generalisedNewtonian.H

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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
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    You should have received a copy of the GNU General Public License
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Class
    Foam::laminarModels::generalisedNewtonian
 
Description
    Momentum transport model for shear-dependent Non-Newtonian flow.
 
SourceFiles
    generalisedNewtonian.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef generalisedNewtonian_H
#define generalisedNewtonian_H
 
#include "laminarModel.H"
#include "linearViscousStress.H"
#include "generalisedNewtonianViscosityModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace laminarModels
{
 
/*---------------------------------------------------------------------------*\
                    Class generalisedNewtonian Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicMomentumTransportModel>
class generalisedNewtonian
:
    public linearViscousStress<laminarModel<BasicMomentumTransportModel>>
{
 
protected:
 
    // Protected data
 
        //- Run-time selectable generalised Newtonian viscosity model
        autoPtr<generalisedNewtonianViscosityModel> viscosityModel_;
 
 
public:
 
    typedef typename BasicMomentumTransportModel::alphaField alphaField;
    typedef typename BasicMomentumTransportModel::rhoField rhoField;
 
 
    //- Runtime type information
    TypeName("generalisedNewtonian");
 
 
    // Constructors
 
        //- Construct from components
        generalisedNewtonian
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const viscosity& viscosity,
            const word& type = typeName
        );
 
 
    // Selectors
 
        //- Return a reference to the selected momentum transport model
        static autoPtr<generalisedNewtonian> New
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const viscosity& viscosity
        );
 
 
    //- Destructor
    virtual ~generalisedNewtonian()
    {}
 
 
    // Member Functions
 
        //- Read momentumTransport dictionary
        virtual bool read();
 
        //- Return the effective viscosity
        //  i.e. the generalisedNewtonian viscosity
        virtual tmp<volScalarField> nuEff() const;
 
        //- Return the effective viscosity on patch
        virtual tmp<scalarField> nuEff(const label patchi) const;
 
        //- Predict the generalisedNewtonian viscosity
        virtual void predict();
 
        //- The generalisedNewtonian viscosity is not corrected
        virtual void correct()
        {}
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace laminarModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "generalisedNewtonian.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //