137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::dragModel
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Description
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SourceFiles
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dragModel.C
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newDragModel.C
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\*---------------------------------------------------------------------------*/
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#ifndef dragModel_H
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#define dragModel_H
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#include "dictionary.H"
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#include "phaseModel.H"
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#include "runTimeSelectionTables.H"
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class dragModel Declaration
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\*---------------------------------------------------------------------------*/
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class dragModel
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{
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protected:
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// Protected data
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const dictionary& interfaceDict_;
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const volScalarField& alpha_;
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const phaseModel& phasea_;
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const phaseModel& phaseb_;
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public:
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//- Runtime type information
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TypeName("dragModel");
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// Declare runtime construction
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declareRunTimeSelectionTable
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(
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autoPtr,
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dragModel,
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dictionary,
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(
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const dictionary& interfaceDict,
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const volScalarField& alpha,
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const phaseModel& phasea,
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const phaseModel& phaseb
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),
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(interfaceDict, alpha, phasea, phaseb)
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);
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// Constructors
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dragModel
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(
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const dictionary& interfaceDict,
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const volScalarField& alpha,
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const phaseModel& phasea,
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const phaseModel& phaseb
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);
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// Destructor
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virtual ~dragModel();
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// Selectors
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static autoPtr<dragModel> New
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(
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const dictionary& interfaceDict,
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const volScalarField& alpha,
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const phaseModel& phasea,
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const phaseModel& phaseb
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);
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// Member Functions
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//- the dragfunction K used in the momentum eq.
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// ddt(alpha*rhoa*Ua) + ... = ... alpha*beta*K*(Ua-Ub)
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// ddt(beta*rhob*Ub) + ... = ... alpha*beta*K*(Ub-Ua)
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// **********************************<2A>NB ! *****************************
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// for numerical reasons alpha and beta has been
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// extracted from the dragFunction K,
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// so you MUST divide K by alpha*beta when implemnting the drag function
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// **********************************<2A>NB ! *****************************
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virtual tmp<volScalarField> K(const volScalarField& Ur) const = 0;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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