unityLewisFourier.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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::laminarThermophysicalTransportModels::unityLewisFourier
 
Description
    unityLewisFourier's energy gradient heat flux model for laminar flow.
    Specie fluxes are computed assuming a unity turbulent Lewis number.
 
SourceFiles
    unityLewisFourier.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef unityLewisFourier_H
#define unityLewisFourier_H
 
#include "laminarThermophysicalTransportModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace laminarThermophysicalTransportModels
{
 
/*---------------------------------------------------------------------------*\
                           Class unityLewisFourier Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicThermophysicalTransportModel>
class unityLewisFourier
:
    public laminarThermophysicalTransportModel
    <
        BasicThermophysicalTransportModel
    >
{
 
public:
 
    typedef typename BasicThermophysicalTransportModel::alphaField
        alphaField;
 
    typedef typename BasicThermophysicalTransportModel::momentumTransportModel
        momentumTransportModel;
 
    typedef typename BasicThermophysicalTransportModel::thermoModel
        thermoModel;
 
 
    //- Runtime type information
    TypeName("unityLewisFourier");
 
 
    // Constructors
 
        //- Construct from a momentum transport model and a thermo model
        unityLewisFourier
        (
            const momentumTransportModel& momentumTransport,
            const thermoModel& thermo
        );
 
        //- Construct from a type name, a momentum transport model and a thermo
        //  model
        unityLewisFourier
        (
            const word& type,
            const momentumTransportModel& momentumTransport,
            const thermoModel& thermo
        );
 
 
    //- Destructor
    virtual ~unityLewisFourier()
    {}
 
 
    // Member Functions
 
        //- Const access to the coefficients dictionary
        virtual const dictionary& coeffDict() const;
 
        //- Read thermophysicalTransport dictionary
        virtual bool read();
 
        //- Effective mass diffusion coefficient
        //  for a given specie mass-fraction [kg/m/s]
        virtual tmp<volScalarField> DEff(const volScalarField& Yi) const
        {
            return volScalarField::New
            (
                "DEff",
                this->thermo().kappa()/this->thermo().Cp()
            );
        }
 
        //- Effective mass diffusion coefficient
        //  for a given specie mass-fraction for patch [kg/m/s]
        virtual tmp<scalarField> DEff
        (
            const volScalarField& Yi,
            const label patchi
        ) const
        {
            return
                this->thermo().kappa().boundaryField()[patchi]
               /this->thermo().Cp().boundaryField()[patchi];
        }
 
        //- Return the heat flux [W/m^2]
        virtual tmp<surfaceScalarField> q() const;
 
        //- Return the source term for the energy equation
        virtual tmp<fvScalarMatrix> divq(volScalarField& he) const;
 
        //- Return the specie flux for the given specie mass-fraction [kg/m^2/s]
        virtual tmp<surfaceScalarField> j(const volScalarField& Yi) const;
 
        //- Return the source term for the given specie mass-fraction equation
        virtual tmp<fvScalarMatrix> divj(volScalarField& Yi) const;
 
        //- Correct the unityLewisFourier viscosity
        virtual void predict();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace laminarThermophysicalTransportModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "unityLewisFourier.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //