86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration |
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\\ / A nd | For copyright notice see file Copyright
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "sigmaRadial.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace extrudeModels
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{
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(sigmaRadial, 0);
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addToRunTimeSelectionTable(extrudeModel, sigmaRadial, dictionary);
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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sigmaRadial::sigmaRadial(const dictionary& dict)
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:
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extrudeModel(typeName, dict),
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RTbyg_(readScalar(coeffDict_.lookup("RTbyg"))),
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pRef_(readScalar(coeffDict_.lookup("pRef"))),
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pStrat_(readScalar(coeffDict_.lookup("pStrat")))
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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sigmaRadial::~sigmaRadial()
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{}
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// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
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point sigmaRadial::operator()
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(
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const point& surfacePoint,
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const vector& surfaceNormal,
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const label layer
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) const
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{
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// radius of the surface
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scalar rs = mag(surfacePoint);
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vector rsHat = surfacePoint/rs;
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scalar p = pRef_ - layer*(pRef_ - pStrat_)/nLayers_;
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scalar r = rs - RTbyg_*log(p/pRef_);
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return r*rsHat;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace extrudeModels
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} // End namespace Foam
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// ************************************************************************* //
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