multiphaseSystem.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2017-2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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    You should have received a copy of the GNU General Public License
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Class
    Foam::multiphaseSystem
 
Description
    Class which solves the volume fraction equations for multiple phases
 
SourceFiles
    multiphaseSystem.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef multiphaseSystem_H
#define multiphaseSystem_H
 
#include "phaseSystem.H"
#include "UPtrList.H"
#include "phasePairKey.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                      Class multiphaseSystem Declaration
\*---------------------------------------------------------------------------*/
 
class multiphaseSystem
:
    public phaseSystem
{
protected:
 
        typedef HashTable<volScalarField::Internal> SuSpTable;
 
        typedef HashTable<scalar, phasePairKey, phasePairKey::hash>
            scalarTable;
 
        typedef HashTable<surfaceScalarField> compressionFluxTable;
 
 
    // Protected data
 
        //- Unallocated phase list
        UPtrList<phaseModel> phases_;
 
        //- Table for compression factors between phases
        scalarTable cAlphas_;
 
        //- Maximum volumen rate change
        dimensionedScalar ddtAlphaMax_;
 
        //- Compression fluxed for phases
        compressionFluxTable limitedPhiAlphas_;
 
        //- Su phase source terms
        SuSpTable Su_;
 
        //- Sp phase source terms
        SuSpTable Sp_;
 
 
    // Protected members
 
        //- Calculate Sp and Su
        void calculateSuSp();
 
        //- Solve alphas
        void solveAlphas();
 
 
public:
 
    //- Runtime type information
    TypeName("multiphaseSystem");
 
    // Declare runtime construction
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            multiphaseSystem,
            dictionary,
            (
                const fvMesh& mesh
            ),
            (mesh)
        );
 
 
    // Constructors
 
        //- Construct from fvMesh
        multiphaseSystem(const fvMesh&);
 
 
    //- Destructor
    virtual ~multiphaseSystem() = default;
 
 
    // Selectors
 
        static autoPtr<multiphaseSystem> New(const fvMesh& mesh);
 
 
     // Member Functions
 
        //- Solve for the phase fractions
        virtual void solve();
 
 
        // Access
 
            //- Return phases
            const UPtrList<phaseModel>& phases() const;
 
            //- Return phases
            UPtrList<phaseModel>& phases();
 
            //- Constant access phase model i
            const phaseModel& phase(const label i) const;
 
            //- Access phase model i
            phaseModel& phase(const label i);
 
            //- Access to ddtAlphaMax
            dimensionedScalar ddtAlphaMax() const;
 
            //- Maximum diffusion number
            scalar maxDiffNo() const;
 
            //- Access to compression fluxes for phaes
            const compressionFluxTable& limitedPhiAlphas() const;
 
            //- Access Su
            SuSpTable& Su();
 
            //- Access Sp
            SuSpTable& Sp();
 
            //- Read thermophysical properties dictionary
            virtual bool read();
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //