[petsc-users] ASM for High-Order FEM

[Matthew Knepley]

On Mon, Mar 14, 2011 at 3:41 PM, Travis Austin <austin at txcorp.com> wrote:

> Hi,
>
> Thanks for your responses.  I saw a previous thread on this from Matt.
>
>    I*f you want multiple blocks/process AND you want to be able to do
> RASM, then
>    you need to specify both
>
>     1) the overlapping blocks
>
>     2) the non-overlapping parts
>
>    You need 2), because I have no idea how to calculate 2) given only 1).
> We
>    could have an alternative interface that
>    took 2) and an overlap, and figured it out, however currently that only
>    works for 1 block/process, and specfiying
>    both 1) and 2) is more general (I needed it for a specific PC).*
>
> The overlapping blocks are global indices and the non-overlapping are local
> indices?  Is that right?
>

No, both are global.

  Matt


> Thanks,
> Travis
>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Travis Austin, Ph.D.
> Tech-X Corporation
> 5621 Arapahoe Ave, Suite A
> Boulder, CO 80303
> austin at txcorp.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
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