exponentialDiffusivity.H

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License
    This file is part of OpenFOAM.

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Class
    Foam::exponentialDiffusivity

Description
    Mesh motion diffusivity maipulator which returns the exp(-alpha/D)
    of the given diffusivity D.

SourceFiles
    exponentialDiffusivity.C

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

#ifndef exponentialDiffusivity_H
#define exponentialDiffusivity_H

#include "motionDiffusivity.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class exponentialDiffusivity Declaration
\*---------------------------------------------------------------------------*/

class exponentialDiffusivity
:
    public motionDiffusivity
{
    // Private Data

        scalar alpha_;
        autoPtr<motionDiffusivity> basicDiffusivityPtr_;


public:

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


    // Constructors

        //- Construct for the given fvMesh and data Istream
        exponentialDiffusivity(const fvMesh& mesh, Istream& mdData);

        //- Disallow default bitwise copy construction
        exponentialDiffusivity(const exponentialDiffusivity&) = delete;


    //- Destructor
    virtual ~exponentialDiffusivity();


    // Member Functions

        //- Correct the motion diffusivity
        virtual void correct();


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const exponentialDiffusivity&) = delete;

        //- Return diffusivity field
        virtual tmp<surfaceScalarField> operator()() const;
};


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

} // End namespace Foam

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

#endif

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