Note: we need to think of a way for users to provide their own fenics mesh with their own meshtags.
Here we have only two options: tags from XDMF, or 1D mesh. What about users providing a cube mesh but tagging the surfaces themselves?
Originally posted by @RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/641#discussion_r1394628784
Originally posted by @RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/641#discussion_r1394628784