Non-unique Particle Ids Across Multiple MPI Processes

[hlokavarapu]

With multiple MPI processes, the particle Ids for the associated subdomain are indexed starting from 0 for the following generators: uniform box, and uniform radial.

To reproduce the bug:

• unzip circular_tracer_flow.zip
• mpirun -np 2 uniformRadial.prm or mpirun -np 2 uniformBox.prm
• observe the particle ids' of ascii based data output files

nonUniqueParticleIds.zip

Sample Particle ascii data at timeStep 0 of uniform radial generator:

• particle-00000.0000.txt
• particle-00000.0001.txt

Sample Particle ascii data at a later timeStep (63) of uniform radial generator:

• particle-00063.0000.txt
• particle-00063.0001.txt