nonlinearEddyViscosity.C

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#include "nonlinearEddyViscosity.H"
#include "fvc.H"
#include "fvm.H"

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

template<class BasicMomentumTransportModel>
Foam::nonlinearEddyViscosity<BasicMomentumTransportModel>::
nonlinearEddyViscosity
(
    const word& modelName,
    const alphaField& alpha,
    const rhoField& rho,
    const volVectorField& U,
    const surfaceScalarField& alphaRhoPhi,
    const surfaceScalarField& phi,
    const transportModel& transport
)
:
    eddyViscosity<BasicMomentumTransportModel>
    (
        modelName,
        alpha,
        rho,
        U,
        alphaRhoPhi,
        phi,
        transport
    ),

    nonlinearStress_
    (
        IOobject
        (
            IOobject::groupName("nonlinearStress", alphaRhoPhi.group()),
            this->runTime_.timeName(),
            this->mesh_
        ),
        this->mesh_,
        dimensionedSymmTensor
        (
            "nonlinearStress",
            sqr(dimVelocity),
            Zero
        )
    )
{}


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

template<class BasicMomentumTransportModel>
Foam::tmp<Foam::volSymmTensorField>
Foam::nonlinearEddyViscosity<BasicMomentumTransportModel>::sigma() const
{
    tmp<volSymmTensorField> tR
    (
        eddyViscosity<BasicMomentumTransportModel>::sigma()
    );
    tR.ref() += nonlinearStress_;
    return tR;
}


template<class BasicMomentumTransportModel>
Foam::tmp<Foam::volSymmTensorField>
Foam::nonlinearEddyViscosity<BasicMomentumTransportModel>::devTau() const
{
    tmp<volSymmTensorField> tdevTau
    (
        eddyViscosity<BasicMomentumTransportModel>::devTau()
    );
    tdevTau.ref() += this->rho_*nonlinearStress_;
    return tdevTau;
}


template<class BasicMomentumTransportModel>
Foam::tmp<Foam::fvVectorMatrix>
Foam::nonlinearEddyViscosity<BasicMomentumTransportModel>::divDevTau
(
    volVectorField& U
) const
{
    return
    (
        fvc::div(this->rho_*nonlinearStress_)
      + eddyViscosity<BasicMomentumTransportModel>::divDevTau(U)
    );
}


template<class BasicMomentumTransportModel>
Foam::tmp<Foam::fvVectorMatrix>
Foam::nonlinearEddyViscosity<BasicMomentumTransportModel>::divDevTau
(
    const volScalarField& rho,
    volVectorField& U
) const
{
    return
    (
        fvc::div(rho*nonlinearStress_)
      + eddyViscosity<BasicMomentumTransportModel>::divDevTau(rho, U)
    );
}


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