damping.H

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    This file is part of OpenFOAM.

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Class
    Foam::fv::damping

Description
    Base fvModel for damping functions.

See also
    Foam::fv::isotropicDamping
    Foam::fv::verticalDamping

SourceFiles
    damping.C

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

#ifndef damping_H
#define damping_H

#include "fvModel.H"
#include "Function1.H"
#include "volFields.H"

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

namespace Foam
{
namespace fv
{

/*---------------------------------------------------------------------------*\
                           Class damping Declaration
\*---------------------------------------------------------------------------*/

class damping
:
    public fvModel
{
protected:

    // Protected Data

        //- Name of the velocity field
        word UName_;

        //- Damping coefficient [1/s]
        dimensionedScalar lambda_;

        //- The scaling function
        autoPtr<Function1<scalar>> scale_;

        //- Origins of the scaling coordinate
        vectorField origins_;

        //- Directions of increasing scaling coordinate
        vectorField directions_;


    // Protected Member Functions

        //- Non-virtual read
        void readCoeffs();

        //- Return the force coefficient
        tmp<volScalarField::Internal> forceCoeff() const;


public:

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


    // Constructors

        //- Construct from components
        damping
        (
            const word& name,
            const word& modelType,
            const dictionary& dict,
            const fvMesh& mesh
        );


    //- Destructor
    virtual ~damping()
    {}


    // Member Functions

        // Checks

            //- Return the list of fields for which the fvModel adds source term
            //  to the transport equation
            virtual wordList addSupFields() const;


        // IO

            //- Read dictionary
            virtual bool read(const dictionary& dict);
};


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

} // End namespace fv
} // End namespace Foam

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

#endif

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