solitary.H

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Class
    Foam::waveModels::solitary

Description
    Solitary wave model.

    Reference:
    \verbatim
        Dean, R. G., & Dalrymple, R. A. (1991).
        Water wave mechanics for engineers and scientists (Vol. 2).
        World Scientific Publishing Company.
    \endverbatim

    See pages 314-317.

SourceFiles
    solitary.C

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

#ifndef solitary_H
#define solitary_H

#include "waveModel.H"

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

namespace Foam
{
namespace waveModels
{

/*---------------------------------------------------------------------------*\
                          Class solitary Declaration
\*---------------------------------------------------------------------------*/

class solitary
:
    public waveModel
{
    // Private Data

        //- Depth [m]
        const scalar depth_;

        //- Amplitude [m]
        const scalar amplitude_;

        //- Offset [m]
        const scalar offset_;


    // Private Member Functions

        //- The wavenumber [1/m]
        scalar k() const;

        //- The dimensionless amplitude [1]
        scalar alpha() const;

        //- The wave celerity [m/s]
        scalar celerity() const;

        //- The evolution parameter [1]
        //  This is analogous to the oscillation angle of a periodic wave
        tmp<scalarField> parameter
        (
            const scalar t,
            const scalarField& x
        ) const;

        //- The dimensionless elevation [1]
        tmp<scalarField> Pi
        (
            const scalar t,
            const scalarField& x
        ) const;


public:

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


    // Constructors

        //- Construct a copy
        solitary(const solitary& wave);

        //- Construct from a dictionary and gravity
        solitary(const dictionary& dict, const scalar g);

        //- Construct a clone
        virtual autoPtr<waveModel> clone() const
        {
            return autoPtr<waveModel>(new solitary(*this));
        }


    //- Destructor
    virtual ~solitary();


    // Member Functions

        // Access

            //- Get the depth
            scalar depth() const
            {
                return depth_;
            }

            //- Get the amplitude
            scalar amplitude() const
            {
                return amplitude_;
            }

            //- Get the offset
            scalar offset() const
            {
                return offset_;
            }

        //- Get the wave elevation at a given time and local coordinates. Local
        //  x is aligned with the direction of propagation.
        virtual tmp<scalarField> elevation
        (
            const scalar t,
            const scalarField& x
        ) const;

        //- Get the wave velocity at a given time and local coordinates. Local
        //  x is aligned with the direction of propagation, and z with negative
        //  gravity.
        virtual tmp<vector2DField> velocity
        (
            const scalar t,
            const vector2DField& xz
        ) const;

        //- Write
        virtual void write(Ostream& os) const;
};


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

} // End namespace waveModels
} // End namespace Foam

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

#endif

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