Shahab, Can you quantify the deformation? It would be useful if you could output the coordinates of the vertices of the deformed cells before and after load balancing. It is possible that's a rendering issue but it's hard to tell without having numbers.
Best, Bruno On Wednesday, July 28, 2021 at 6:48:50 PM UTC-4 [email protected] wrote: > Dear All, > > I have noticed that some moving grids get deformed after load-balancing. I > should mention that this only happens when I move the grid using > GridTools::rotate or GridTools::shift, and only for curved geometries. For > instance, it doesn't happen in a box, but I've observed this problem in > cylinders. Furthermore, only the cells which are exchanged between the > processors during load-balancing get deformed. I've attached an image of > this problem. It shows a rotating cylinder. On the left, it shows the > triangulation output before load-balancing. On the right, you can see the > triangulation after load-balancing and how the exchanged cells are deformed > (inside the red circle). > > I would appreciate it if you give me any suggestions about the reason for > this problem. Thank you in advance. > > Best regards, > Shahab > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/84580b52-95ec-4f3a-8e6f-bda6fa2d0f86n%40googlegroups.com.
