Hello Wolfgang,
Thanks. While you're at it, would you mind also looking at
compute_no_normal_flux_constraints? Thanks!
I will have a look at it, too, but I think there the problem should not
occur, since, as far as I have understood, the issue only occurs with
nonhomogeneous boundary conditions.
Further, I would propose to
change this part in the tutorials as well, because there are a few,
where it is done in the "wrong way", and then new users will get on the
wrong track. What do you think about that?
Yes. If you let me know which ones you think are affected I'll take a look.
I have seen the DoFTools::make_hanging_node_constraints function in
connection with VectorTools::interpolate_boundary_values in steps 22 and 27.
I would like to mention the general problem somewhere but can't really seem to
find a good place. We don't have a module on constraints, but we have fairly
extensive documentation in ConstraintMatrix. I'll probably stick something in
there. Any other suggestions?
As there is already a section on Dirichlet boundary conditions right
under the section on hanging node constraints, I think it would be a
good idea to just extend the section on Dirichlet boundary conditions.
Best Regards,
Markus
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