On Tue, 4 Nov 2014, Lei Zhao wrote: > I am running a FEM simulation codes (MOOSE) which is built on libmesh. I > encounter the failure of "*neigh_has_remote_children*" assertion. The error > occurs only with parallel runs. I searched a bit and learnt that the > "find_neighbors" misinterpret the nodes on the common side. I don't > understand the detailed mechanism completely. But I am wondering how can I > avoid this kind of error? Is there a direction I can work on in my input or > mesh? Here is the error message. > > *Assertion `neigh_has_remote_children' failed.* > *[1] ../src/mesh/unstructured_mesh.C, line 456, compiled Oct 27 2014 at > 09:37:28* > *application called MPI_Abort(MPI_COMM_WORLD, 1) - process 1*
This looks like a problem with our ParallelMesh code. If you can help us reproduce the problem I would appreciate it, but if you're just looking for a quick workaround and you're running a small enough problem then you could switch to SerialMesh. --- Roy ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
