On Wed, 15 Dec 2010, Michael Povolotskyi wrote:
> Dear Libmesh developers,
> I have a question about the node id.
> Is it assumed in the libmesh code that node id's are not just the unique
> numbers but rather belong to consecutive set from 0 to n?
I think we don't make that assumption in most code, but we do renumber
nodes and elements to make them contiguous during a typical
prepare_for_use and I think many of the IO methods assume they're
Also SerialMesh stores things in vectors indexed by ID; *too* much
sparsity would be a memory suck.