On Wed, Aug 22, 2012 at 2:52 AM, C.-C. Chiou <ccchiou2012 at gmail.com> wrote:
> Dear Mathew, > > Thanks for your response! > > At line 645 in the source code, > http://www.mcs.anl.gov/petsc/petsc-dev/include/petscsnes.h.html , > some SNES routines for multi-block solver were listed. > Is there any source code for specific testing PDE problem with these > routines? > That is an experiment that does not yet work. > In addition, is the KSP version available? > Its called ASM. Matt > Sincerely regards. > > Chuei-Ching Chiou > > > On Wed, Aug 8, 2012 at 9:06 PM, Matthew Knepley <knepley at gmail.com> wrote: > >> On Wed, Aug 8, 2012 at 2:30 AM, C.-C. Chiou <ccchiou2012 at gmail.com>wrote: >> >>> Dear all, >>> >>> For concerning more general geometry of physical domain, for some >>> situations, >>> we need to apply the multi-block mesh. The attached figure (or >>> alternatively the following link) illustrates one of examples. >>> >>> https://dl.dropbox.com/u/17189529/share_documents/IMAG0003.jpg >>> >>> Have you ever dealt with such kind of case with application of the PETSc >>> object 'DA' ? >>> >> >> Our intention for this is that you use a DMComposite structure. Let us >> know if the documentation is unclear >> on anything, since it is somewhat new. >> >> Thanks, >> >> Matt >> >> >>> Suppose we build multiple DA(or DM) for governing the multi-block data >>> structure, >>> in other words, we respectively build a DA for each block of mesh. >>> Especially in parallel computing, >>> how can we manage and control the communications between blocks of data >>> accurately and efficiently? >>> And, how can we ensure the correctness of parallel computational results? >>> >>> I wonder whether some possible application of PETSc object 'DA' (or DM) >>> is sufficient for dealing with cases in multi-block mesh. >>> >>> >>> Sincerely regards. >>> >>> >>> Chuei-Ching Chiou >>> >>> >>> -- >>> Chuei-Ching Chiou, >>> Ph. D student, >>> Aerothermal & Plasma Physics Laboratory >>> Department of Mechanical Engineering >>> National Chiao Tung University >>> Hsinchu 30010, TAIWAN >>> TEL: +886-35712121 ext. 55175 >>> E-mail: C <staystay.me99g at g2.nctu.edu.tw>CChiou2012 at gmail.com >>> >>> >> >> >> -- >> 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 >> > > > > -- > Chuei-Ching Chiou, > Ph. D student, > Aerothermal & Plasma Physics Laboratory > Department of Mechanical Engineering > National Chiao Tung University > Hsinchu 30010, TAIWAN > TEL: +886-35712121 ext. 55175 > E-mail: C <staystay.me99g at g2.nctu.edu.tw>CChiou2012 at gmail.com > > -- 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/20120822/7b158536/attachment.html>
