viscousDissipation.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2017 OpenCFD Ltd
-------------------------------------------------------------------------------
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::fv::viscousDissipation
 
Group
    grpFvOptionsSources
 
Description
    Calculates and applies the viscous dissipation energy source to the energy
    equation.
 
Usage
    Example usage:
    \verbatim
    fields          (h);                    // Name of energy field
    \endverbatim
 
SourceFiles
    viscousDissipation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef viscousDissipation_H
#define viscousDissipation_H
 
#include "fvOption.H"
#include "uniformDimensionedFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
 
/*---------------------------------------------------------------------------*\
                    Class viscousDissipation Declaration
\*---------------------------------------------------------------------------*/
 
class viscousDissipation
:
    public option
{
    // Private data
 
        //- Name of velocity field; default = U
        word UName_;
 
        //- Name of the rho field for incompressible solvers
        word rhoName_;
 
        //- Density for single phase flows
        dimensionedScalar rho_;
 
 
     // Private Member Functions
 
        //- Return the viscosity field
        tmp<volSymmTensorField> devRhoReff() const;
 
        //- No copy construct
        viscousDissipation(const viscousDissipation&) = delete;
 
        //- No copy assignment
        void operator=(const viscousDissipation&) = delete;
 
private:
 
    // Private member functions
 
 
        //- Return rho field
        tmp<volScalarField> rho() const;
 
 
public:
 
    //- Runtime type information
    TypeName("viscousDissipation");
 
 
    // Constructors
 
        //- Construct from explicit source name and mesh
        viscousDissipation
        (
            const word& sourceName,
            const word& modelType,
            const dictionary& dict,
            const fvMesh& mesh
        );
 
 
    // Member Functions
 
        //- Add explicit contribution to compressible energy equation
        virtual void addSup
        (
            const volScalarField& rho,
            fvMatrix<scalar>& eqn,
            const label fieldi
        );
 
        //- Read source dictionary
        virtual bool read(const dictionary& dict)
        {
            return true;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //