Hi Jed, I think I understand what you mean. Are you saying that I have 2 separate nxn matrix to solve.
I combine them to form a 2n x 2n matrix and solve. I think it will also improve the scalability with regards to MPI too. Is that so? Yours sincerely, TAY wee-beng On 10/7/2011 1:02 AM, Jed Brown wrote: > On Sat, Jul 9, 2011 at 17:57, TAY wee-beng <zonexo at gmail.com > <mailto:zonexo at gmail.com>> wrote: > > Ok thanks. Btw, is it better to solve my x/y eqns together? How > can I do that? > > > Sure, interlace the x and y degrees of freedom and assemble the matrix > with x equations in the even row/column numbers and y equations in the > odd row/column numbers. > > Note that the equations are not decoupled for some boundary conditions > (e.g. slip on a curved surface or free surface). -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110710/b3312c9a/attachment.htm>
