ballisticCollisions.C

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#include "ballisticCollisions.H"
#include "addToRunTimeSelectionTable.H"
#include "fundamentalConstants.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace coalescenceModels
{
    defineTypeNameAndDebug(ballisticCollisions, 0);
    addToRunTimeSelectionTable
    (
        coalescenceModel,
        ballisticCollisions,
        dictionary
    );
}
}
}
 
using Foam::constant::physicoChemical::k;
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::coalescenceModels::ballisticCollisions::
ballisticCollisions
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    coalescenceModel(popBal, dict)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::diameterModels::coalescenceModels::ballisticCollisions::
addToCoalescenceRate
(
    volScalarField::Internal& coalescenceRate,
    const label i,
    const label j
)
{
    const sizeGroup& fi = popBal_.sizeGroups()[i];
    const sizeGroup& fj = popBal_.sizeGroups()[j];
 
    tmp<volScalarField> tdi = fi.d();
    const volScalarField::Internal& di = tdi();
    tmp<volScalarField> tdj = fj.d();
    const volScalarField::Internal& dj = tdj();
 
    const volScalarField::Internal& Tc = popBal_.continuousPhase().thermo().T();
 
    coalescenceRate +=
        sqrt(3*k*Tc/fi.phase().rho()())
       *sqr(di + dj)
       *sqrt(1/pow3(di) + 1/pow3(dj));
}
 
 
// ************************************************************************* //