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365f9b0006
to simplify construction of dimensionedScalar properties and avoid the duplication of the name string in the constructor call.
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*---------------------------------------------------------------------------*\
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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 (C) 2011-2015 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "GidaspowSchillerNaumann.H"
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#include "phasePair.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace dragModels
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{
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defineTypeNameAndDebug(GidaspowSchillerNaumann, 0);
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addToRunTimeSelectionTable(dragModel, GidaspowSchillerNaumann, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::dragModels::GidaspowSchillerNaumann::GidaspowSchillerNaumann
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(
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const dictionary& dict,
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const phasePair& pair,
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const bool registerObject
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)
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:
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dragModel(dict, pair, registerObject),
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residualRe_("residualRe", dimless, dict)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::dragModels::GidaspowSchillerNaumann::~GidaspowSchillerNaumann()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField>
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Foam::dragModels::GidaspowSchillerNaumann::CdRe() const
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{
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volScalarField alpha2
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(
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max(scalar(1) - pair_.dispersed(), pair_.continuous().residualAlpha())
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);
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volScalarField Re(alpha2*pair_.Re());
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volScalarField CdsRe
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(
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neg(Re - 1000)*24.0*(1.0 + 0.15*pow(Re, 0.687))/alpha2
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+ pos(Re - 1000)*0.44*max(Re, residualRe_)
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);
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return
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CdsRe
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*pow(alpha2, -2.65)
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*max(pair_.continuous(), pair_.continuous().residualAlpha());
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}
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// ************************************************************************* //
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