You could perhaps have a look at the PCBDDC : http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCBDDC.html contributed by Stefano Zampini.
Best, Nicolas 2014-09-03 13:09 GMT+02:00 Matthew Knepley <[email protected]>: > On Wed, Sep 3, 2014 at 3:10 AM, Alp Kalpalp <[email protected]> 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 >
