HerschelBulkley.H

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Class
    Foam::laminarModels::generalisedNewtonianViscosityModels::HerschelBulkley

Description
    Herschel-Bulkley generalised Newtonian viscosity model

SourceFiles
    HerschelBulkley.C

\*---------------------------------------------------------------------------*/

#ifndef HerschelBulkley_H
#define HerschelBulkley_H

#include "generalisedNewtonianViscosityModel.H"
#include "dimensionedScalar.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace laminarModels
{
namespace generalisedNewtonianViscosityModels
{

/*---------------------------------------------------------------------------*\
                       Class HerschelBulkley Declaration
\*---------------------------------------------------------------------------*/

class HerschelBulkley
:
    public generalisedNewtonianViscosityModel
{
    // Private Data

        dimensionedScalar k_;
        dimensionedScalar n_;
        dimensionedScalar tau0_;


public:

    //- Runtime type information
    TypeName("HerschelBulkley");


    // Constructors

        //- Construct from components
        HerschelBulkley(const dictionary& viscosityProperties);


    //- Destructor
    virtual ~HerschelBulkley()
    {}


    // Member Functions

        //- Read transportProperties dictionary
        virtual bool read(const dictionary& viscosityProperties);

        //- Return the laminar viscosity
        virtual tmp<volScalarField> nu
        (
            const volScalarField& nu0,
            const volScalarField& strainRate
        ) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace generalisedNewtonianViscosityModels
} // End namespace laminarModels
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //