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sigmaRadial.C

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 \*---------------------------------------------------------------------------*/
00025 
00026 #include "sigmaRadial.H"
00027 #include <OpenFOAM/addToRunTimeSelectionTable.H>
00028 
00029 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00030 
00031 namespace Foam
00032 {
00033 namespace extrudeModels
00034 {
00035 
00036 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
00037 
00038 defineTypeNameAndDebug(sigmaRadial, 0);
00039 
00040 addToRunTimeSelectionTable(extrudeModel, sigmaRadial, dictionary);
00041 
00042 
00043 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00044 
00045 sigmaRadial::sigmaRadial(const dictionary& dict)
00046 :
00047     extrudeModel(typeName, dict),
00048     RTbyg_(readScalar(coeffDict_.lookup("RTbyg"))),
00049     pRef_(readScalar(coeffDict_.lookup("pRef"))),
00050     pStrat_(readScalar(coeffDict_.lookup("pStrat")))
00051 {}
00052 
00053 
00054 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
00055 
00056 sigmaRadial::~sigmaRadial()
00057 {}
00058 
00059 
00060 // * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
00061 
00062 point sigmaRadial::operator()
00063 (
00064     const point& surfacePoint,
00065     const vector& surfaceNormal,
00066     const label layer
00067 ) const
00068 {
00069     // radius of the surface
00070     scalar rs = mag(surfacePoint);
00071     vector rsHat = surfacePoint/rs;
00072 
00073     scalar p = pRef_ - layer*(pRef_ - pStrat_)/nLayers_;
00074     scalar r = rs - RTbyg_*log(p/pRef_);
00075 
00076     return r*rsHat;
00077 }
00078 
00079 
00080 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00081 
00082 } // End namespace extrudeModels
00083 } // End namespace Foam
00084 
00085 // ************************ vim: set sw=4 sts=4 et: ************************ //
00086 
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