Re: [petsc-users] Pulling submeshes out of a DMPlex object

2017-09-06 Thread Lawrence Mitchell
On 6 Sep 2017, at 20:58, Matthew Knepley wrote: >> 1. The locally visible part of a distributed mesh (so that I can >> discretise and solve independent problems on each local part) > > This is already a standalone Plex. If you delete the PetscSF, it never knows > anyone

Re: [petsc-users] Pulling submeshes out of a DMPlex object

2017-09-06 Thread Matthew Knepley
On Wed, Sep 6, 2017 at 2:29 PM, Lawrence Mitchell < lawrence.mitch...@imperial.ac.uk> wrote: > Dear all, > > for various reasons I'd like, given an existing DMPlex mesh, to be > able to pull submeshes out. These might take various forms: > > 1. The locally visible part of a distributed mesh (so

[petsc-users] Pulling submeshes out of a DMPlex object

2017-09-06 Thread Lawrence Mitchell
Dear all, for various reasons I'd like, given an existing DMPlex mesh, to be able to pull submeshes out. These might take various forms: 1. The locally visible part of a distributed mesh (so that I can discretise and solve independent problems on each local part) 2. Some subset of entities of