buoyancyForce.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2015-2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
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
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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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::fv::buoyancyForce
 
Group
    grpFvOptionsSources
 
Description
    Calculates and applies the buoyancy force rho*g to the momentum equation
    corresponding to the specified velocity field.
 
Usage
    Example usage:
    \verbatim
    fields          (U);                    // Name of velocity field
    \endverbatim
 
SourceFiles
    buoyancyForce.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef buoyancyForce_H
#define buoyancyForce_H
 
#include "fvOption.H"
#include "uniformDimensionedFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
 
/*---------------------------------------------------------------------------*\
                        Class buoyancyForce Declaration
\*---------------------------------------------------------------------------*/
 
class buoyancyForce
:
    public option
{
    // Private data
 
        uniformDimensionedVectorField g_;
 
 
    // Private Member Functions
 
        //- No copy construct
        buoyancyForce(const buoyancyForce&) = delete;
 
        //- No copy assignment
        void operator=(const buoyancyForce&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("buoyancyForce");
 
 
    // Constructors
 
        //- Construct from explicit source name and mesh
        buoyancyForce
        (
            const word& sourceName,
            const word& modelType,
            const dictionary& dict,
            const fvMesh& mesh
        );
 
 
    // Member Functions
 
        //- Add explicit contribution to incompressible momentum equation
        virtual void addSup
        (
            fvMatrix<vector>& eqn,
            const label fieldi
        );
 
        //- Add explicit contribution to compressible momentum equation
        virtual void addSup
        (
            const volScalarField& rho,
            fvMatrix<vector>& eqn,
            const label fieldi
        );
 
 
        //- Read source dictionary
        virtual bool read(const dictionary& dict);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //