On Sun, Jan 8, 2012 at 20:28, Mohamad M. Nasr-Azadani <mmnasr at gmail.com>wrote:
> Maybe I was not 100% clear, the way that I dealt with the nullspace was to > set the pressure to zero at one node in the entire domain. Well, this pollutes the spectrum, although most preconditioners fix it. We recommend using KSPSetNullSpace() instead. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120108/98c698ae/attachment.htm>
