[Libmesh-users] Parallel AMR bugfix for Hierarchic (and other) elements

2010-11-08 Thread Roy Stogner
On Mon, 8 Nov 2010, Roy Stogner wrote: > Indeed it does! I can replicate that (seeing an exception in the > ghosted vector support) just by switching ex14 to cubic hierarchics. > > I'll look into this ASAP. I rooted out the problem I found, and the bug fix for that is in the svn head now. Saur

Re: [Libmesh-users] Reinit Eq. system

2010-11-08 Thread Roy Stogner
On Mon, 8 Nov 2010, Saurabh Srivastava wrote: I am currently using Libmesh to develop a fluid solver for coupling with particles/structures. I have a few related questions .. A)  Does the reinit() function in equation system classs ..allows solution to be projected onto new mesh? (as I recall

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

2010-11-08 Thread Roy Stogner
On Mon, 8 Nov 2010, Tim Kroeger wrote: > Idea #4: Upon removing the columns of the matrix, automatically adjust > the right hand side. I think this would actually be quite easy to do > by the following procedure: > > 1. Remove the inactive rows of the matrix. > > 2. Let B denote the

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

2010-11-08 Thread Tim Kroeger
On Mon, 8 Nov 2010, Tim Kroeger wrote: > Idea #4: Upon removing the columns of the matrix, automatically adjust > the right hand side. I think this would actually be quite easy to do > by the following procedure: > > 1. Remove the inactive rows of the matrix. > > 2. Let B denote the a

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

2010-11-08 Thread Tim Kroeger
On Mon, 8 Nov 2010, Derek Gaston wrote: > I haven't followed this whole thread so forgive me if this has been > explained... but how do you end up with a refined element (D) being > in a different subdomain from it's parent (that made up ABCD)? Is > your subdomain evolving throughout the simul

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

2010-11-08 Thread Derek Gaston
On Nov 8, 2010, at 8:07 AM, Tim Kroeger wrote: > The next difficulty with my solve-on-part-of-domain stuff has now > shown up. It is the constrained-dof issue now, which Roy already > predicted and I didn't believe. Luckily enough, my application seems > to be sufficiently complicated for any

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

2010-11-08 Thread Tim Kroeger
The next difficulty with my solve-on-part-of-domain stuff has now shown up. It is the constrained-dof issue now, which Roy already predicted and I didn't believe. Luckily enough, my application seems to be sufficiently complicated for any potential problem to actually occur. Let's assume the