On Fri, Apr 20, 2012 at 9:53 AM, Dominik Szczerba <dominik at itis.ethz.ch>wrote:
> I am using SNES to solve a simple nonlinear system. > My vector of unknowns (x) is ghosted, and before (i.e. with my own > home brewed nonlinear solver) I had to always update the ghosted > values after a linear solve with ksp. How can I now force the update, > if I am not calling ksp myself? > You can use http://www.mcs.anl.gov/petsc/petsc-dev/docs/manualpages/SNES/SNESSetUpdate.html Also, you could investigate using DM, where this should be automatic, but that is probably a bigger change to your code. Matt > Thanks for any hints, > > Dominik > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120420/6b441931/attachment.htm>
