linearViscousStress.H

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/*---------------------------------------------------------------------------*\
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License
    This file is part of OpenFOAM.

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Class
    Foam::linearViscousStress

Description
    Linear viscous stress turbulence model base class

SourceFiles
    linearViscousStress.C

\*---------------------------------------------------------------------------*/

#ifndef linearViscousStress_H
#define linearViscousStress_H

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class linearViscousStress Declaration
\*---------------------------------------------------------------------------*/

template<class BasicMomentumTransportModel>
class linearViscousStress
:
    public BasicMomentumTransportModel
{

public:

    typedef typename BasicMomentumTransportModel::alphaField alphaField;
    typedef typename BasicMomentumTransportModel::rhoField rhoField;
    typedef typename BasicMomentumTransportModel::transportModel transportModel;


    // Constructors

        //- Construct from components
        linearViscousStress
        (
            const word& modelName,
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport
        );


    //- Destructor
    virtual ~linearViscousStress()
    {}


    // Member Functions

        //- Re-read model coefficients if they have changed
        virtual bool read() = 0;

        //- Return the effective stress tensor
        virtual tmp<volSymmTensorField> devTau() const;

        //- Return the source term for the momentum equation
        virtual tmp<fvVectorMatrix> divDevTau(volVectorField& U) const;

        //- Return the source term for the momentum equation
        virtual tmp<fvVectorMatrix> divDevTau
        (
            const volScalarField& rho,
            volVectorField& U
        ) const;

        //- Solve the turbulence equations and correct the turbulence viscosity
        virtual void correct() = 0;
};


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "linearViscousStress.C"
#endif

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

#endif

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