Hi

Here are some questions concerning the parallel mesh. I ran into segmentation
faults after I shifted mesh nodes. The only reason I could find was a
assertion failure on line 644 in mesh_communication_global_indices.C.
Unfortunately I was not able to debug that problem any further.

If I understand it correctly, the Hilbert indices are based on node
coordinates (since they are space filling curves). Then, shifting nodes of
leads to different indices, and therefore different pid's in the calculations
in mesh_communication_global_indices.

So, which method of the mesh resp. from the MeshCommunication namespace should
I call to fix that problem? MeshCommunication::redistribute seems to be the
obvious candidate.

Thanks for some enlightenment!

Best, Martin

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