Re: [deal.II] Unable to collect periodic faces

2021-04-21 Thread vachanpo...@gmail.com
Daniel, Thanks for your reply. I had previously used GridIn::read_msh() in 2d in which case the boundary ids were also correctly read. Isn't it unexpected behaviour then, if the data is not getting transferred in 3d? Manually setting the ids will work for now, but eventually I wish the

Re: [deal.II] Unable to collect periodic faces

2021-04-20 Thread Daniel Arndt
Vachan, Maybe the boundary information is not transferred to the deal.II Triangulation when calling GridIn::read_msh. I would recommend checking the triangulation after reading it in and modify the boundary indicators manually if necessary. Best, Daniel Am Di., 20. Apr. 2021 um 03:37 Uhr

[deal.II] Unable to collect periodic faces

2021-04-20 Thread vachanpo...@gmail.com
Dear all, I have a simple cube gmsh file (annexed) which I want to read, and assign a periodic BC to it. I export the mesh to 'msh2' format and then read it using GridIn. I then call collect_periodic_faces()