LESeddyViscosity.C

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#include "LESeddyViscosity.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace LESModels
{

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class BasicMomentumTransportModel>
LESeddyViscosity<BasicMomentumTransportModel>::LESeddyViscosity
(
    const word& type,
    const alphaField& alpha,
    const rhoField& rho,
    const volVectorField& U,
    const surfaceScalarField& alphaRhoPhi,
    const surfaceScalarField& phi,
    const viscosity& viscosity
)
:
    eddyViscosity<LESModel<BasicMomentumTransportModel>>
    (
        type,
        alpha,
        rho,
        U,
        alphaRhoPhi,
        phi,
        viscosity
    ),

    Ck_
    (
        dimensioned<scalar>::lookupOrAddToDict
        (
            "Ck",
            this->coeffDict_,
            0.094
        )
    ),

    Ce_
    (
        dimensioned<scalar>::lookupOrAddToDict
        (
            "Ce",
            this->coeffDict_,
            1.048
        )
    )
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class BasicMomentumTransportModel>
bool LESeddyViscosity<BasicMomentumTransportModel>::read()
{
    if (eddyViscosity<LESModel<BasicMomentumTransportModel>>::read())
    {
        Ck_.readIfPresent(this->coeffDict());
        Ce_.readIfPresent(this->coeffDict());

        return true;
    }
    else
    {
        return false;
    }
}


template<class BasicMomentumTransportModel>
tmp<volScalarField>
LESeddyViscosity<BasicMomentumTransportModel>::epsilon() const
{
    tmp<volScalarField> tk(this->k());

    return volScalarField::New
    (
        IOobject::groupName("epsilon", this->alphaRhoPhi_.group()),
        Ce_*tk()*sqrt(tk())/this->delta()
    );
}


template<class BasicMomentumTransportModel>
tmp<volScalarField>
LESeddyViscosity<BasicMomentumTransportModel>::omega() const
{
    tmp<volScalarField> tk(this->k());

    return volScalarField::New
    (
        IOobject::groupName("omega", this->alphaRhoPhi_.group()),
        (Ce_/Ck_)*sqrt(tk())/this->delta()
    );
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace LESModels
} // End namespace Foam

// ************************************************************************* //