JohnsonJacksonFrictionalStress.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::kineticTheoryModels::frictionalStressModels::JohnsonJackson
 
Description
 
SourceFiles
    JohnsonJacksonFrictionalStress.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef JohnsonJackson_H
#define JohnsonJackson_H
 
#include "frictionalStressModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace kineticTheoryModels
{
namespace frictionalStressModels
{
 
/*---------------------------------------------------------------------------*\
               Class JohnsonJackson Declaration
\*---------------------------------------------------------------------------*/
 
class JohnsonJackson
:
    public frictionalStressModel
{
    // Private data
 
        dictionary coeffDict_;
 
        //- Material constant for frictional normal stress
        dimensionedScalar Fr_;
 
        //- Material constant for frictional normal stress
        dimensionedScalar eta_;
 
        //- Material constant for frictional normal stress
        dimensionedScalar p_;
 
        //- Angle of internal friction
        dimensionedScalar phi_;
 
        //- Lower limit for (alphaMax - alpha1)
        dimensionedScalar alphaDeltaMin_;
 
 
public:
 
    //- Runtime type information
    TypeName("JohnsonJackson");
 
 
    // Constructors
 
        //- Construct from components
        JohnsonJackson(const dictionary& dict);
 
 
    //- Destructor
    virtual ~JohnsonJackson();
 
 
    // Member functions
 
        virtual tmp<volScalarField> frictionalPressure
        (
            const volScalarField& alpha1,
            const dimensionedScalar& alphaMinFriction,
            const dimensionedScalar& alphaMax
        ) const;
 
        virtual tmp<volScalarField> frictionalPressurePrime
        (
            const volScalarField& alpha1,
            const dimensionedScalar& alphaMinFriction,
            const dimensionedScalar& alphaMax
        ) const;
 
        virtual tmp<volScalarField> nu
        (
            const volScalarField& alpha1,
            const dimensionedScalar& alphaMinFriction,
            const dimensionedScalar& alphaMax,
            const volScalarField& pf,
            const volSymmTensorField& D
        ) const;
 
        virtual bool read();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace frictionalStressModels
} // End namespace kineticTheoryModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //