ParticleTracks.C

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License
    This file is part of OpenFOAM.
 
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    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.
 
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    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/>.
 
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#include "ParticleTracks.H"
 
// * * * * * * * * * * * * * protected Member Functions  * * * * * * * * * * //
 
template<class CloudType>
void Foam::ParticleTracks<CloudType>::write()
{
    cloudPtr_->write();
 
    if (resetOnWrite_)
    {
        cloudPtr_->clear();
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::ParticleTracks<CloudType>::ParticleTracks
(
    const dictionary& dict,
    CloudType& owner,
    const word& modelName
)
:
    CloudFunctionObject<CloudType>(dict, owner, modelName, typeName),
    trackInterval_(this->coeffDict().template lookup<label>("trackInterval")),
    maxSamples_(this->coeffDict().template lookup<label>("maxSamples")),
    resetOnWrite_(this->coeffDict().lookup("resetOnWrite")),
    faceHitCounter_(),
    cloudPtr_(nullptr)
{}
 
 
template<class CloudType>
Foam::ParticleTracks<CloudType>::ParticleTracks
(
    const ParticleTracks<CloudType>& ppm
)
:
    CloudFunctionObject<CloudType>(ppm),
    trackInterval_(ppm.trackInterval_),
    maxSamples_(ppm.maxSamples_),
    resetOnWrite_(ppm.resetOnWrite_),
    faceHitCounter_(ppm.faceHitCounter_),
    cloudPtr_(ppm.cloudPtr_)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::ParticleTracks<CloudType>::~ParticleTracks()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
void Foam::ParticleTracks<CloudType>::preEvolve()
{
    if (!cloudPtr_.valid())
    {
        cloudPtr_.reset
        (
            this->owner().cloneBare(this->owner().name() + "Tracks").ptr()
        );
    }
}
 
 
template<class CloudType>
void Foam::ParticleTracks<CloudType>::preFace(const parcelType& p)
{
    if
    (
        !this->owner().solution().output()
     && !this->owner().solution().transient()
    )
    {
        return;
    }
 
    const labelPair id(p.origProc(), p.origId());
 
    hitCountTable::iterator iter = faceHitCounter_.find(id);
 
    label hitCount = -1;
    if (iter != faceHitCounter_.end())
    {
        iter() ++;
        hitCount = iter();
    }
    else
    {
        faceHitCounter_.insert(id, 1);
        hitCount = 1;
    }
 
    const label nSamples = floor(hitCount/trackInterval_);
 
    if ((hitCount % trackInterval_ == 0) && (nSamples < maxSamples_))
    {
        cloudPtr_->append
        (
            static_cast<parcelType*>(p.clone().ptr())
        );
    }
}
 
 
template<class CloudType>
void Foam::ParticleTracks<CloudType>::postPatch
(
    const parcelType& p,
    const polyPatch& pp
)
{
    if (pp.coupled())
    {
        preFace(p);
    }
}
 
 
// ************************************************************************* //