Hi all, In step-36, there is an explanation on how Dirichlet boundary conditions introduce spurious eigenvalues because some dofs are constrained. However, there is no mention of hanging nodes. So I am wondering if I can treat them as shown for the Dirichlet boundary, i.e, the only difference between a hanging node and a Dirichlet is what happens in ConstraintMatrix::distribute(). I also wonder if there is a way to avoid having these spurious eigenvalues computed or if the only way to deal with them is to redo the calculation after changing the entries in the matrix.
Best, Bruno -- 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. For more options, visit https://groups.google.com/d/optout.
