Thanks for your reply, professor. I found that I should use the function make_zero_boundary_constraints with boudary_id rather that the overloaded function in step-36. I think my problem is solved, Have a nice day!
Best W. (smile) Le mercredi 23 février 2022 à 11:14:56 UTC+8, Wolfgang Bangerth a écrit : > On 2/22/22 20:01, Léonhard YU wrote: > > Hello my friends, I am dealing with solid system eigenvalue problem, and > I > > follow step-36 to construct the code. But how can I apply boundary > values? I > > need to give a constraint boundary to system but step-36 is not clear > about that. > > step-36 uses zero Dirichlet constraints, see the make_grid_and_dofs() > function. What kinds of constraints do you want? > > Best > W. > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: bang...@colostate.edu > www: http://www.math.colostate.edu/~bangerth/ > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/42b58a35-4892-41c7-9335-977357e7a082n%40googlegroups.com.
