94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
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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 held by original author
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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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "Gulder.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace XiEqModels
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{
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defineTypeNameAndDebug(Gulder, 0);
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addToRunTimeSelectionTable(XiEqModel, Gulder, dictionary);
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};
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};
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::XiEqModels::Gulder::Gulder
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(
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const dictionary& XiEqProperties,
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const hhuCombustionThermo& thermo,
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const compressible::RASModel& turbulence,
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const volScalarField& Su
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)
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:
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XiEqModel(XiEqProperties, thermo, turbulence, Su),
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XiEqCoef(readScalar(XiEqModelCoeffs_.lookup("XiEqCoef"))),
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SuMin(0.01*Su.average())
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{}
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// * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
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Foam::XiEqModels::Gulder::~Gulder()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::XiEqModels::Gulder::XiEq() const
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{
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volScalarField up = sqrt((2.0/3.0)*turbulence_.k());
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const volScalarField& epsilon = turbulence_.epsilon();
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volScalarField tauEta = sqrt(mag(thermo_.muu()/(thermo_.rhou()*epsilon)));
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volScalarField Reta = up/
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(
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sqrt(epsilon*tauEta)
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+ dimensionedScalar("1e-8", up.dimensions(), 1e-8)
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);
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return 1.0 + XiEqCoef*sqrt(up/(Su_ + SuMin))*Reta;
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}
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bool Foam::XiEqModels::Gulder::read(const dictionary& XiEqProperties)
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{
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XiEqModel::read(XiEqProperties);
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XiEqModelCoeffs_.lookup("XiEqCoef") >> XiEqCoef;
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return true;
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}
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// ************************************************************************* //
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