which solving methods is more efficient to my problem.

[RenZhengYong]

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 Dalcín
> ---------------
> Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
> Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
> Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
> PTLC - Güemes 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.
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