Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-10-15 Thread Jed Brown via petsc-dev
I think this thread got dropped when I was on travel (two months ago and I'm just now getting back to it, eek!). Matt, could you please comment on this model? Jed Brown via petsc-dev writes: > Matthew Knepley writes: > >> The local points could be distinct for >> both fields and coor

Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-08-14 Thread Jed Brown via petsc-dev
Matthew Knepley writes: >>> >> The local points could be distinct for >>> >> both fields and coordinates, with the global SF de-duplicating the >>> >> periodic points for fields, versus leaving them distinct for >>> >> coordinates. >>> > >>> > >>> > Oh, no I would never do that. >>> >>> Can you h

Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-08-14 Thread Jed Brown via petsc-dev
Matthew Knepley writes: > On Wed, Aug 14, 2019 at 11:46 AM Jed Brown wrote: > >> Matthew Knepley writes: >> >> > On Tue, Aug 13, 2019 at 7:35 PM Stefano Zampini < >> stefano.zamp...@gmail.com> >> > wrote: >> > >> >> >> >> >> >> On Aug 14, 2019, at 1:19 AM, Jed Brown via petsc-dev < >> >> petsc-

Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-08-14 Thread Jed Brown via petsc-dev
Jed Brown via petsc-dev writes: > Matthew Knepley writes: > >> On Tue, Aug 13, 2019 at 7:35 PM Stefano Zampini >> wrote: >> >>> >>> >>> On Aug 14, 2019, at 1:19 AM, Jed Brown via petsc-dev < >>> petsc-dev@mcs.anl.gov> wrote: >>> >>> [Cc: petsc-dev] >>> >>> Also, why is our current mode of local

Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-08-14 Thread Jed Brown via petsc-dev
Matthew Knepley writes: > On Tue, Aug 13, 2019 at 7:35 PM Stefano Zampini > wrote: > >> >> >> On Aug 14, 2019, at 1:19 AM, Jed Brown via petsc-dev < >> petsc-dev@mcs.anl.gov> wrote: >> >> [Cc: petsc-dev] >> >> Also, why is our current mode of localized coordinates preferred over >> the coordinat

Re: [petsc-dev] Periodic meshes with <3 elements per edge?

2019-08-13 Thread Jed Brown via petsc-dev
[Cc: petsc-dev] Also, why is our current mode of localized coordinates preferred over the coordinate DM being non-periodic? Is the intent to preserve that for every point in a DM, the point is also valid in the coordinate DM? Can there be "gaps" in a chart? I've been digging around in the implem