Re: [Libmesh-users] Removing hanging nodes after mesh refinement

2010-10-22 Thread Roy Stogner
On Fri, 22 Oct 2010, John Peterson wrote: > On Fri, Oct 22, 2010 at 10:43 AM, Andrew Riddle wrote: >> I am relatively new to libmesh. I would like to be able to use it to perform >> refinement of my 3D meshes. I want to be able to read my mesh into libmesh, >> perform refinement on a subset of e

Re: [Libmesh-users] Removing hanging nodes after mesh refinement

2010-10-22 Thread John Peterson
On Fri, Oct 22, 2010 at 10:43 AM, Andrew Riddle wrote: > Hello all, > > I am relatively new to libmesh. I would like to be able to use it to perform > refinement of my 3D meshes. I want to be able to read my mesh into libmesh, > perform refinement on a subset of elements that I select by a special

[Libmesh-users] Removing hanging nodes after mesh refinement

2010-10-22 Thread Andrew Riddle
Hello all, I am relatively new to libmesh. I would like to be able to use it to perform refinement of my 3D meshes. I want to be able to read my mesh into libmesh, perform refinement on a subset of elements that I select by a special criteria that I have and then write my mesh back out to a file.

Re: [Libmesh-users] Solve on part of domain

2010-10-22 Thread John Peterson
On Fri, Oct 22, 2010 at 2:46 AM, Tim Kroeger wrote: > On Thu, 21 Oct 2010, Roy Stogner wrote: > >> It looks like there's a deadlock in here in parallel?  You're doing >> blocking sends followed by blocking receives?  Probably need to switch >> those (at least the sends, but optimally both) to non-

Re: [Libmesh-users] Solve on part of domain

2010-10-22 Thread Tim Kroeger
On Fri, 22 Oct 2010, Roy Stogner wrote: > On Fri, 22 Oct 2010, Tim Kroeger wrote: > >> On Thu, 21 Oct 2010, Roy Stogner wrote: >> >>> Would it make sense to loop over all active elements, not just local >>> ones? >> >> That would certainly solve the problem, but it wouldn't scale well, would >>

Re: [Libmesh-users] Solve on part of domain

2010-10-22 Thread Roy Stogner
On Fri, 22 Oct 2010, Tim Kroeger wrote: > On Thu, 21 Oct 2010, Roy Stogner wrote: > >> Would it make sense to loop over all active elements, not just local >> ones? > > That would certainly solve the problem, but it wouldn't scale well, would it? > (At least as long as ParallelMesh is not stabl

Re: [Libmesh-users] Solve on part of domain

2010-10-22 Thread Tim Kroeger
On Thu, 21 Oct 2010, Roy Stogner wrote: It looks like there's a deadlock in here in parallel? You're doing blocking sends followed by blocking receives? Probably need to switch those (at least the sends, but optimally both) to non-blocking. Good point. It worked for me, but aparently I've j