PatchFlowRateInjection.C

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#include "PatchFlowRateInjection.H"
#include "distribution.H"
#include "mathematicalConstants.H"
#include "surfaceFields.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::PatchFlowRateInjection<CloudType>::PatchFlowRateInjection
(
    const dictionary& dict,
    CloudType& owner,
    const word& modelName
)
:
    InjectionModel<CloudType>(dict, owner, modelName,typeName),
    patchInjectionBase(owner.mesh(), this->coeffDict().lookup("patchName")),
    phiName_(this->coeffDict().template lookupOrDefault<word>("phi", "phi")),
    rhoName_(this->coeffDict().template lookupOrDefault<word>("rho", "rho")),
    duration_(this->readDuration(dict, owner)),
    volumeRatio_
    (
        this->coeffDict().found("concentration")
     || this->coeffDict().found("volumeRatio")
      ? Function1<scalar>::New
        (
            this->coeffDict().found("volumeRatio")
          ? "volumeRatio"
          : "concentration",
            this->owner().db().time().userUnits(),
            dimless,
            this->coeffDict()
        )
      : autoPtr<Function1<scalar>>()
    ),
    massRatio_
    (
        this->coeffDict().found("massRatio")
      ? Function1<scalar>::New
        (
            "massRatio",
            this->owner().db().time().userUnits(),
            dimless,
            this->coeffDict()
        )
      : autoPtr<Function1<scalar>>()
    ),
    parcelConcentration_
    (
        this->coeffDict().template lookup<scalar>("parcelConcentration")
    ),
    sizeDistribution_
    (
        distribution::New
        (
            dimLength,
            this->coeffDict().subDict("sizeDistribution"),
            this->sizeSampleQ(),
            owner.rndGen().generator()
        )
    )
{
    if (volumeRatio_.valid() && massRatio_.valid())
    {
        FatalIOErrorInFunction(this->coeffDict())
            << "keywords volumeRatio (or concentration) and "
            << "massRatio both defined in dictionary "
            << this->coeffDict().name() << exit(FatalIOError);
    }
 
    if (!volumeRatio_.valid() && !massRatio_.valid())
    {
        FatalIOErrorInFunction(this->coeffDict())
            << "keyword volumeRatio or massRatio is "
            << "undefined in dictionary "
            << this->coeffDict().name() << exit(FatalIOError);
    }
}
 
 
template<class CloudType>
Foam::PatchFlowRateInjection<CloudType>::PatchFlowRateInjection
(
    const PatchFlowRateInjection<CloudType>& im
)
:
    InjectionModel<CloudType>(im),
    patchInjectionBase(im),
    phiName_(im.phiName_),
    rhoName_(im.rhoName_),
    duration_(im.duration_),
    volumeRatio_(im.volumeRatio_, false),
    massRatio_(im.massRatio_, false),
    parcelConcentration_(im.parcelConcentration_),
    sizeDistribution_(im.sizeDistribution_, false)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::PatchFlowRateInjection<CloudType>::~PatchFlowRateInjection()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
void Foam::PatchFlowRateInjection<CloudType>::topoChange()
{
    patchInjectionBase::topoChange(this->owner().mesh());
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchFlowRateInjection<CloudType>::timeEnd() const
{
    return this->SOI_ + duration_;
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchFlowRateInjection<CloudType>::volumetricFlowRate() const
{
   const polyMesh& mesh = this->owner().mesh();
 
    const surfaceScalarField& phi =
        mesh.lookupObject<surfaceScalarField>(phiName_);
    const scalarField& phip = phi.boundaryField()[patchId_];
 
    scalar flowRateIn;
    if (phi.dimensions() == dimVolumetricFlux)
    {
        flowRateIn = max(scalar(0), -sum(phip));
    }
    else
    {
        const volScalarField& rho =
            mesh.lookupObject<volScalarField>(rhoName_);
        const scalarField& rhop = rho.boundaryField()[patchId_];
 
        flowRateIn = max(scalar(0), -sum(phip/rhop));
    }
 
    reduce(flowRateIn, sumOp<scalar>());
 
    return flowRateIn;
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchFlowRateInjection<CloudType>::massFlowRate() const
{
   const polyMesh& mesh = this->owner().mesh();
 
    const surfaceScalarField& phi =
        mesh.lookupObject<surfaceScalarField>(phiName_);
    const scalarField& phip = phi.boundaryField()[patchId_];
 
    scalar flowRateIn;
    if (phi.dimensions() == dimVolumetricFlux)
    {
        const volScalarField& rho =
            mesh.lookupObject<volScalarField>(rhoName_);
        const scalarField& rhop = rho.boundaryField()[patchId_];
 
        flowRateIn = max(scalar(0), -sum(phip*rhop));
    }
    else
    {
        flowRateIn = max(scalar(0), -sum(phip));
    }
 
    reduce(flowRateIn, sumOp<scalar>());
 
    return flowRateIn;
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchFlowRateInjection<CloudType>::nParcelsToInject
(
    const scalar t0,
    const scalar t1
)
{
    if (t1 >= 0 && t0 < duration_)
    {
        const scalar tMid = (t0 + t1)/2;
 
        const scalar volumeFlowRateToInject =
            volumeRatio_.valid()
          ? volumeRatio_->value(tMid)
           *volumetricFlowRate()
          : massRatio_->value(tMid)
           *massFlowRate()
           /this->owner().constProps().rho0();
 
        return
            parcelConcentration_
           *volumeFlowRateToInject
           *(min(t1, duration_) - max(t0, 0));
    }
    else
    {
        return 0;
    }
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchFlowRateInjection<CloudType>::massToInject
(
    const scalar t0,
    const scalar t1
)
{
    if (t1 >= 0 && t0 < duration_)
    {
        const scalar tMid = (t0 + t1)/2;
 
        const scalar massFlowRateToInject =
            volumeRatio_.valid()
          ? volumeRatio_->value(tMid)
           *volumetricFlowRate()
           *this->owner().constProps().rho0()
          : massRatio_->value(tMid)
           *massFlowRate();
 
        return
            massFlowRateToInject
           *(min(t1, duration_) - max(t0, 0));
    }
    else
    {
        return 0;
    }
}
 
 
template<class CloudType>
void Foam::PatchFlowRateInjection<CloudType>::setPositionAndCell
(
    const label,
    const label,
    const scalar,
    barycentric& coordinates,
    label& celli,
    label& tetFacei,
    label& tetPti,
    label& facei
)
{
    patchInjectionBase::setPositionAndCell
    (
        this->owner().mesh(),
        this->owner().rndGen(),
        coordinates,
        celli,
        tetFacei,
        tetPti,
        facei
    );
}
 
 
template<class CloudType>
void Foam::PatchFlowRateInjection<CloudType>::setProperties
(
    const label,
    const label,
    const scalar,
    typename CloudType::parcelType::trackingData& td,
    typename CloudType::parcelType& parcel
)
{
    // Set particle velocity to carrier velocity
    parcel.U() = this->owner().U()[parcel.cell()];
 
    // Set particle diameter
    parcel.d() = sizeDistribution_->sample();
}
 
 
template<class CloudType>
bool Foam::PatchFlowRateInjection<CloudType>::fullyDescribed() const
{
    return false;
}
 
 
// ************************************************************************* //