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    Copyright (C) 2014-2018 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.

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Class
    Foam::wallLubricationModels::Antal

Description
    Wall lubrication model of Antal et al.

    Reference:
    \verbatim
        Antal, S. P., Lahey Jr, R. T., & Flaherty, J. E. (1991).
        Analysis of phase distribution in fully developed laminar bubbly
        two-phase flow.
        International Journal of Multiphase Flow, 17(5), 635-652.
    \endverbatim

SourceFiles
    Antal.C

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

#ifndef Antal_H
#define Antal_H

#include "wallLubricationModel.H"

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

namespace Foam
{

class phasePair;

namespace wallLubricationModels
{

/*---------------------------------------------------------------------------*\
                            Class Antal Declaration
\*---------------------------------------------------------------------------*/

class Antal
:
    public wallLubricationModel
{
    // Private data

        //- Coefficient 1
        const dimensionedScalar Cw1_;

        //- Coefficient 2
        const dimensionedScalar Cw2_;


public:

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


    // Constructors

        //- Construct from components
        Antal
        (
            const dictionary& dict,
            const phasePair& pair
        );


    //- Destructor
    virtual ~Antal();


    // Member Functions

        //- Return phase-intensive wall lubrication force
        tmp<volVectorField> Fi() const;
};


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

} // End namespace wallLubricationModels
} // End namespace Foam

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

#endif

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