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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
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::kineticTheoryModel
Description
Kinetic theory particle phase RAS model
Reference:
\verbatim
"Derivation, implementation, and validation of computer simulation
models for gas-solid fluidized beds",
van Wachem, B.G.M.,
Ph.D. Thesis, Delft University of Technology, Amsterdam, 2000.
\endverbatim
There are no default model coefficients.
SourceFiles
kineticTheoryModel.C
\*---------------------------------------------------------------------------*/
#ifndef kineticTheoryModel_H
#define kineticTheoryModel_H
#include "RASModel.H"
#include "eddyViscosity.H"
#include "PhaseCompressibleTurbulenceModel.H"
#include "ThermalDiffusivity.H"
#include "EddyDiffusivity.H"
#include "phaseModel.H"
#include "dragModel.H"
#include "viscosityModel.H"
#include "conductivityModel.H"
#include "radialModel.H"
#include "granularPressureModel.H"
#include "frictionalStressModel.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace RASModels
{
/*---------------------------------------------------------------------------*\
Class kineticTheoryModel Declaration
\*---------------------------------------------------------------------------*/
class kineticTheoryModel
:
public eddyViscosity
<
RASModel<EddyDiffusivity<ThermalDiffusivity
<
PhaseCompressibleTurbulenceModel<phaseModel>
>>>
>
{
// Private data
// Input Fields
const phaseModel& phase_;
// Sub-models
//- Run-time selected viscosity model
autoPtr<kineticTheoryModels::viscosityModel> viscosityModel_;
//- Run-time selected conductivity model
autoPtr<kineticTheoryModels::conductivityModel> conductivityModel_;
//- Run-time selected radial distribution model
autoPtr<kineticTheoryModels::radialModel> radialModel_;
//- Run-time selected granular pressure model
autoPtr<kineticTheoryModels::granularPressureModel>
granularPressureModel_;
//- Run-time selected frictional stress model
autoPtr<kineticTheoryModels::frictionalStressModel>
frictionalStressModel_;
// Kinetic Theory Model coefficients
//- Use equilibrium approximation: generation == dissipation
Switch equilibrium_;
//- Coefficient of restitution
dimensionedScalar e_;
//- Maximum packing phase-fraction
dimensionedScalar alphaMax_;
//- Min value for which the frictional stresses are zero
dimensionedScalar alphaMinFriction_;
//- Residual phase fraction
dimensionedScalar residualAlpha_;
// Kinetic Theory Model Fields
//- The granular energy/temperature
volScalarField Theta_;
//- The granular bulk viscosity
volScalarField lambda_;
//- The granular radial distribution
volScalarField gs0_;
//- The granular "thermal" conductivity
volScalarField kappa_;
// Private Member Functions
void correctNut()
{}
//- Disallow default bitwise copy construct
kineticTheoryModel(const kineticTheoryModel&);
//- Disallow default bitwise assignment
void operator=(const kineticTheoryModel&);
public:
//- Runtime type information
TypeName("kineticTheory");
// Constructors
//- Construct from components
kineticTheoryModel
(
const volScalarField& alpha,
const volScalarField& rho,
const volVectorField& U,
const surfaceScalarField& alphaRhoPhi,
const surfaceScalarField& phi,
const phaseModel& transport,
const word& propertiesName = turbulenceModel::propertiesName,
const word& type = typeName
);
//- Destructor
virtual ~kineticTheoryModel();
// Member Functions
//- Re-read model coefficients if they have changed
virtual bool read();
//- Return the effective viscosity
virtual tmp<volScalarField> nuEff() const
{
return this->nut();
}
//- Return the effective viscosity on patch
virtual tmp<scalarField> nuEff(const label patchi) const
{
return this->nut(patchi);
}
//- Return the turbulence kinetic energy
virtual tmp<volScalarField> k() const;
//- Return the turbulence kinetic energy dissipation rate
virtual tmp<volScalarField> epsilon() const;
//- Return the Reynolds stress tensor
virtual tmp<volSymmTensorField> R() const;
//- Return the phase-pressure'
// (derivative of phase-pressure w.r.t. phase-fraction)
virtual tmp<volScalarField> pPrime() const;
//- Return the face-phase-pressure'
// (derivative of phase-pressure w.r.t. phase-fraction)
virtual tmp<surfaceScalarField> pPrimef() const;
//- Return the effective stress tensor
virtual tmp<volSymmTensorField> devRhoReff() const;
//- Return the source term for the momentum equation
virtual tmp<fvVectorMatrix> divDevRhoReff(volVectorField& U) const;
//- Solve the kinetic theory equations and correct the viscosity
virtual void correct();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace RASModels
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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