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Reply To: olb1.6 bifurcation3d

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› Forums › OpenLB › General Topics › olb1.6 bifurcation3d › Reply To: olb1.6 bifurcation3d

November 6, 2023 at 11:48 am #7891
Adrian
Keymaster

The explanation is right there in the output you shared:

ERROR: Subgrid particles can only be used with MPI!

You need to compile this example using MPI as the inter-block communication of subgrid particles requires MPI.