On Wed, Jun 22, 2011 at 16:58, Qian Zhu <qzhu at mcs.anl.gov> wrote: > For ex5, par=xxx, using "-ksp_type gmres -pc_type ilu" will make the > solution converge while using "-ksp_type cg -pc_type jacobi" cannot (all > ksp's and pc's are just randomly picked...they may not make sense).
boundary conditions are not symmetric in this example > What would this "xxx" value be? Or is there any input parameters I am > missing out for these applications? look at snes ex19 and use -lidvelocity 100 -grashof 1e5 if you are looking for something that doesn't converge. Or try a Stokes problem. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110622/ccecfca5/attachment.htm>
