strainRateViscosityModel.H

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License
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Class
    Foam::laminarModels::generalisedNewtonianViscosityModels::
    strainRateViscosityModel
 
Description
    An abstract base class for strain-rate dependent generalised Newtonian
    viscosity models
 
SourceFiles
    strainRateViscosityModel.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef strainRateViscosityModel_H
#define strainRateViscosityModel_H
 
#include "generalisedNewtonianViscosityModel.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace laminarModels
{
namespace generalisedNewtonianViscosityModels
{
 
/*---------------------------------------------------------------------------*\
                Class strainRateViscosityModel Declaration
\*---------------------------------------------------------------------------*/
 
class strainRateViscosityModel
:
    public generalisedNewtonianViscosityModel
{
    // Private data
 
        //- The strain-rate-dependent generalised Newtonian viscosity field
        volScalarField nu_;
 
 
protected:
 
    // Protected Member Functions
 
        //- Return the strain-rate obtained from the velocity field
        virtual tmp<volScalarField> strainRate() const;
 
        //- Return the generalised Newtonian viscosity
        virtual tmp<volScalarField> nu
        (
            const volScalarField& nu0,
            const volScalarField& strainRate
        ) const = 0;
 
 
public:
 
    //- Runtime type information
    TypeName("strainRateViscosityModel");
 
 
    // Constructors
 
        //- Construct from components
        strainRateViscosityModel
        (
            const dictionary& viscosityProperties,
            const viscosity& viscosity,
            const volVectorField& U
        );
 
        //- Disallow default bitwise copy construction
        strainRateViscosityModel
        (
            const strainRateViscosityModel&
        ) = delete;
 
 
    //- Destructor
    virtual ~strainRateViscosityModel()
    {}
 
 
    // Member Functions
 
        //- Return the laminar viscosity
        virtual tmp<volScalarField> nu() const
        {
            return nu_;
        }
 
        //- Return the laminar viscosity for patch
        virtual tmp<scalarField> nu(const label patchi) const
        {
            return nu_.boundaryField()[patchi];
        }
 
        //- Correct the laminar viscosity
        virtual void correct();
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const strainRateViscosityModel&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace generalisedNewtonianViscosityModels
} // End namespace laminarModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //