156 lines
4.4 KiB
C
156 lines
4.4 KiB
C
/*---------------------------------------------------------------------------*\
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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) 2004-2011 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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\*---------------------------------------------------------------------------*/
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#include "SCOPEXiEq.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(SCOPEXiEq, 0);
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addToRunTimeSelectionTable(XiEqModel, SCOPEXiEq, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::XiEqModels::SCOPEXiEq::SCOPEXiEq
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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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XiEqExp_(readScalar(XiEqModelCoeffs_.lookup("XiEqExp"))),
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lCoef_(readScalar(XiEqModelCoeffs_.lookup("lCoef"))),
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SuMin_(0.01*Su.average()),
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MaModel
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(
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IOdictionary
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(
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IOobject
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(
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"combustionProperties",
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Su.mesh().time().constant(),
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Su.mesh(),
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IOobject::MUST_READ
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)
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),
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thermo
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)
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{}
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// * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
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Foam::XiEqModels::SCOPEXiEq::~SCOPEXiEq()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::XiEqModels::SCOPEXiEq::XiEq() const
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{
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const volScalarField& k = turbulence_.k();
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const volScalarField& epsilon = turbulence_.epsilon();
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volScalarField up(sqrt((2.0/3.0)*k));
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volScalarField l(lCoef_*sqrt(3.0/2.0)*up*k/epsilon);
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volScalarField Rl(up*l*thermo_.rhou()/thermo_.muu());
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volScalarField upBySu(up/(Su_ + SuMin_));
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volScalarField K(0.157*upBySu/sqrt(Rl));
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volScalarField Ma(MaModel.Ma());
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tmp<volScalarField> tXiEq
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(
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new volScalarField
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(
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IOobject
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(
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"XiEq",
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epsilon.time().timeName(),
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epsilon.db(),
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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epsilon.mesh(),
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dimensionedScalar("XiEq", dimless, 0.0)
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)
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);
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volScalarField& xieq = tXiEq();
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forAll(xieq, celli)
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{
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if (Ma[celli] > 0.01)
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{
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xieq[celli] =
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XiEqCoef_*pow(K[celli]*Ma[celli], -XiEqExp_)*upBySu[celli];
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}
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}
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forAll(xieq.boundaryField(), patchi)
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{
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scalarField& xieqp = xieq.boundaryField()[patchi];
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const scalarField& Kp = K.boundaryField()[patchi];
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const scalarField& Map = Ma.boundaryField()[patchi];
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const scalarField& upBySup = upBySu.boundaryField()[patchi];
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forAll(xieqp, facei)
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{
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if (Ma[facei] > 0.01)
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{
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xieqp[facei] =
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XiEqCoef_*pow(Kp[facei]*Map[facei], -XiEqExp_)
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*upBySup[facei];
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}
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}
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}
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return tXiEq;
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}
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bool Foam::XiEqModels::SCOPEXiEq::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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XiEqModelCoeffs_.lookup("XiEqExp") >> XiEqExp_;
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XiEqModelCoeffs_.lookup("lCoef") >> lCoef_;
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return true;
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}
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// ************************************************************************* //
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