generalizedNewtonian.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2018-2020 OpenFOAM Foundation
    Copyright (C) 2021 OpenCFD Ltd.
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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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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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    You should have received a copy of the GNU General Public License
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Class
    Foam::laminarModels::generalizedNewtonian
 
Description
    Turbulence model for shear-dependent Non-Newtonian flow.
 
SourceFiles
    generalizedNewtonian.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef generalizedNewtonian_H
#define generalizedNewtonian_H
 
#include "laminarModel.H"
#include "linearViscousStress.H"
#include "generalizedNewtonianViscosityModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace laminarModels
{
 
/*---------------------------------------------------------------------------*\
                    Class generalizedNewtonian Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicMomentumTransportModel>
class generalizedNewtonian
:
    public linearViscousStress<laminarModel<BasicMomentumTransportModel>>
{
protected:
 
    // Protected Data
 
        //- Run-time selectable non-Newtonian viscosity model
        autoPtr<generalizedNewtonianViscosityModel> viscosityModel_;
 
        //- The non-Newtonian viscosity field
        volScalarField nu_;
 
 
    // Protected Member Functions
 
        virtual tmp<volScalarField> strainRate() const;
 
 
public:
 
    typedef typename BasicMomentumTransportModel::alphaField alphaField;
    typedef typename BasicMomentumTransportModel::rhoField rhoField;
    typedef typename BasicMomentumTransportModel::transportModel transportModel;
 
 
    //- Runtime type information
    TypeName("generalizedNewtonian");
 
 
    // Constructors
 
        //- Construct from components
        generalizedNewtonian
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport,
            const word& propertiesName
        );
 
 
    // Selectors
 
        //- Return a reference to the selected turbulence model
        static autoPtr<generalizedNewtonian> New
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport,
            const word& propertiesName
        );
 
 
    //- Destructor
    virtual ~generalizedNewtonian() = default;
 
 
    // Member Functions
 
        //- Read turbulence (momentumTransport) dictionary
        virtual bool read();
 
        //- Return the turbulence viscosity,
        virtual tmp<volScalarField> nut() const;
 
        //- Return the turbulence viscosity on patch
        virtual tmp<scalarField> nut(const label patchi) const;
 
        //- Return the effective viscosity
        virtual tmp<volScalarField> nuEff() const;
 
        //- Return the effective viscosity on patch
        virtual tmp<scalarField> nuEff(const label patchi) const;
 
        //- Correct the generalizedNewtonian viscosity
        virtual void correct();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace laminarModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "generalizedNewtonian.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //