isotropic.H

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    Copyright (C) 2013-2016 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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Class
    Foam::TimeScaleModels::isotropic
 
Group
    grpLagrangianIntermediateMPPICTimeScaleSubModels
 
Description
    Model for the time scale over which the velocity field of a dispersed phase
    tends towards an isotropic distribution.
 
    Reference:
    \verbatim
        "Inclusion of collisional return-to-isotropy in the MP-PIC method"
        P O'Rourke and D Snider
        Chemical Engineering Science
        Volume 80, Issue 0, Pages 39-54, December 2012
    \endverbatim
 
SourceFiles
    isotropic.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef isotropic_H
#define isotropic_H
 
#include "TimeScaleModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace TimeScaleModels
{
 
/*---------------------------------------------------------------------------*\
                        Class isotropic Declaration
\*---------------------------------------------------------------------------*/
 
class isotropic
:
    public TimeScaleModel
{
public:
 
    //- Runtime type information
    TypeName("isotropic");
 
 
    //- Constructors
 
        //- Construct from components
        isotropic(const dictionary& dict);
 
        //- Construct a copy
        isotropic(const isotropic& hc);
 
        //- Construct and return a clone
        virtual autoPtr<TimeScaleModel> clone() const
        {
            return autoPtr<TimeScaleModel>
            (
                new isotropic(*this)
            );
        }
 
 
    //- Destructor
    virtual ~isotropic();
 
 
    //- Member Functions
 
        //- Time scale
        tmp<FieldField<Field, scalar>> oneByTau
        (
            const FieldField<Field, scalar>& alpha,
            const FieldField<Field, scalar>& r32,
            const FieldField<Field, scalar>& uSqr,
            const FieldField<Field, scalar>& f
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace TimeScaleModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //