound_
|
|
<< ". Lower bound is higher than the upper bound."
|
|
<< exit(FatalIOError);
|
|
}
|
|
}
|
|
|
|
|
|
public:
|
|
|
|
LimitedLimiter
|
|
(
|
|
const scalar lowerBound,
|
|
const scalar upperBound,
|
|
Istream& is
|
|
)
|
|
:
|
|
LimitedScheme(is),
|
|
lowerBound_(lowerBound),
|
|
upperBound_(upperBound)
|
|
{
|
|
checkParameters(is);
|
|
}
|
|
|
|
LimitedLimiter(Istream& is)
|
|
:
|
|
LimitedScheme(is),
|
|
lowerBound_(readScalar(is)),
|
|
upperBound_(readScalar(is))
|
|
{
|
|
checkParameters(is);
|
|
}
|
|
|
|
|
|
scalar limiter
|
|
(
|
|
const scalar cdWeight,
|
|
const scalar faceFlux,
|
|
const scalar phiP,
|
|
const scalar phiN,
|
|
const vector& gradcP,
|
|
const vector& gradcN,
|
|
const vector& d
|
|
) const
|
|
{
|
|
// If not between the lower and upper bounds use upwind
|
|
if
|
|
(
|
|
(faceFlux > 0 && (phiP < lowerBound_ || phiN > upperBound_))
|
|
|| (faceFlux < 0 && (phiN < lowerBound_ || phiP > upperBound_))
|
|
/*
|
|
phiP < lowerBound_
|
|
|| phiP > upperBound_
|
|
|| phiN < lowerBound_
|
|
|| phiN > upperBound_
|
|
*/
|
|
)
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
return LimitedScheme::limiter
|
|
(
|
|
cdWeight,
|
|
faceFlux,
|
|
phiP,
|
|
phiN,
|
|
gradcP,
|
|
gradcN,
|
|
d
|
|
);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
#endif
|
|
|
|
// ************************************************************************* //
|