154 lines
4.4 KiB
C
154 lines
4.4 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 "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)*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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