Magda, [...] > B has rank much less than the number of columns which is due to the fully > periodic boundary conditions and the corresponding sparsity pattern. So I > don't know how I could solve this issue. Any ideas? > Can you identify the corresponding eigenvector of B^T B? I would still not be surprised if the pressure is only unique up to a constant implying that a vector representing a constant pressure is such an eigenvector.
Best, Daniel -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
