momentumTransportModel.H

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License
    This file is part of OpenFOAM.

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    You should have received a copy of the GNU General Public License
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Class
    Foam::momentumTransportModel

Description
    Abstract base class for turbulence models (RAS, LES and laminar).

SourceFiles
    momentumTransportModel.C

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

#ifndef momentumTransportModel_H
#define momentumTransportModel_H

#include "IOdictionary.H"
#include "primitiveFieldsFwd.H"
#include "volFieldsFwd.H"
#include "surfaceFieldsFwd.H"
#include "fvMatricesFwd.H"
#include "nearWallDist.H"
#include "geometricOneField.H"

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

namespace Foam
{

// Forward declarations
class fvMesh;

/*---------------------------------------------------------------------------*\
                   Class momentumTransportModel Declaration
\*---------------------------------------------------------------------------*/

class momentumTransportModel
:
    public IOdictionary
{
protected:

    // Protected data

        const Time& runTime_;
        const fvMesh& mesh_;

        const volVectorField& U_;
        const surfaceScalarField& alphaRhoPhi_;
        const surfaceScalarField& phi_;

        //- Near wall distance boundary field
        nearWallDist y_;


    // Protected member functions

        static IOdictionary readModelDict
        (
            const objectRegistry& obr,
            const word& group,
            bool registerObject = false
        );


public:

    //- Runtime type information
    TypeName("momentumTransport");


    // Constructors

        //- Construct from components
        momentumTransportModel
        (
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi
        );

        //- Disallow default bitwise copy construction
        momentumTransportModel(const momentumTransportModel&) = delete;


    //- Destructor
    virtual ~momentumTransportModel()
    {}


    // Member Functions

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

        const Time& time() const
        {
            return runTime_;
        }

        const fvMesh& mesh() const
        {
            return mesh_;
        }

        //- Const access to the coefficients dictionary
        virtual const dictionary& coeffDict() const = 0;

        //- Helper function to return the name of the turbulence G field
        inline word GName() const
        {
            return modelName("G");
        }

        //- Access function to velocity field
        inline const volVectorField& U() const
        {
            return U_;
        }

        //- Access function to phase flux field
        inline const surfaceScalarField& alphaRhoPhi() const
        {
            return alphaRhoPhi_;
        }

        //- Return the volumetric flux field
        virtual tmp<surfaceScalarField> phi() const;

        //- Return the near wall distances
        const nearWallDist& y() const
        {
            return y_;
        }

        //- Return the laminar viscosity
        virtual tmp<volScalarField> nu() const = 0;

        //- Return the laminar viscosity on patch
        virtual tmp<scalarField> nu(const label patchi) const = 0;

        //- Return the turbulence viscosity
        virtual tmp<volScalarField> nut() const = 0;

        //- Return the turbulence viscosity on patch
        virtual tmp<scalarField> nut(const label patchi) const = 0;

        //- Return the effective viscosity
        virtual tmp<volScalarField> nuEff() const = 0;

        //- Return the effective viscosity on patch
        virtual tmp<scalarField> nuEff(const label patchi) const = 0;

        //- Return the laminar dynamic viscosity
        virtual tmp<volScalarField> mu() const = 0;

        //- Return the laminar dynamic viscosity on patch
        virtual tmp<scalarField> mu(const label patchi) const = 0;

        //- Return the turbulence dynamic viscosity
        virtual tmp<volScalarField> mut() const = 0;

        //- Return the turbulence dynamic viscosity on patch
        virtual tmp<scalarField> mut(const label patchi) const = 0;

        //- Return the effective dynamic viscosity
        virtual tmp<volScalarField> muEff() const = 0;

        //- Return the effective dynamic viscosity on patch
        virtual tmp<scalarField> muEff(const label patchi) const = 0;

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

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

        //- Return the stress tensor [m^2/s^2]
        virtual tmp<volSymmTensorField> sigma() const = 0;

        //- Validate the turbulence fields after construction
        //  Update derived fields as required
        virtual void validate();

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


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const momentumTransportModel&) = delete;
};


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

} // End namespace Foam

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

#endif

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