Re: [Libmesh-users] Dirichlet boundary condition setting variable to zero?

[Renato P. <re...@gm...>]

> Are you using the homogeneous or the heterogeneous constraint
> functions when constraining your system of equations?  Often we solve
> for a delta between two solutions (Newton steps, time steps with fixed
> BC values, etc) rather than directly solving for the constrained
> solution, so we have different methods to handle constraints in the
> former vs latter case.  If you've written your own assembly loop,
> check it to make sure you're using the appropriate method?

You are right.
I was not using the heterogeneous.
Now it works.

Thanks once again for the excellent support!
Renato