[petsc-dev] DMPlexAddBoundary

[Jed Brown]

Adrian Croucher <a.croucher at auckland.ac.nz> writes:
> In the 'PhysicsCreate' functions there are calls to DMPlexAddBoundary(), 
> which takes an array of IDs; e.g. in PhysicsCreate_SW() the IDs are 
> {100,101,200,300}. It looks like these IDs define where the BCs are 
> applied, but what do these numbers actually refer to?

They are numbered "face sets" on the Cubit-generated example mesh.
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