Stokes.H

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    Copyright (C) 2013-2016 OpenFOAM Foundation
    Copyright (C) 2019-2021 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
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    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::laminarModels::Stokes
 
Group
    grpLaminar
 
Description
    Turbulence model for Stokes flow.
 
SourceFiles
    Stokes.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Stokes_H
#define Stokes_H
 
#include "laminarModel.H"
#include "linearViscousStress.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace laminarModels
{
 
/*---------------------------------------------------------------------------* \
                           Class Stokes Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicTurbulenceModel>
class Stokes
:
    public linearViscousStress<laminarModel<BasicTurbulenceModel>>
{
 
public:
 
    typedef typename BasicTurbulenceModel::alphaField alphaField;
    typedef typename BasicTurbulenceModel::rhoField rhoField;
    typedef typename BasicTurbulenceModel::transportModel transportModel;
 
 
    //- Runtime type information
    TypeName("Stokes");
 
 
    // Constructors
 
        //- Construct from components
        Stokes
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport,
            const word& propertiesName = turbulenceModel::propertiesName
        );
 
 
    // Selectors
 
        //- Return a reference to the selected turbulence model
        static autoPtr<Stokes> New
        (
            const alphaField& alpha,
            const rhoField& rho,
            const volVectorField& U,
            const surfaceScalarField& alphaRhoPhi,
            const surfaceScalarField& phi,
            const transportModel& transport,
            const word& propertiesName = turbulenceModel::propertiesName
        );
 
 
    //- Destructor
    virtual ~Stokes() = default;
 
 
    // Member Functions
 
        //- Const access to the coefficients dictionary
        virtual const dictionary& coeffDict() const;
 
        //- Read turbulenceProperties dictionary
        virtual bool read();
 
        //- Return the turbulence viscosity, i.e. 0 for Stokes flow
        virtual tmp<volScalarField> nut() const;
 
        //- Return the turbulence viscosity on patch
        virtual tmp<scalarField> nut(const label patchi) const;
 
        //- Return the effective viscosity, i.e. the Stokes viscosity
        virtual tmp<volScalarField> nuEff() const;
 
        //- Return the effective viscosity on patch
        virtual tmp<scalarField> nuEff(const label patchi) const;
 
        //- Correct the Stokes viscosity
        virtual void correct();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace laminarModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "Stokes.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //