205 lines
4.9 KiB
C
205 lines
4.9 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) 2015 OpenFOAM Foundation
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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 "WALE.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace LESModels
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{
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// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
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template<class BasicTurbulenceModel>
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tmp<volSymmTensorField> WALE<BasicTurbulenceModel>::Sd
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(
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const volTensorField& gradU
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) const
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{
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return dev(symm(gradU & gradU));
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}
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template<class BasicTurbulenceModel>
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tmp<volScalarField> WALE<BasicTurbulenceModel>::k
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(
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const volTensorField& gradU
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) const
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{
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volScalarField magSqrSd(magSqr(Sd(gradU)));
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return tmp<volScalarField>
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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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IOobject::groupName("k", this->U_.group()),
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this->runTime_.timeName(),
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this->mesh_
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),
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sqr(sqr(Cw_)*this->delta()/Ck_)*
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(
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pow3(magSqrSd)
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/(
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sqr
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(
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pow(magSqr(symm(gradU)), 5.0/2.0)
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+ pow(magSqrSd, 5.0/4.0)
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)
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+ dimensionedScalar
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(
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"SMALL",
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dimensionSet(0, 0, -10, 0, 0),
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SMALL
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)
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)
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)
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)
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);
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}
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template<class BasicTurbulenceModel>
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void WALE<BasicTurbulenceModel>::correctNut()
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{
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this->nut_ = Ck_*this->delta()*sqrt(this->k(fvc::grad(this->U_)));
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this->nut_.correctBoundaryConditions();
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class BasicTurbulenceModel>
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WALE<BasicTurbulenceModel>::WALE
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(
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const alphaField& alpha,
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const rhoField& rho,
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const volVectorField& U,
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const surfaceScalarField& alphaRhoPhi,
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const surfaceScalarField& phi,
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const transportModel& transport,
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const word& propertiesName,
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const word& type
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)
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:
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LESeddyViscosity<BasicTurbulenceModel>
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(
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type,
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alpha,
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rho,
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U,
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alphaRhoPhi,
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phi,
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transport,
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propertiesName
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),
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Ck_
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(
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dimensioned<scalar>::lookupOrAddToDict
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(
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"Ck",
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this->coeffDict_,
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0.094
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)
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),
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Cw_
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(
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dimensioned<scalar>::lookupOrAddToDict
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(
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"Cw",
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this->coeffDict_,
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0.325
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)
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)
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{
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if (type == typeName)
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{
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correctNut();
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this->printCoeffs(type);
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}
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class BasicTurbulenceModel>
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bool WALE<BasicTurbulenceModel>::read()
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{
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if (LESeddyViscosity<BasicTurbulenceModel>::read())
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{
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Ck_.readIfPresent(this->coeffDict());
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Cw_.readIfPresent(this->coeffDict());
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return true;
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}
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else
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{
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return false;
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}
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}
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template<class BasicTurbulenceModel>
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tmp<volScalarField> WALE<BasicTurbulenceModel>::epsilon() const
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{
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volScalarField k(this->k(fvc::grad(this->U_)));
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return tmp<volScalarField>
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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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IOobject::groupName("epsilon", this->U_.group()),
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this->runTime_.timeName(),
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this->mesh_,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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this->Ce_*k*sqrt(k)/this->delta()
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)
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);
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}
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template<class BasicTurbulenceModel>
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void WALE<BasicTurbulenceModel>::correct()
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{
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LESeddyViscosity<BasicTurbulenceModel>::correct();
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correctNut();
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace LESModels
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} // End namespace Foam
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// ************************************************************************* //
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