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                    \\     ||  | Multiphase Code Repository by HZDR
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-------------------------------------------------------------------------------
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

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    computational fluid dynamics (CFD) from the OpenFOAM Foundation.
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Class
    Foam::populationBalance::daughterSizeDistributionModel

Description
    Base class for daughter size distribution models. Currently only supports
    field-independent formulations.

See also
    Foam::populationBalance::breakupModel
    Foam::populationBalanceModel

SourceFiles
    daughterSizeDistributionModel.C

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

#ifndef daughterSizeDistributionModel_H
#define daughterSizeDistributionModel_H

#include "dictionary.H"
#include "dimensionedScalar.H"

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

namespace Foam
{
namespace populationBalance
{

class breakupModel;

/*---------------------------------------------------------------------------*\
                Class daughterSizeDistributionModel Declaration
\*---------------------------------------------------------------------------*/

class daughterSizeDistributionModel
{
protected:

    // Protected Data

        //- Reference to the breakupModel
        const breakupModel& breakup_;

        //- Contribution to group i due to breakup in group k
        PtrList<PtrList<dimensionedScalar>> nik_;


public:

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


    // Declare runtime construction

        declareRunTimeSelectionTable
        (
            autoPtr,
            daughterSizeDistributionModel,
            dictionary,
            (
                const breakupModel& breakup,
                const dictionary& dict
            ),
            (breakup, dict)
        );


    // Constructor

        daughterSizeDistributionModel
        (
            const breakupModel& breakup,
            const dictionary& dict
        );


    //- Destructor
    virtual ~daughterSizeDistributionModel();


    // Selectors

        static autoPtr<daughterSizeDistributionModel> New
        (
            const breakupModel& breakup,
            const dictionary& dict
        );


    // Member Functions

        //- Return contribution to group i due to breakup in group k
        const dimensionedScalar& nik(const label i, const label k) const;

        //- Precompute field independent expressions
        void precompute();

        //- Calculate contribution to group i due to breakup in group k
        virtual dimensionedScalar calcNik
        (
            const label i,
            const label k
        ) const = 0;
};


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

} // End namespace populationBalance
} // End namespace Foam

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

#endif

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