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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "Gulder.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace XiEqModels
{
defineTypeNameAndDebug(Gulder, 0);
addToRunTimeSelectionTable(XiEqModel, Gulder, dictionary);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::XiEqModels::Gulder::Gulder
(
const dictionary& XiEqProperties,
const psiuReactionThermo& thermo,
const compressible::RASModel& turbulence,
const volScalarField& Su
)
:
XiEqModel(XiEqProperties, thermo, turbulence, Su),
XiEqCoef_(readScalar(XiEqModelCoeffs_.lookup("XiEqCoef"))),
SuMin_(0.01*Su.average()),
uPrimeCoef_(readScalar(XiEqModelCoeffs_.lookup("uPrimeCoef"))),
subGridSchelkin_
(
readBool(XiEqModelCoeffs_.lookup("subGridSchelkin"))
)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::XiEqModels::Gulder::~Gulder()
{}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
Foam::tmp<Foam::volScalarField> Foam::XiEqModels::Gulder::XiEq() const
{
volScalarField up(sqrt((2.0/3.0)*turbulence_.k()));
const volScalarField& epsilon = turbulence_.epsilon();
if (subGridSchelkin_)
{
up.primitiveFieldRef() += calculateSchelkinEffect(uPrimeCoef_);
}
volScalarField tauEta(sqrt(mag(thermo_.muu()/(thermo_.rhou()*epsilon))));
volScalarField Reta
(
up
/ (
sqrt(epsilon*tauEta)
+ dimensionedScalar("1e-8", up.dimensions(), 1e-8)
)
);
return (1.0 + XiEqCoef_*sqrt(up/(Su_ + SuMin_))*Reta);
}
bool Foam::XiEqModels::Gulder::read(const dictionary& XiEqProperties)
{
XiEqModel::read(XiEqProperties);
XiEqModelCoeffs_.lookup("XiEqCoef") >> XiEqCoef_;
XiEqModelCoeffs_.lookup("uPrimeCoef") >> uPrimeCoef_;
XiEqModelCoeffs_.lookup("subGridSchelkin") >> subGridSchelkin_;
return true;
}
// ************************************************************************* //
|
