83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2011-2012 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 "Ergun.H"
|
|
#include "addToRunTimeSelectionTable.H"
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
namespace dragModels
|
|
{
|
|
defineTypeNameAndDebug(Ergun, 0);
|
|
|
|
addToRunTimeSelectionTable
|
|
(
|
|
dragModel,
|
|
Ergun,
|
|
dictionary
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
Foam::dragModels::Ergun::Ergun
|
|
(
|
|
const dictionary& interfaceDict,
|
|
const phaseModel& phase1,
|
|
const phaseModel& phase2
|
|
)
|
|
:
|
|
dragModel(interfaceDict, phase1, phase2)
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
|
|
|
Foam::dragModels::Ergun::~Ergun()
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
Foam::tmp<Foam::volScalarField> Foam::dragModels::Ergun::K
|
|
(
|
|
const volScalarField& Ur
|
|
) const
|
|
{
|
|
volScalarField alpha2(max(phase2_, scalar(1.0e-6)));
|
|
|
|
return
|
|
150.0*phase1_*phase2_.nu()*phase2_.rho()
|
|
/sqr(alpha2*phase1_.d())
|
|
+ 1.75*phase2_.rho()*Ur/(alpha2*phase1_.d());
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|