Oded, I summarized my current thoughts regarding the remeshing problem over here: https://groups.google.com/d/msg/dealii/tZK3R79j9d4/BW9WUrWVAAAJ
On Saturday, November 19, 2016 at 9:41:27 PM UTC-5, Oded Yaakobi wrote: > > Hi Tom, > > > > I have seen your user group correspondence in the past week, and > considered whether to describe my experience with Mesquite. It wasn't good, > and I didn't want to discourage you, so I didn't comment about it. Anyway, > now that you have asked me, I will do it. > > > > In my opinion, Mesquite's documentation is not good. As far as I could > understand from searching online, it was a small project, and most of its > developers are not working on it anymore. I don't think that they have any > user support. > > > > I had many problems with Mesquite's installation, and later on with its > use. It was hard to understand how to install it and how to use its > functions. For instance, one of the header files was missing, so I couldn't > use some of the functionality that I wanted. > > > > I tried to use several of Mesquite's mesh smoothing algorithms, and as far > as I remember, only one of them run successfully. Eventually, I abandoned > Mesquite. Instead of Mesquite, I began to use Cubit, which has built-in > into it some of the functionality of Mesquite, as well as many other > features. See: > > https://cubit.sandia.gov/ > > > > From my limited experience, Cubit has excellent documentation, trainings, > and its interface is friendly to the user. It is free and limited for US > government users, but has a similar (not free) product for academic and > commercial users called Trelis. See: > > http://www.csimsoft.com/ > > > > I would definitely recommend the use of Cubit/Trelis. > > > > I will be happy to answer further questions, if you have any. > > > > Best, > > Oded > > > > On Saturday, November 19, 2016 at 2:40:59 PM UTC-5, thomas stephens wrote: >> >> Oded, >> >> I am working on an evolving codimension-1 surface, representing >> deformations through the MappingQEulerian object, and running into what I >> presume is a similar problem as you have - tangential mesh distortion. >> >> How has your experience with Mesquite turned out? Specifically, how has >> the support and documentation been in your opinion? And have you been >> satisfied with the results that have been returned from Mesquite's built in >> algorithms? >> >> I'm trying to gauge how much time would need to be invested in >> integrating this into my simulations, any thoughts would be appreciated. >> Tom >> >> >> >> >> >> On Friday, May 6, 2016 at 5:08:05 PM UTC-4, Oded Yaakobi wrote: >>> >>> Hi Wolfgang, >>> >>> Thank you for your very quick reply. >>> >>> > That should be trivial. The vertex coordinates you can get via >>> > Triangulation::get_vertices(). For the vertex indices in the quads >>> array, you >>> > can just do >>> > std::vector<long> quads; >>> > for (cell=...) >>> > for (v=0..4) >>> > quads.push_back (cell->vertex_index(v)); >>> >>> Doesn’t Triangulation::get_vertices() give the coordinates of the >>> original location of vertices and not their current displaced coordinates >>> as represented by MappingQEulerian? >>> >>> Since my problem is 3D and I work with hexahedral elements (I would >>> state this fact in the creation of the ArrayMesh object that passes the >>> mesh into Mesquite), I guess that the vertex indices should be retrieved by >>> the following: >>> >>> std::vector<long> hexahedra; >>> for (cell=...) >>> for (v=0..7) >>> hexahedra.push_back (cell->vertex_index(v)); >>> >>> Anyway, one has to be sure that the convention of vertices numbering >>> within each cell is the same in deal.ii and in Mesquite. If not, a minor >>> modification in the inner “for” loop has to be made. >>> >>> Best, >>> Oded >>> >>> >>>> -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
