particle.C

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#include "particle.H"
#include "cloud_fvModel.H"
#include "cloud_functionObject.H"
#include "LagrangiancDdt.H"
#include "LagrangianmDdt.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace clouds
{
    defineTypeNameAndDebug(particle, 0);
    addToRunTimeSelectionTable(cloud, particle, polyMesh);
}
namespace fv
{
    makeCloudFvModel(particle);
}
namespace functionObjects
{
    makeCloudFunctionObject(particle);
}
}
 
 
// * * * * * * * * * * * *  Protected Member Functions * * * * * * * * * * * //
 
void Foam::clouds::particle::initialise(const bool predict)
{
    cloud::initialise(predict);
    coupled::initialise(predict);
}
 
 
void Foam::clouds::particle::partition()
{
    cloud::partition();
    coupled::partition();
}
 
 
Foam::tmp<Foam::LagrangianSubVectorField> Foam::clouds::particle::dUdt
(
    const LagrangianSubMesh& subMesh
) const
{
    const LagrangianSubScalarSubField& m = this->m.ref(subMesh);
    const LagrangianSubVectorSubField& U = this->U.ref(subMesh);
 
    return
        LagrangianModels().addsSupToField(m)
      ? (Lagrangianc::Ddt(m, U) - Lagrangianc::Ddt(m)*U)/m
      : Lagrangianc::Ddt(U);
}
 
 
bool Foam::clouds::particle::reCalculateModified()
{
    const bool dUdt = tracking == trackingType::parabolic;
 
    const LagrangianSubMesh subMesh = this->mesh().subNone();
 
    LagrangianSubScalarSubField& m = this->m.ref(subMesh);
    LagrangianSubVectorSubField& U = this->U.ref(subMesh);
 
    bool result = false;
 
    if (LagrangianModels().addsSupToField(m))
    {
        result = Lagrangianm::initDdt(dimless, m, dUdt) || result;
 
        if (context != contextType::functionObject)
        {
            result = Lagrangianm::initDdt(dimVolume, rhoc(subMesh)) || result;
        }
    }
 
    result = Lagrangianm::initDdt(dimVolume, U, dUdt) || result;
 
    if (context != contextType::functionObject)
    {
        result = Lagrangianm::initDdt(dimVolume, Uc(subMesh)) || result;
    }
 
    return result;
}
 
 
void Foam::clouds::particle::calculate
(
    const LagrangianSubScalarField& deltaT,
    const bool final
)
{
    const LagrangianSubMesh& subMesh = deltaT.mesh();
 
    LagrangianSubScalarSubField& m = this->m.ref(subMesh);
    const LagrangianSubScalarSubField rho(subMesh.sub(this->rho));
    LagrangianSubVectorSubField& U = this->U.ref(subMesh);
 
    // Solve the mass equation if a model provides a mass source
    if (LagrangianModels().addsSupToField(m))
    {
        LagrangianEqn<scalar> mEqn
        (
            Lagrangianm::Ddt(deltaT, m)
         ==
            LagrangianModels().source(deltaT, m)
        );
 
        mEqn.solve(final);
 
        // Correct the diameter, assuming the density remains constant
        spherical::correct(toSubField(m/rho));
 
        if (context != contextType::functionObject && final)
        {
            LagrangianEqn<scalar> mcEqn
            (
                Lagrangianm::noDdt(deltaT, dimVolume, rhoc(subMesh))
             ==
                LagrangianModels().sourceProxy(deltaT, m, rhoc(subMesh))
            );
 
            carrierEqn(rhoc) += mcEqn;
        }
    }
 
    // Solve the momentum equation
    {
        LagrangianEqn<vector> UEqn
        (
            Lagrangianm::Ddt(deltaT, m, U)
         ==
            LagrangianModels().source(deltaT, m, U)
        );
 
        UEqn.solve(final);
 
        if (context != contextType::functionObject && final)
        {
            LagrangianEqn<vector> UcEqn
            (
                Lagrangianm::noDdt(deltaT, dimMass, Uc(subMesh))
             ==
                LagrangianModels().sourceProxy(deltaT, m, U, Uc(subMesh))
            );
 
            carrierEqn(Uc) += UcEqn;
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::clouds::particle::particle
(
    const polyMesh& mesh,
    const word& name,
    const contextType context,
    const IOobject::readOption readOption,
    const IOobject::writeOption writeOption
)
:
    cloud(mesh, name, context, readOption, writeOption),
    spherical(static_cast<const cloud&>(*this)),
    massive(*this, *this),
    coupledToFluid(static_cast<const cloud&>(*this)),
    sphericalCoupled(*this, *this, *this)
{
    reCalculateModified();
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::clouds::particle::~particle()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void Foam::clouds::particle::solve()
{
    // Pre-solve operations ...
    coupled::clearCarrierEqns();
    coupledToFluid::updateRhoc();
 
    cloud::solve();
 
    // Post-solve operations ...
}
 
 
// ************************************************************************* //