timeScaleFilteredDrag.C

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#include "timeScaleFilteredDrag.H"
#include "swarmCorrection.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace dragModels
{
    defineTypeNameAndDebug(timeScaleFilteredDrag, 0);
    addToRunTimeSelectionTable(dragModel, timeScaleFilteredDrag, dictionary);
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::dragModels::timeScaleFilteredDrag::timeScaleFilteredDrag
(
    const dictionary& dict,
    const phaseInterface& interface,
    const bool registerObject
)
:
    dispersedDragModel(dict.subDict("dragModel"), interface, registerObject),
    dragModel_(dragModel::New(dict.subDict("dragModel"), interface)),
    minRelaxTime_("minRelaxTime", dimTime, dict)
{
    if (!isA<dispersedDragModel>(dragModel_()))
    {
        FatalErrorInFunction
            << "The sub-drag-model of a " << type()
            << " drag model must be for a dispersed configuration"
            << exit(FatalError);
    }
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::dragModels::timeScaleFilteredDrag::~timeScaleFilteredDrag()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::dragModels::timeScaleFilteredDrag::CdRe() const
{
    const volScalarField limit
    (
        sqr(interface_.dispersed().d())
       *interface_.dispersed().rho()
       /0.75
       /swarmCorrection_->Cs()
       /interface_.continuous().rho()
       /interface_.continuous().fluidThermo().nu()
       /minRelaxTime_
    );
 
    return min(refCast<const dispersedDragModel>(dragModel_()).CdRe(), limit);
}
 
 
// ************************************************************************* //