Re: [deal.II] Error while writing material-wise-post-processed quantities using higher order QEulerian Mapping

2020-02-03 Thread Paras Kumar
Dear Wolfgang, Thank you so much for your help. The function DataOut::set_cell_selection() seems to be quite useful. Best regards, Paras On Monday, February 3, 2020 at 12:01:39 AM UTC+1, Wolfgang Bangerth wrote: > > > Finally the fix: https://github.com/dealii/dealii/pull/9466 > > Paras:

Re: [deal.II] Error while writing material-wise-post-processed quantities using higher order QEulerian Mapping

2020-02-02 Thread Wolfgang Bangerth
Finally the fix: https://github.com/dealii/dealii/pull/9466 Paras: Thanks a lot for the excellent testcase! I managed to make it substantially smaller still, but it was a very good starting point to find what is actually happening! I co-credited you with the fix. Best W. --

Re: [deal.II] Error while writing material-wise-post-processed quantities using higher order QEulerian Mapping

2020-02-01 Thread Wolfgang Bangerth
> Could someone please help me understand where I go wrong. The error can be > easily reproduced by setting /fePolyDegree >1 in the attached MWE. Paras -- it's a bug in deal.II: The assertion you run into is a bit overzealous and flags something that is perfectly legitimate. I'll fix the

Re: [deal.II] Error while writing material-wise-post-processed quantities using higher order QEulerian Mapping

2020-01-31 Thread Wolfgang Bangerth
Paras, > In order to write the post-processed stresses contained partially in several > vectors, to a single file, the class DataOutMaterialWise has been derived > from > DataOut. Furthermore, for visualizing the stresses on the deformed contour, > dealii::MappingQEulerian based on the