Domain Decomposition Method

[Matthew Knepley]

If you have a structured problem, I recommend looking at a DA example.
If it is unstructured, the approach is to create the system matrix as a Mat.
The Additive Schwarz method is a preconditioner (PC) you specify on the
command line -pc_type asm. Theway to find example is to go to the online
webpage help. Below each function is a ist of the examples it is used in.

  Thanks,

     Matt

On 4/25/07, Waad Subber <wsubber at connect.carleton.ca> wrote:
> Hello everyone:
>
>     I am new to PETSC. Reading the tutorials, I understand that PETSC
> supports domain decomposition with additive Schwartz and iterative
> substructuring (balancing Neumann-Neumann). I am looking for some
> example codes involving these domain decomposition methods for 1D and
> 2D  PDE (preferable linear PDE) so that I can get started. Can anyone
> kindly point me to the right place where I can find them.
>
> Thanks :)
>
> waad
>
>


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