Hi Martin, Thank you. This is certainly looking useful. Do we have any example usage of this function? For example, how do we re-compute the mesh based on the return value from this aspect_ratio function or something?
Krishna On Wednesday, January 15, 2020 at 5:31:34 PM UTC, Martin Kronbichler wrote: > > Dear Krishna, > > We have recently added one such function, namely > GridTools::compute_aspect_ratio_of_cells(), > > > https://dealii.org/developer/doxygen/deal.II/namespaceGridTools.html#a2a9d8801d952ea8afa9ec1573229a329 > > Best, > Martin > On 15.01.20 18:26, Krishnakumar Gopalakrishnan wrote: > > In the results/extension section of Step-6 as well in Step-49, there is a > great deal of discussion about obtaining good meshes are for a problem, > with the caveat that this is a highly specialized topic. Step-49 is full of > warnings about things that can go wrong when applying certain > transformations, and it seems to implant doubts in my mind that my meshes > are never going to be correct :) > > > Given this, in the spirit of the Kelly Indicator for solution errors in a > cell, is there a similar single-metric for the quality/goodness of each > cell in a mesh? Maybe there is something based on the smallest internal > angle (to prevent slivers, for Jacobian of the mapping to be invertible, to > prevent inverted cells etc). > > > After all, error estimation is a complicated topic. nevertheless the Kelly > Indicator seems to do a reasonable job for quite a few equations. If > currently not implemented in Deal.II, is there any journal article that > discusses research in this direction? > > > > Krishna > -- > 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 dea...@googlegroups.com <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/3602a53a-a98a-4a5c-a512-a6d179c8dcec%40googlegroups.com > > <https://groups.google.com/d/msgid/dealii/3602a53a-a98a-4a5c-a512-a6d179c8dcec%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/0d406456-3ef9-4624-adb5-0343602466f4%40googlegroups.com.
