h-refinement#2
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+ Refacor + CI tests (ethierRefine ciMode 24-27)
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On-the-fly oct-tree mesh refinement.
Controlled in par file. To split all elements into 8, simply put number of the segment into the par key like this:
Support multiple refinements: The below will do two rounds of refinement with
1-> 8 -> 8*27Supports restart from original (or other coarse) mesh controlled by the restart option
refine=a;b;c.startFrom = "r1.fld+refine=2"refines the fields from the checkpoint file.startFrom = "r1.fld+refine=2;3"does twice refinement with refein=2 follows by refine=3. (order will affect element numbering matters).It works with other options as well such as
startFrom = "r1.fld+U+refine=2"Refinement + restart doesn't support Adios for now.
Refinement is local inside MPI rank so load imbalance (i.e.,
max(nel) - max(nel) > 1) can happen.See ethier example
ciMode=24,25,26,27.Add
[MESH] maxElementspar key to set lelg in nek5000/SIZE, which gives more flexibility in CI test.