/*---------------------------------------------------------------------------*\
  ==  == ====== ====   ====    |
                    \\     ||  | 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
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    Multiphase Code Repository by HZDR is free software: you can redistribute
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Class
    Foam::MulticomponentPhaseModel

Description
    Class which represents a phase with multiple species. Returns the species'
    mass fractions, and their governing equations.

SourceFiles
    MulticomponentPhaseModel.C

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

#ifndef MulticomponentPhaseModel_H
#define MulticomponentPhaseModel_H

#include "phaseModel.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                  Class MulticomponentPhaseModel Declaration
\*---------------------------------------------------------------------------*/

template<class BasePhaseModel>
class MulticomponentPhaseModel
:
    public BasePhaseModel
{
public:

    // Constructors

        MulticomponentPhaseModel
        (
            const phaseSystem& fluid,
            const word& phaseName,
            const bool referencePhase,
            const label index
        );


    //- Destructor
    virtual ~MulticomponentPhaseModel();


    // Member Functions

        //- Correct the species fractions
        virtual void correctSpecies();


        // Species

            //- Return whether the phase is pure (i.e., not multi-component)
            virtual bool pure() const;

            //- Return the species fraction equation
            virtual tmp<fvScalarMatrix> YiEqn(volScalarField& Yi);

            //- Return the species mass fractions
            virtual const PtrList<volScalarField>& Y() const;

            //- Return a species mass fraction by index
            virtual const volScalarField& Y(const label speciei) const;

            //- Return a species mass fraction by name
            virtual const volScalarField& Y(const word& name) const;

            //- Access the species mass fractions
            virtual PtrList<volScalarField>& YRef();

            //- Should the given specie be solved for? I.e., is it active and
            //  not the default specie?
            virtual bool solveSpecie(const label speciei) const;
};


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "MulticomponentPhaseModel.C"
#endif

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

#endif

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