PatchInjection.C

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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/>.
 
\*---------------------------------------------------------------------------*/
 
#include "PatchInjection.H"
#include "TimeFunction1.H"
#include "distribution.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::PatchInjection<CloudType>::PatchInjection
(
    const dictionary& dict,
    CloudType& owner,
    const word& modelName
)
:
    InjectionModel<CloudType>(dict, owner, modelName, typeName),
    patchInjectionBase(owner.mesh(), this->coeffDict().lookup("patchName")),
    duration_(this->readDuration(dict, owner)),
    massFlowRate_(this->readMassFlowRate(dict, owner, duration_)),
    parcelsPerSecond_(this->readParcelsPerSecond(dict, owner)),
    U0_(this->coeffDict().lookup("U0")),
    sizeDistribution_
    (
        distribution::New
        (
            this->coeffDict().subDict("sizeDistribution"),
            owner.rndGen(),
            this->sizeSampleQ()
        )
    )
{}
 
 
template<class CloudType>
Foam::PatchInjection<CloudType>::PatchInjection
(
    const PatchInjection<CloudType>& im
)
:
    InjectionModel<CloudType>(im),
    patchInjectionBase(im),
    duration_(im.duration_),
    massFlowRate_(im.massFlowRate_),
    parcelsPerSecond_(im.parcelsPerSecond_),
    U0_(im.U0_),
    sizeDistribution_(im.sizeDistribution_().clone().ptr())
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::PatchInjection<CloudType>::~PatchInjection()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
void Foam::PatchInjection<CloudType>::topoChange()
{
    patchInjectionBase::topoChange(this->owner().mesh());
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchInjection<CloudType>::timeEnd() const
{
    return this->SOI_ + duration_;
}
 
 
template<class CloudType>
Foam::label Foam::PatchInjection<CloudType>::nParcelsToInject
(
    const scalar time0,
    const scalar time1
)
{
    if (time0 >= 0 && time0 < duration_)
    {
        scalar nParcels = parcelsPerSecond_.integral(time0, time1);
 
        Random& rnd = this->owner().rndGen();
 
        label nParcelsToInject = floor(nParcels);
 
        // Inject an additional parcel with a probability based on the
        // remainder after the floor function
        if
        (
            nParcelsToInject > 0
         && (nParcels - scalar(nParcelsToInject) > rnd.globalScalar01())
        )
        {
            ++nParcelsToInject;
        }
 
        return nParcelsToInject;
    }
    else
    {
        return 0;
    }
}
 
 
template<class CloudType>
Foam::scalar Foam::PatchInjection<CloudType>::massToInject
(
    const scalar time0,
    const scalar time1
)
{
    if (time0 >= 0 && time0 < duration_)
    {
        return massFlowRate_.integral(time0, time1);
    }
    else
    {
        return 0;
    }
}
 
 
template<class CloudType>
void Foam::PatchInjection<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::PatchInjection<CloudType>::setProperties
(
    const label,
    const label,
    const scalar,
    typename CloudType::parcelType& parcel
)
{
    // set particle velocity
    parcel.U() = U0_;
 
    // set particle diameter
    parcel.d() = sizeDistribution_->sample();
}
 
 
template<class CloudType>
bool Foam::PatchInjection<CloudType>::fullyDescribed() const
{
    return false;
}
 
 
// ************************************************************************* //