/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    Foam::incompressible::LESModels::laminar

Description
    LES model for laminar incompressible flow.
    It simply returns laminar properties.

SourceFiles
    laminar.C

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

#ifndef lesLaminar_H
#define lesLaminar_H

#include <incompressibleLESModels/LESModel.H>
#include <finiteVolume/volFields.H>

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

namespace Foam
{
namespace incompressible
{
namespace LESModels
{

/*---------------------------------------------------------------------------*\
                           Class laminar Declaration
\*---------------------------------------------------------------------------*/

class laminar
:
    public LESModel
{
    // Private member functions

        // Disallow default bitwise copy construct and assignment
        laminar(const laminar&);
        laminar& operator=(const laminar&);


public:

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


    // Constructors

        //- Construct from components
        laminar
        (
            const volVectorField& U,
            const surfaceScalarField& phi,
            transportModel& transport
        );


    //- Destructor
    virtual ~laminar()
    {}


    // Member Functions

        //- Return SGS kinetic energy
        virtual tmp<volScalarField> k() const;

        //- Return sub-grid disipation rate
        virtual tmp<volScalarField> epsilon() const;

        //- Return SGS viscosity
        virtual tmp<volScalarField> nuSgs() const;

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

        //- Return the sub-grid stress tensor B.
        virtual tmp<volSymmTensorField> B() const;

        //- Return the deviatoric part of the effective sub-grid
        //  turbulence stress tensor including the laminar stress
        virtual tmp<volSymmTensorField> devBeff() const;

        //- Return the deviatoric part of the divergence of Beff
        //  i.e. the additional term in the filtered NSE.
        virtual tmp<fvVectorMatrix> divDevBeff(volVectorField& U) const;

        //- Read LESProperties dictionary
        bool read();
};


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

} // End namespace LESModels
} // End namespace incompressible
} // End namespace Foam

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

#endif

// ************************ vim: set sw=4 sts=4 et: ************************ //
