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instabilityG.C

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 \*---------------------------------------------------------------------------*/
00025 
00026 #include "instabilityG.H"
00027 #include <OpenFOAM/addToRunTimeSelectionTable.H>
00028 
00029 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
00030 
00031 namespace Foam
00032 {
00033 namespace XiGModels
00034 {
00035     defineTypeNameAndDebug(instabilityG, 0);
00036     addToRunTimeSelectionTable(XiGModel, instabilityG, dictionary);
00037 };
00038 };
00039 
00040 
00041 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00042 
00043 Foam::XiGModels::instabilityG::instabilityG
00044 (
00045     const dictionary& XiGProperties,
00046     const hhuCombustionThermo& thermo,
00047     const compressible::RASModel& turbulence,
00048     const volScalarField& Su
00049 )
00050 :
00051     XiGModel(XiGProperties, thermo, turbulence, Su),
00052     GIn(XiGModelCoeffs_.lookup("GIn")),
00053     lambdaIn(XiGModelCoeffs_.lookup("lambdaIn")),
00054     XiGModel_(XiGModel::New(XiGModelCoeffs_, thermo, turbulence, Su))
00055 {}
00056 
00057 
00058 // * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
00059 
00060 Foam::XiGModels::instabilityG::~instabilityG()
00061 {}
00062 
00063 
00064 // * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
00065 
00066 Foam::tmp<Foam::volScalarField> Foam::XiGModels::instabilityG::G() const
00067 {
00068     volScalarField turbXiG = XiGModel_->G();
00069     return GIn*GIn/(GIn + turbXiG) + turbXiG;
00070 }
00071 
00072 
00073 Foam::tmp<Foam::volScalarField> Foam::XiGModels::instabilityG::Db() const
00074 {
00075     const objectRegistry& db = Su_.db();
00076     const volScalarField& Xi = db.lookupObject<volScalarField>("Xi");
00077     const volScalarField& rho = db.lookupObject<volScalarField>("rho");
00078     const volScalarField& mgb = db.lookupObject<volScalarField>("mgb");
00079 
00080     return XiGModel_->Db()
00081         + rho*Su_*(Xi - 1.0)*mgb*(0.5*lambdaIn)/(mgb + 1.0/lambdaIn);
00082 }
00083 
00084 
00085 bool Foam::XiGModels::instabilityG::read(const dictionary& XiGProperties)
00086 {
00087     XiGModel::read(XiGProperties);
00088 
00089     XiGModelCoeffs_.lookup("GIn") >> GIn;
00090     XiGModelCoeffs_.lookup("lambdaIn") >> lambdaIn;
00091 
00092     return true;
00093 }
00094 
00095 
00096 // ************************ vim: set sw=4 sts=4 et: ************************ //
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