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twophaseMixingLength.H
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twophaseMixingLength.H
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/*---------------------------------------------------------------------------*\
Copyright (C) 2015 Cyrille Bonamy, Julien Chauchat, Tian-Jian Hsu
and contributors
License
This file is part of SedFOAM.
SedFOAM 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.
SedFOAM 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 SedFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::RASModels::twophaseMixingLength
Group
grpRASTurbulence
Description
Mixing length model for two-phase flow
(only valid for 1D case with Y the wall-normal direction)
References:
\verbatim
Revil-Baudard, T. and Chauchat, J. (2013)
A two-phase model for sheet flow regime based on dense granular flow
rheology.
Journal of Geophysical Research - Oceans, 118, 619-634
\endverbatim
The default model coefficients correspond to the following:
\verbatim
twophaseMixingLengthCoeffs
{
Cmu 0.09;
expoLM 1.0;
alphaMaxLM 0.55;
kappaLM 0.225;
}
\endverbatim
This file is in the \dir turbulenceModels/RAS/twophaseMixingLength
subdirectory
inside the \dir turbulenceModels/RAS subdirectory
inside the \dir turbulenceModels subdirectory
SourceFiles
twophaseMixingLength.C
\*---------------------------------------------------------------------------*/
#ifndef twophaseMixingLength_H
#define twophaseMixingLength_H
#include "RASModel.H"
#include "eddyViscosity.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace RASModels
{
/*---------------------------------------------------------------------------*\
Class twophaseMixingLength Declaration
\*---------------------------------------------------------------------------*/
template<class BasicTurbulenceModel>
class twophaseMixingLength
:
public eddyViscosity<RASModel<BasicTurbulenceModel>>
{
protected:
// Protected data
// Model coefficients
dimensionedScalar Cmu_;
dimensionedScalar expoLM_;
dimensionedScalar alphaMaxLM_;
dimensionedScalar kappaLM_;
// Fields
volScalarField k_;
volScalarField epsilon_;
// Protected Member Functions
virtual void correctNut();
public:
typedef typename BasicTurbulenceModel::alphaField alphaField;
typedef typename BasicTurbulenceModel::rhoField rhoField;
typedef typename BasicTurbulenceModel::transportModel transportModel;
//- Runtime type information
TypeName("twophaseMixingLength");
// Constructors
//- Construct from components
twophaseMixingLength
(
const alphaField& beta,
const rhoField& rho,
const volVectorField& U,
const surfaceScalarField& betafRhoPhi,
const surfaceScalarField& phi,
const transportModel& transport,
const word& propertiesName = turbulenceModel::propertiesName,
const word& type = typeName
);
//- Destructor
virtual ~twophaseMixingLength()
{}
// Member Functions
//- Read RASProperties dictionary
virtual bool read();
//- Return the turbulence kinetic energy
virtual tmp<volScalarField> k() const
{
return k_;
}
//- Return the turbulence specific dissipation rate
virtual tmp<volScalarField> epsilon() const
{
return epsilon_;
}
virtual tmp<volScalarField> omega() const
{
return tmp<volScalarField>
(
new volScalarField
(
IOobject
(
"omega",
this->mesh_.time().timeName(),
this->mesh_
),
epsilon_/(k_),
epsilon_.boundaryField().types()
)
);
}
//- Solve the turbulence equations and correct the turbulence viscosity
virtual void correct();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace RASModels
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "twophaseMixingLength.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //