eddyViscosity.H

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License
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Class
    Foam::eddyViscosity

Description
    Eddy viscosity turbulence model base class

SourceFiles
    eddyViscosity.C

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

#ifndef eddyViscosity_H
#define eddyViscosity_H

#include "linearViscousStress.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                        Class eddyViscosity Declaration
\*---------------------------------------------------------------------------*/

template<class BasicMomentumTransportModel>
class eddyViscosity
:
    public linearViscousStress<BasicMomentumTransportModel>
{

protected:

    // Protected data

        // Fields

            volScalarField nut_;


    // Protected Member Functions

        virtual void correctNut() = 0;


public:

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


    // Constructors

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


    //- Destructor
    virtual ~eddyViscosity()
    {}


    // Member Functions

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

        //- Return the turbulence viscosity
        virtual tmp<volScalarField> nut() const
        {
            return nut_;
        }

        //- Return the turbulence viscosity on patch
        virtual tmp<scalarField> nut(const label patchi) const
        {
            return nut_.boundaryField()[patchi];
        }

        //- Return the turbulence kinetic energy
        virtual tmp<volScalarField> k() const = 0;

        //- Return the Reynolds stress tensor [m^2/s^2]
        virtual tmp<volSymmTensorField> sigma() const;

        //- Validate the turbulence fields after construction
        //  Update turbulence viscosity and other derived fields as requires
        virtual void validate();

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


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

} // End namespace Foam

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

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

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

#endif

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