linearViscousStress.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    You should have received a copy of the GNU General Public License
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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
{
protected:
 
    // Protected member functions
 
        //- Return the source term for the momentum equation
        template<class RhoFieldType>
        tmp<fvVectorMatrix> DivDevTau
        (
            const RhoFieldType& rho,
            volVectorField& U
        ) const;
 
 
public:
 
    typedef typename BasicMomentumTransportModel::alphaField alphaField;
    typedef typename BasicMomentumTransportModel::rhoField rhoField;
 
 
    // Constructors
 
        //- Construct from components
        linearViscousStress
        (
            const word& modelName,
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const viscosity& viscosity
        );
 
 
    //- Destructor
    virtual ~linearViscousStress()
    {}
 
 
    // Member Functions
 
        //- Re-read model coefficients if they have changed
        virtual bool read() = 0;
 
        //- Return the effective surface stress
        virtual tmp<surfaceVectorField> 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
 
// ************************************************************************* //