GidaspowErgunWenYu.C

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    Copyright (C) 2011-2018 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    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.
 
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    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/>.
 
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#include "GidaspowErgunWenYu.H"
#include "phasePair.H"
#include "Ergun.H"
#include "WenYu.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace dragModels
{
    defineTypeNameAndDebug(GidaspowErgunWenYu, 0);
    addToRunTimeSelectionTable(dragModel, GidaspowErgunWenYu, dictionary);
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::dragModels::GidaspowErgunWenYu::GidaspowErgunWenYu
(
    const dictionary& dict,
    const phasePair& pair,
    const bool registerObject
)
:
    dragModel(dict, pair, registerObject),
    Ergun_
    (
        new Ergun
        (
            dict,
            pair,
            false
        )
    ),
    WenYu_
    (
        new WenYu
        (
            dict,
            pair,
            false
        )
    )
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::dragModels::GidaspowErgunWenYu::~GidaspowErgunWenYu()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::dragModels::GidaspowErgunWenYu::CdRe() const
{
    return
        pos0(pair_.continuous() - 0.8)*WenYu_->CdRe()
      + neg(pair_.continuous() - 0.8)*Ergun_->CdRe();
}
 
 
// ************************************************************************* //