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dragModel.H
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dragModel.H
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 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::dragModel
Description
SourceFiles
dragModel.C
newDragModel.C
\*---------------------------------------------------------------------------*/
#ifndef dragModel_H
#define dragModel_H
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "dictionary.H"
#include "phaseModel.H"
#include "runTimeSelectionTables.H"
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class dragModel Declaration
\*---------------------------------------------------------------------------*/
class dragModel
{
protected:
// Protected data
const dictionary& interfaceDict_;
const volScalarField& alpha_;
const phaseModel& phasea_;
const phaseModel& phaseb_;
public:
//- Runtime type information
TypeName("dragModel");
// Declare runtime construction
declareRunTimeSelectionTable
(
autoPtr,
dragModel,
dictionary,
(
const dictionary& interfaceDict,
const phaseModel& phasea,
const phaseModel& phaseb
),
(interfaceDict, phasea, phaseb)
);
// Constructors
dragModel
(
const dictionary& interfaceDict,
const phaseModel& phasea,
const phaseModel& phaseb
);
//- Destructor
virtual ~dragModel();
// Selectors
static autoPtr<dragModel> New
(
const dictionary& interfaceDict,
const phaseModel& phasea,
const phaseModel& phaseb
);
// Member Functions
//- the dragfunction K used in the momentum eq.
// ddt(alpha.rhoa.Ua) + ... = ... alpha.beta.K.(Ua-Ub)
// ddt(beta.rhob.Ub) + ... = ... alpha.beta.K.(Ub-Ua)
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// for numerical reasons alpha and beta has been
// extracted from the dragFunction K,
// so you MUST divide K by alpha.beta when implemnting the drag function
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
virtual tmp<volScalarField> K(const volScalarField& Ur) const = 0;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //