nonlinearEddyViscosity.H

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    Copyright (C) 2015-2016 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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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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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::nonlinearEddyViscosity
 
Group
    grpTurbulence
 
Description
    Eddy viscosity turbulence model with non-linear correction base class
 
SourceFiles
    nonlinearEddyViscosity.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef nonlinearEddyViscosity_H
#define nonlinearEddyViscosity_H
 
#include "eddyViscosity.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class nonlinearEddyViscosity Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicTurbulenceModel>
class nonlinearEddyViscosity
:
    public eddyViscosity<BasicTurbulenceModel>
{
 
protected:
 
    // Protected data
 
        // Fields
 
            volSymmTensorField nonlinearStress_;
 
 
    // Protected Member Functions
 
        virtual void correctNonlinearStress(const volTensorField& gradU) = 0;
 
 
public:
 
    typedef typename BasicTurbulenceModel::alphaField alphaField;
    typedef typename BasicTurbulenceModel::rhoField rhoField;
    typedef typename BasicTurbulenceModel::transportModel transportModel;
 
 
    // Constructors
 
        //- Construct from components
        nonlinearEddyViscosity
        (
            const word& modelName,
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport,
            const word& propertiesName
        );
 
 
    //- Destructor
    virtual ~nonlinearEddyViscosity() = default;
 
 
    // Member Functions
 
        //- Return the Reynolds stress tensor
        virtual tmp<volSymmTensorField> R() const;
 
        //- Return the effective stress tensor
        virtual tmp<volSymmTensorField> devRhoReff() const;
 
        //- Return the effective stress tensor based on a given velocity field
        virtual tmp<volSymmTensorField> devRhoReff
        (
            const volVectorField& U
        ) const;
 
        //- Return the source term for the momentum equation
        virtual tmp<fvVectorMatrix> divDevRhoReff(volVectorField& U) const;
 
        //- Return the source term for the momentum equation
        virtual tmp<fvVectorMatrix> divDevRhoReff
        (
            const volScalarField& rho,
            volVectorField& U
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "nonlinearEddyViscosity.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //