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158 lines
4.1 KiB
C
158 lines
4.1 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) 2004-2010 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 "basicXiSubXiEq.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(basicSubGrid, 0);
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addToRunTimeSelectionTable(XiEqModel, basicSubGrid, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::XiEqModels::basicSubGrid::basicSubGrid
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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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N_
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(
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IOobject
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(
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"N",
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Su.mesh().time().findInstance(polyMesh::meshSubDir, "N"),
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polyMesh::meshSubDir,
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Su.mesh(),
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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),
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Su.mesh()
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),
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ns_
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(
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IOobject
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(
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"ns",
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Su.mesh().time().findInstance(polyMesh::meshSubDir, "ns"),
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polyMesh::meshSubDir,
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Su.mesh(),
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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),
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Su.mesh()
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),
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B_
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(
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IOobject
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(
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"B",
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Su.mesh().time().findInstance(polyMesh::meshSubDir, "B"),
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polyMesh::meshSubDir,
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Su.mesh(),
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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),
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Su.mesh()
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),
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Lobs_
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(
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IOobject
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(
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"Lobs",
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Su.mesh().time().findInstance(polyMesh::meshSubDir, "Lobs"),
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polyMesh::meshSubDir,
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Su.mesh(),
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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),
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Su.mesh()
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),
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XiEqModel_(XiEqModel::New(XiEqModelCoeffs_, thermo, turbulence, Su))
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{}
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// * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
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Foam::XiEqModels::basicSubGrid::~basicSubGrid()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::XiEqModels::basicSubGrid::XiEq() const
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{
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const objectRegistry& db = Su_.db();
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const volVectorField& U = db.lookupObject<volVectorField>("U");
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volScalarField magU(mag(U));
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volVectorField Uhat
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(
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U/(mag(U) + dimensionedScalar("Usmall", U.dimensions(), 1e-4))
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);
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volScalarField n(max(N_ - (Uhat & ns_ & Uhat), scalar(1e-4)));
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volScalarField b((Uhat & B_ & Uhat)/n);
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volScalarField up(sqrt((2.0/3.0)*turbulence_.k()));
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volScalarField XiSubEq
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(
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scalar(1)
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+ max(2.2*sqrt(b), min(0.34*magU/up, scalar(1.6)))
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*min(0.25*n, scalar(1))
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);
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return XiSubEq*XiEqModel_->XiEq();
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}
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bool Foam::XiEqModels::basicSubGrid::read(const dictionary& XiEqProperties)
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{
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XiEqModel::read(XiEqProperties);
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return XiEqModel_->read(XiEqModelCoeffs_);
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}
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// ************************************************************************* //
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