twoPhaseSystem.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2013-2015 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::twoPhaseSystem
 
Description
    Class which solves the volume fraction equations for two phases.
 
SourceFiles
    twoPhaseSystem.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef twoPhaseSystem_H
#define twoPhaseSystem_H
 
#include "phaseSystem.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class dragModel;
class virtualMassModel;
 
/*---------------------------------------------------------------------------*\
                         Class twoPhaseSystem Declaration
\*---------------------------------------------------------------------------*/
 
class twoPhaseSystem
:
    public phaseSystem
{
    // Private member functions
 
        //- Return the drag coefficient for phase pair
        virtual tmp<volScalarField> Kd(const phasePairKey& key) const = 0;
 
        //- Return the face drag coefficient for phase pair
        virtual tmp<surfaceScalarField> Kdf(const phasePairKey& key) const = 0;
 
        //- Return the virtual mass coefficient for phase pair
        virtual tmp<volScalarField> Vm(const phasePairKey& key) const = 0;
 
        //- Return the face virtual mass coefficient for phase pair
        virtual tmp<surfaceScalarField> Vmf(const phasePairKey& key) const = 0;
 
        //- Return the combined force (lift + wall-lubrication) for phase pair
        virtual tmp<volVectorField> F(const phasePairKey& key) const = 0;
 
        //- Return the combined face-force (lift + wall-lubrication)
        //  for phase pair
        virtual tmp<surfaceScalarField> Ff(const phasePairKey& key) const = 0;
 
        //- Return the turbulent diffusivity for phase pair
        //  Multiplies the phase-fraction gradient
        virtual tmp<volScalarField> D(const phasePairKey& key) const = 0;
 
        //- Return true if there is mass transfer for phase
        virtual bool transfersMass(const phaseModel& phase) const = 0;
 
        //- Return the interfacial mass flow rate for phase pair
        virtual tmp<volScalarField> dmdt(const phasePairKey& key) const = 0;
 
 
protected:
 
    // Protected data
 
        //- Phase model 1
        phaseModel& phase1_;
 
        //- Phase model 2
        phaseModel& phase2_;
 
 
public:
 
    //- Runtime type information
    TypeName("twoPhaseSystem");
 
    // Declare runtime construction
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            twoPhaseSystem,
            dictionary,
            (
                const fvMesh& mesh
            ),
            (mesh)
        );
 
 
    // Constructors
 
        //- Construct from fvMesh
        twoPhaseSystem(const fvMesh&);
 
 
    //- Destructor
    virtual ~twoPhaseSystem();
 
 
    // Selectors
 
        static autoPtr<twoPhaseSystem> New
        (
            const fvMesh& mesh
        );
 
 
    // Member Functions
 
        //- Constant access phase model 1
        const phaseModel& phase1() const;
 
        //- Access phase model 1
        phaseModel& phase1();
 
        //- Constant access phase model 2
        const phaseModel& phase2() const;
 
        //- Access phase model 2
        phaseModel& phase2();
 
        //- Constant access the phase not given as an argument
        const phaseModel& otherPhase
        (
            const phaseModel& phase
        ) const;
 
        //- Return the momentum transfer matrices
        virtual autoPtr<momentumTransferTable> momentumTransfer() const = 0;
 
        //- Return the heat transfer matrices
        virtual autoPtr<heatTransferTable> heatTransfer() const = 0;
 
        //- Return the mass transfer matrices
        virtual autoPtr<massTransferTable> massTransfer() const = 0;
 
        using phaseSystem::sigma;
 
        //- Return the surface tension coefficient
        tmp<volScalarField> sigma() const;
 
        //- Return the drag model for the given phase
        const dragModel& drag(const phaseModel& phase) const;
 
        //- Return the drag coefficient
        tmp<volScalarField> Kd() const;
 
        //- Return the face drag coefficient
        tmp<surfaceScalarField> Kdf() const;
 
        //- Return the virtual mass model for the given phase
        const virtualMassModel& virtualMass(const phaseModel& phase) const;
 
        //- Return the virtual mass coefficient
        tmp<volScalarField> Vm() const;
 
        //- Return the face virtual mass coefficient
        tmp<surfaceScalarField> Vmf() const;
 
        //- Return the combined force (lift + wall-lubrication)
        tmp<volVectorField> F() const;
 
        //- Return the combined face-force (lift + wall-lubrication)
        tmp<surfaceScalarField> Ff() const;
 
        //- Return the turbulent diffusivity
        //  Multiplies the phase-fraction gradient
        tmp<volScalarField> D() const;
 
        //- Return true if there is mass transfer
        bool transfersMass() const;
 
        //- Return the interfacial mass flow rate
        tmp<volScalarField> dmdt() const;
 
        //- Solve for the phase fractions
        virtual void solve();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "twoPhaseSystemI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //