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src
transportModels
interfaceProperties
interfaceCompression
interfaceCompression.H
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::interfaceCompressionLimiter
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Description
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Interface compression scheme currently based on the generic limited
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scheme although it does not use the NVD/TVD functions.
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SourceFiles
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interfaceCompression.C
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\*---------------------------------------------------------------------------*/
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#ifndef interfaceCompression_H
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#define interfaceCompression_H
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#include <
OpenFOAM/vector.H
>
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace
Foam
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{
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/*---------------------------------------------------------------------------*\
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Class interfaceCompressionWeight Declaration
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\*---------------------------------------------------------------------------*/
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class
interfaceCompressionLimiter
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{
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public
:
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interfaceCompressionLimiter
(
Istream
&)
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{}
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scalar
limiter
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(
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const
scalar cdWeight,
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const
scalar faceFlux,
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const
scalar& phiP,
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const
scalar& phiN,
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const
vector
&,
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const
scalar&
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)
const
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{
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// Quadratic compression scheme
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//return min(max(4*min(phiP*(1 - phiP), phiN*(1 - phiN)), 0), 1);
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// Quartic compression scheme
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return
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min
(
max
(
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1 -
max
(
sqr
(1 - 4*phiP*(1 - phiP)),
sqr
(1 - 4*phiN*(1 - phiN))),
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0), 1);
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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}
// End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************ vim: set sw=4 sts=4 et: ************************ //