On Tue, Mar 6, 2012 at 9:10 AM, Kharche, Sanjay < Sanjay.Kharche at liverpool.ac.uk> wrote:
> > Dear All > > Can someone suggest me for how to solve the 3D heat equation implicitly > using ADI please. > > In brief, I would like to solve the 3D heat equation with a constant > diffusion using finite differences. In 1D, I am using the Thomas algorithm > in serial. However, since the 3D problem is large, I need to parallelise > it. Any pointers will be appreciated. > ADI is from the last century. Use PETSc's Geometric Multigrid. If you look at SNES ex50 and the tutorial runs for it, you can see how this works. Matt > thanks > Sanjay > > -- 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/20120306/85d4559c/attachment-0001.htm>
