Sorry for that. Actually, the simple linear elliptic (second order) PDE is adopted in my codes. And, my results tell me that the MG method is more preferred than CG-like solvers.
On 10/8/07, Lisandro Dalcin <dalcinl at gmail.com> wrote: > > You forgot to mention what kind of problem your PDE is, appart from > being linear. I mean, can you describe which kind of problem are you > trying to solve? > > On 10/7/07, Yujie <recrusader at gmail.com> wrote: > > Hi, everyone > > > > I am using adaptive mesh refinement to solve a group of coupled > steady-state > > linear PDEs. I will use PETSC as the solver. Did anyone have experience > > in such problem. I want to know which > > solving method is more efficient, including > > iterative method and preconditioner. > > Thanks a lot. > > > > Regards, > > Yujie > > > > > -- > Lisandro Dalc?n > --------------- > Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) > Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) > Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) > PTLC - G?emes 3450, (3000) Santa Fe, Argentina > Tel/Fax: +54-(0)342-451.1594 > > -- Zhengyong Ren School of Info-physics and Geomatics Engineering DiXue Building, 3-322#, Central South University, Hunan Province,China. Postal code: 410083 Email: renzhengyong at gmail.com Tel: +086013787102372. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20071009/bd58d66f/attachment.htm>
