multiphaseEulerCavitation.H

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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
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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    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::fv::multiphaseEulerCavitation
 
Description
    Model for cavitation phase change between two phases.
 
    Example usage:
    \verbatim
    cavitation
    {
        type            multiphaseEuler::cavitation;
        libs            ("libmultiphaseEulerFvModels.so");
 
        // Note: Order is important. The liquid should be specified first.
        phases          (liquid gas);
 
        energySemiImplicit no;
 
        model           Kunz;
 
        pSat            79995.75943;
 
        UInf            5.33;
        tInf            0.028142589;
        Cc              100;
        Cv              100;
    }
    \endverbatim
 
SourceFiles
    multiphaseEulerCavitation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef multiphaseEulerCavitation_H
#define multiphaseEulerCavitation_H
 
#include "phaseChange.H"
#include "phaseSystem.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
namespace compressible
{
    class cavitationModel;
}
 
namespace fv
{
 
/*---------------------------------------------------------------------------*\
                       Class multiphaseEulerCavitation Declaration
\*---------------------------------------------------------------------------*/
 
class multiphaseEulerCavitation
:
    public phaseChange
{
private:
 
    // Private Data
 
        //- Reference to the phase system
        const phaseSystem& fluid_;
 
        //- Reference to the liquid phase
        const phaseModel& liquid_;
 
        //- Reference to the vapour phase
        const phaseModel& vapour_;
 
        //- Interface
        const phaseInterface interface_;
 
        //- Reference to the field associated with the pressure equation
        const volScalarField& p_rgh_;
 
        //- Cavitation model
        autoPtr<compressible::cavitationModel> cavitationModel_;
 
 
    // Private Member Functions
 
        //- Non-virtual read
        void readCoeffs(const dictionary& dict);
 
 
public:
 
    //- Runtime type information
    TypeName("multiphaseEuler::cavitation");
 
 
    // Constructors
 
        //- Construct from explicit source name and mesh
        multiphaseEulerCavitation
        (
            const word& name,
            const word& modelType,
            const fvMesh& mesh,
            const dictionary& dict
        );
 
 
    // Member Functions
 
        // Evaluation
 
            //- Return the fraction of the latent heat that is transferred into
            //  the second phase
            virtual tmp<DimensionedField<scalar, volMesh>> Lfraction() const;
 
 
        // Sources
 
            //- Return the mass transfer rate
            virtual tmp<DimensionedField<scalar, volMesh>> mDot() const;
 
            //- Use phaseChange's source functions
            using phaseChange::addSup;
 
            //- Override the pressure equation to add the mass transfer rate
            //  linearised in the pressure
            void addSup
            (
                const volScalarField& alpha,
                const volScalarField& rho,
                fvMatrix<scalar>& eqn
            ) const;
 
 
        // IO
 
            //- Read source dictionary
            virtual bool read(const dictionary& dict);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif