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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2014-2015 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::incompressibleTwoPhaseInteractingMixture
Description
A two-phase incompressible transportModel for interacting phases
requiring the direct evaluation of the mixture viscosity,
e.g. activated sludge or slurry.
SourceFiles
incompressibleTwoPhaseInteractingMixture.C
\*---------------------------------------------------------------------------*/
#ifndef incompressibleTwoPhaseInteractingMixture_H
#define incompressibleTwoPhaseInteractingMixture_H
#include "compressibleTransportModel.H"
#include "incompressible/viscosityModels/viscosityModel/viscosityModel.H"
#include "mixtureViscosityModel.H"
#include "twoPhaseMixture.H"
#include "IOdictionary.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class incompressibleTwoPhaseInteractingMixture Declaration
\*---------------------------------------------------------------------------*/
class incompressibleTwoPhaseInteractingMixture
:
public IOdictionary,
public compressibleTransportModel,
public twoPhaseMixture
{
protected:
// Protected data
autoPtr<mixtureViscosityModel> muModel_;
autoPtr<viscosityModel> nucModel_;
dimensionedScalar rhod_;
dimensionedScalar rhoc_;
//- Optional diameter of the dispersed phase particles
dimensionedScalar dd_;
//- Optional maximum dispersed phase-fraction (e.g. packing limit)
scalar alphaMax_;
const volVectorField& U_;
const surfaceScalarField& phi_;
volScalarField mu_;
public:
TypeName("incompressibleTwoPhaseInteractingMixture");
// Constructors
//- Construct from components
incompressibleTwoPhaseInteractingMixture
(
const volVectorField& U,
const surfaceScalarField& phi
);
//- Destructor
virtual ~incompressibleTwoPhaseInteractingMixture()
{}
// Member Functions
//- Return const-access to the mixture viscosityModel
const mixtureViscosityModel& muModel() const
{
return muModel_();
}
//- Return const-access to the continuous-phase viscosityModel
const viscosityModel& nucModel() const
{
return nucModel_();
}
//- Return const-access to the dispersed-phase density
const dimensionedScalar& rhod() const
{
return rhod_;
}
//- Return const-access to continuous-phase density
const dimensionedScalar& rhoc() const
{
return rhoc_;
};
//- Return the diameter of the dispersed-phase particles
const dimensionedScalar& dd() const
{
return dd_;
}
//- Optional maximum phase-fraction (e.g. packing limit)
// Defaults to 1
scalar alphaMax() const
{
return alphaMax_;
}
//- Return const-access to the mixture velocity
const volVectorField& U() const
{
return U_;
}
//- Return the dynamic mixture viscosity
tmp<volScalarField> mu() const
{
return mu_;
}
//- Return the dynamic mixture viscosity for patch
virtual tmp<scalarField> mu(const label patchi) const
{
return mu_.boundaryField()[patchi];
}
//- Return the mixture density
virtual tmp<volScalarField> rho() const
{
return alpha1_*rhod_ + alpha2_*rhoc_;
}
//- Return the mixture density for patch
virtual tmp<scalarField> rho(const label patchi) const
{
return
alpha1_.boundaryField()[patchi]*rhod_.value()
+ alpha2_.boundaryField()[patchi]*rhoc_.value();
}
//- Return the mixture viscosity
virtual tmp<volScalarField> nu() const
{
return mu_/rho();
}
//- Return the mixture viscosity for patch
virtual tmp<scalarField> nu(const label patchi) const
{
return mu_.boundaryField()[patchi]/rho(patchi);
}
//- Correct the laminar viscosity
virtual void correct()
{
mu_ = muModel_->mu(rhoc_*nucModel_->nu());
}
//- Read base transportProperties dictionary
virtual bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
|
