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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2014 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/>.
\*---------------------------------------------------------------------------*/
#include "Lain.H"
#include "phasePair.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace dragModels
{
defineTypeNameAndDebug(Lain, 0);
addToRunTimeSelectionTable(dragModel, Lain, dictionary);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::dragModels::Lain::Lain
(
const dictionary& dict,
const phasePair& pair,
const bool registerObject
)
:
dragModel(dict, pair, registerObject)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::dragModels::Lain::~Lain()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::tmp<Foam::volScalarField> Foam::dragModels::Lain::CdRe() const
{
volScalarField Re(pair_.Re());
return
neg(Re - 1.5)*16.0
+ pos(Re - 1.5)*neg(Re - 80.0)*14.9*pow(Re, 0.22)
+ pos(Re - 80.0)*neg(Re - 1500.0)*48*(1.0 - 2.21/sqrt(max(Re, SMALL)))
+ pos(Re - 1500.0)*2.61*Re;
}
// ************************************************************************* //
|
