Re: [Libmesh-users] Dirichlet constraints in NonlinearImplicitSystem

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

Hi all,

I had no reply on this one, I am struggling with this design.
I could not make this work, should I go for the Penalty method?

Renato


On Tue, Aug 10, 2021 at 10:49 PM Renato Poli <re...@gm...> wrote:

> Hi,
>
> In linear systems, I was used to adding dirichlet constraints with
> dogmap.add_dirichlet_constraints(). I needed to use
> heterogeneously_constrain_matrix_and_vector after assembly.
>
> What would be the way to do that in NonlinearImplicitSystem? I understand
> that NR solvers solve for the increment, so that "heterogeneously" would
> make little sense.
>
> Should I expect Dirichlet constraints to work anyway?
>
> Renato
>