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License
    This file is part of OpenFOAM.

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    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.

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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    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::dragModels::TomiyamaAnalytic

Description
    Analytical drag model of Tomiyama et al.

    Reference:
    \verbatim
        Tomiyama, A., Kataoka, I., & Sakaguchi, T. (1995).
        Drag coefficients of bubbles (1 st Report, Drag coefficients of a single
        bubble in a stagnant liquid).
        Nihon Kikaigakkai Ronbunshu, 61, 2357-2364.
    \endverbatim

SourceFiles
    TomiyamaAnalytic.C

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

#ifndef TomiyamaAnalytic_H
#define TomiyamaAnalytic_H

#include "dragModel.H"

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

namespace Foam
{
namespace dragModels
{

/*---------------------------------------------------------------------------*\
                           Class TomiyamaAnalytic Declaration
\*---------------------------------------------------------------------------*/

class TomiyamaAnalytic
:
    public dragModel
{
    // Private Data

        //- Residual Reynolds Number
        const dimensionedScalar residualRe_;

        //- Residual Eotvos number
        const dimensionedScalar residualEo_;

        //- Residual aspect ratio
        const dimensionedScalar residualE_;


public:

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


    // Constructors

        //- Construct from a dictionary and a phase pair
        TomiyamaAnalytic
        (
            const dictionary& dict,
            const phasePair& pair,
            const bool registerObject
        );


    //- Destructor
    virtual ~TomiyamaAnalytic();


    // Member Functions

        // Drag coefficient
        virtual tmp<volScalarField> CdRe() const;
};


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

} // End namespace dragModels
} // End namespace Foam

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

#endif

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