Saito.H

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Class
    Foam::compressible::cavitationModels::Saito
 
Description
    Saito cavitation model.
 
    Reference:
    \verbatim
        Saito, Y., Takami, R., Nakamori, I., & Ikohagi, T. (2007).
        Numerical analysis of unsteady behavior of cloud cavitation
        around a NACA0015 foil. Computational Mechanics, 40, 85-96.
   \endverbatim
 
Usage:
    \table
        Property | Description                      | Required | Default value
        liquid   | Name of the liquid phase         | yes      |
        pSat     | Saturation vapor pressure        | yes      |
        Ca       | Interfacial area concentration coefficient [1/m] | yes      |
        Cv       | Vapourisation rate coefficient   | yes      |
        Cc       | Condensation rate coefficient    | yes      |
        alphaNuc | Nucleation site volume fraction  | yes      |
    \endtable
 
    Example:
    \verbatim
        model       Saito;
 
        liquid      liquid;
 
        pSat        2300;
 
        Ca          0.1;  // Interfacial area concentration coefficient [1/m]
        Cc          1;
        Cv          1;
        alphaNuc    0.001;
    \endverbatim
 
SourceFiles
    Saito.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Saito_H
#define Saito_H
 
#include "cavitationModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace compressible
{
namespace cavitationModels
{
 
/*---------------------------------------------------------------------------*\
                                 Class Saito
\*---------------------------------------------------------------------------*/
 
class Saito
:
    public cavitationModel
{
    // Private Data
 
        //- Interfacial area concentration coefficient [1/m]
        dimensionedScalar Ca_;
 
        //- Vapourisation rate coefficient
        dimensionedScalar Cv_;
 
        //- Condensation rate coefficient
        dimensionedScalar Cc_;
 
        //- Nucleation site volume fraction
        dimensionedScalar alphaNuc_;
 
        //- Zero with pressure dimensions
        dimensionedScalar p0_;
 
 
    // Private Member functions
 
        //- Return the function of temperature
        tmp<volScalarField::Internal> fT(const rhoFluidThermo& thermo) const;
 
 
public:
 
    //- Runtime type information
    TypeName("Saito");
 
 
    // Constructors
 
        //- Construct for phases
        Saito
        (
            const dictionary& dict,
            const compressibleTwoPhases& phases,
            const label liquidIndex
        );
 
 
    //- Destructor
    virtual ~Saito()
    {}
 
 
    // Member Functions
 
        //- Return the mass condensation and vaporisation rates as a
        //  coefficient to multiply alphav for the condensation rate and a
        //  coefficient to multiply alphal for the vaporisation rate
        virtual Pair<tmp<volScalarField::Internal>> mDotcvAlphal() const;
 
        //- Return the mass condensation and vaporisation rates as coefficients
        //  to multiply (p - pSat)
        virtual Pair<tmp<volScalarField::Internal>> mDotcvP() const;
 
        //- Correct the Saito phaseChange model
        virtual void correct();
 
        //- Read the dictionary and update
        virtual bool read(const dictionary& dict);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace cavitationModels
} // End namespace compressible
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //