equilibrium.H

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    Copyright (C) 2013-2016 OpenFOAM Foundation
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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.
 
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    for more details.
 
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Class
    Foam::TimeScaleModels::equilibrium
 
Group
    grpLagrangianIntermediateMPPICTimeScaleSubModels
 
Description
    Equlibrium model for the time scale over which properties of a dispersed
    phase tend towards the mean value.
 
    Reference:
    \verbatim
        "A model for collisional exchange in gas/liquid/solid fluidized beds"
        P O'Rourke, P Zhao and D Snider
        Chemical Engineering Science
        Volume 64, Issue 8, Pages 1784-1797, April 2009
    \endverbatim
 
SourceFiles
    equilibrium.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef equilibrium_H
#define equilibrium_H
 
#include "TimeScaleModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace TimeScaleModels
{
 
/*---------------------------------------------------------------------------*\
                        Class equilibrium Declaration
\*---------------------------------------------------------------------------*/
 
class equilibrium
:
    public TimeScaleModel
{
public:
 
    //- Runtime type information
    TypeName("equilibrium");
 
 
    //- Constructors
 
        //- Construct from components
        equilibrium(const dictionary& dict);
 
        //- Construct a copy
        equilibrium(const equilibrium& hc);
 
        //- Construct and return a clone
        virtual autoPtr<TimeScaleModel> clone() const
        {
            return autoPtr<TimeScaleModel>
            (
                new equilibrium(*this)
            );
        }
 
 
    //- Destructor
    virtual ~equilibrium();
 
 
    //- 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
 
// ************************************************************************* //