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  • #841

Closed
Open
Created May 24, 2018 by Mattijs Janssens@MattijsMaintainer

mergeMeshes with overset issue

  • mergeMeshes uses built-in topology changes
  • which uses geometric matching for processor faces
  • which can go wrong if multiple faces have exactly the same face centre
  • which can happen for overset cases (if e.g. same cell sizes used in background and foreground meshes)

workaround: slightly perturb one of the meshes, e.g. mpirun -np 12 transformPoints -scale 1.000171

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