138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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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 "transport.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 XiModels
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{
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defineTypeNameAndDebug(transport, 0);
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addToRunTimeSelectionTable(XiModel, transport, dictionary);
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};
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};
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::XiModels::transport::transport
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(
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const dictionary& XiProperties,
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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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const volScalarField& rho,
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const volScalarField& b,
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const surfaceScalarField& phi
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)
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:
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XiModel(XiProperties, thermo, turbulence, Su, rho, b, phi),
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XiShapeCoef(readScalar(XiModelCoeffs_.lookup("XiShapeCoef"))),
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XiEqModel_(XiEqModel::New(XiProperties, thermo, turbulence, Su)),
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XiGModel_(XiGModel::New(XiProperties, thermo, turbulence, Su))
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{}
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// * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
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Foam::XiModels::transport::~transport()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::XiModels::transport::Db() const
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{
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return XiGModel_->Db();
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}
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void Foam::XiModels::transport::correct
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(
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const fv::convectionScheme<scalar>& mvConvection
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)
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{
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volScalarField XiEqEta = XiEqModel_->XiEq();
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volScalarField GEta = XiGModel_->G();
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volScalarField R = GEta*XiEqEta/(XiEqEta - 0.999);
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volScalarField XiEqStar = R/(R - GEta);
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volScalarField XiEq =
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1.0 + (1.0 + (2*XiShapeCoef)*(0.5 - b_))*(XiEqStar - 1.0);
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volScalarField G = R*(XiEq - 1.0)/XiEq;
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const objectRegistry& db = b_.db();
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const volScalarField& betav = db.lookupObject<volScalarField>("betav");
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const volScalarField& mgb = db.lookupObject<volScalarField>("mgb");
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const surfaceScalarField& phiSt =
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db.lookupObject<surfaceScalarField>("phiSt");
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const volScalarField& Db = db.lookupObject<volScalarField>("Db");
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const surfaceScalarField& nf = db.lookupObject<surfaceScalarField>("nf");
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surfaceScalarField phiXi
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(
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"phiXi",
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phiSt
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+ (
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- fvc::interpolate(fvc::laplacian(Db, b_)/mgb)*nf
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+ fvc::interpolate(rho_)*fvc::interpolate(Su_*(1.0/Xi_ - Xi_))*nf
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)
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);
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solve
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(
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betav*fvm::ddt(rho_, Xi_)
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+ mvConvection.fvmDiv(phi_, Xi_)
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+ fvm::div(phiXi, Xi_)
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- fvm::Sp(fvc::div(phiXi), Xi_)
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==
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betav*rho_*R
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- fvm::Sp(betav*rho_*(R - G), Xi_)
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);
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// Correct boundedness of Xi
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// ~~~~~~~~~~~~~~~~~~~~~~~~~
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Xi_.max(1.0);
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Xi_ = min(Xi_, 2.0*XiEq);
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}
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bool Foam::XiModels::transport::read(const dictionary& XiProperties)
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{
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XiModel::read(XiProperties);
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XiModelCoeffs_.lookup("XiShapeCoef") >> XiShapeCoef;
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return true;
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}
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// ************************************************************************* //
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