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ENH: Added new injectedParticleDistributionInjection lagrangian injection model
Andrew Heather authored 
Description
    Interrogates an injectedParticleCloud to convert the raw particle
    data into a set of 'binned' injectors.

    The bins are set according to the particle \c tag property, from which:
    - diameters are converted into \c general distributions with a
      user-specified bin width
    - raw velocity and diameter data are resampled and stored to provide
      variations per injector

    The mass to inject can be set according to the raw input data mass total
    by using the \c applyDistributionMassTotal switch

Usage
    \verbatim
    model1
    {
        type            injectedParticleDistributionInjection;
        SOI             0;
        parcelBasisType mass;
        cloud           eulerianParticleCloud;
        positionOffset  (-0.025 2 -0.025);
        binWidth        0.1e-3;
        parcelsPerInjector 500;
        resampleSize    100;                    // optional
        applyDistributionMassTotal yes;

        // Placeholder only when using applyDistributionMassTotal
        massTotal       0;
    }
    \endverbatim

Note
    The each injector location is assumed to be operating under steady
    conditions, i.e. using a constant flow rate profile

SourceFiles
    InjectedParticleDistributionInjection.C

See also
    Foam::injectedParticle
    Foam::injectedParticleCloud
    Foam::functionObjects::extractEulerianParticles
    Foam::distributionModels::general
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