[petsc-users] FETI-DP implementation and call sequence

[Matthew Knepley]

On Wed, Sep 3, 2014 at 3:10 AM, Alp Kalpalp <alpkalpalp at gmail.com> wrote:

> Hi,
>
> I need to investigate the performance of FETI-DP on a heteregenous problem
> with a proposed preconditioner/scaling and different parameters. I do not
> want to reinvent the known. I need to investigate the outcomes of my
> research on top of FETI-DP.
>
> I have seen several papers in literature discuss about the FETI-DP
> implementations in PetSc. However, seems none of them is provided in
> public. I have come across several functions in PetSc with *FETIDP* names.
> But, since this algorithm is quite different then the ksp algorithms, I
> could not figure out how to use them.
>
> I have two concrete questions;
>
> 1- Is it possible to complete a FETI-DP solution with the provided
> functions in current PetSc release?
>

There is no FETI-DP in PETSc. However, I recommend mailing Oliver Rheinbach
to see about collaboration (http://www.uni-koeln.de/~orheinba/)

  Thanks,

      Matt


> 2- If so, what  is the calling sequence for these functions?
>
> Thanks in advance,
>
> Alp
>



-- 
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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