/*---------------------------------------------------------------------------*\
  ==  == ====== ====   ====    |
                    \\     ||  | Multiphase Code Repository by HZDR
  ======   //   ||  || ===//   | Website: https://doi.org/10.14278/rodare.767
  ||  ||  //    ||  // || \\   | License: GPL-3.0-or-later
  ==  == ====== ====   ==  ==  |
-------------------------------------------------------------------------------
License
    This file is part of the Multiphase Code Repository by HZDR.

    Copyright (C) 2025 by Helmholtz-Zentrum Dresden-Rossendorf e.V. (HZDR),
    Website: https://hzdr.de

    Multiphase Code Repository by HZDR is based on the free software for
    computational fluid dynamics (CFD) from the OpenFOAM Foundation.
    Copyright (C) 2025 by OpenFOAM Foundation, Website: https://openfoam.org

    If you are interested in which files are original OpenFOAM Foundation
    files, which OpenFOAM Foundation files were modified, and which files were
    newly created, see FILES.md.

    Multiphase Code Repository by HZDR is free software: you can redistribute
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    License, or (at your option) any later version.

    Multiphase Code Repository by HZDR is distributed in the hope that it will
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Class
    Foam::interfaceCompressionModel

Description
    Base class for modeling the interface compression flux which is
    added to the correction fluxes within multiphaseSystem::solveAlphas().

SourceFiles
    interfaceCompressionModel.C
    interfaceCompressionModelNew.C

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

#ifndef interfaceCompressionModel_H
#define interfaceCompressionModel_H

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

#include "volFields.H"
#include "surfaceFields.H"
#include "dictionary.H"
#include "runTimeSelectionTables.H"
#include "segregatedPhaseInterface.H"

namespace Foam
{

class phaseInterface;
class phaseModel;

/*---------------------------------------------------------------------------*\
                  Class interfaceCompressionModel Declaration
\*---------------------------------------------------------------------------*/

class interfaceCompressionModel
:
    public regIOobject
{
    // Private Data

        //- Phase interface
        const segregatedPhaseInterface interface_;


protected:

    // Protected Data

        //- Reference to the mesh
        const fvMesh& mesh_;


public:

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


    // Declare runtime construction

        declareRunTimeSelectionTable
        (
            autoPtr,
            interfaceCompressionModel,
            dictionary,
            (
                const dictionary& dict,
                const phaseInterface& interface,
                const bool registerObject
            ),
            (dict, interface, registerObject)
        );

    // Constructors

        //- Construct from a dictionary and an interface
        interfaceCompressionModel
        (
            const dictionary& dict,
            const phaseInterface& interface,
            const bool registerObject
        );


    //- Destructor
    virtual ~interfaceCompressionModel();


    // Selectors

        static autoPtr<interfaceCompressionModel> New
        (
            const dictionary& dict,
            const phaseInterface& interface,
            const bool outer=true,
            const bool registerObject=true
        );


    // Member Functions

        //- Interface compression coefficient
        virtual tmp<surfaceScalarField> C() const = 0;

        //- Interface compression flux
        virtual tmp<surfaceScalarField> phirc(const phaseModel& phase) const;

        //- Dummy write for regIOobject
        bool writeData(Ostream& os) const;
};


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

} // End namespace Foam

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

#endif

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