splitMeshRegions: automatic repatching
Functionality to add/problem to solve
cht cases can be tricky to mesh and set-up for large numbers of regions. One improvement would be to add support inside splitMeshRegions to automatically detect which regions/faces are close together and auto-generate patches for these.
cht without correct patching
Using the AMI algorithm see what produces a valid match and pick up these faces.
What does success look like, and how can we measure that?
On a reasonable mesh see whether the patching is done correctly.