Hello, Thank you very much for your reply. That's what I thought at first, but I was wrong, when I removed the corresponding physical group it was still the same error. I think gmsh automatically sets the coupling interface to solid when drawing the model body mesh, but I don't know how to change it. I didn't learn gmsh deep enough.
Wang On Tuesday, June 4, 2024 at 8:28:07 PM UTC+8 bruno.t...@gmail.com wrote: > Hello, > > Deal.II associates the physical group of a face with a boundary id. You > need to remove the physical group that are associated with interior faces. > > Best, > > Bruno > > On Tuesday, June 4, 2024 at 3:28:05 AM UTC-4 yikangw...@gmail.com wrote: > >> I drew the model in gmsh but importing to dealii is giving me an >> error.This step error occurs when importing a model. >> >> The violated condition was: >> boundary_id != numbers::internal_face_boundary_id >> Additional information: >> The input arguments for creating a triangulation specified a boundary >> id for an internal face. This is not allowed. >> >> >> >> Here only a part of the mesh is shown (the outer contour also generates >> the mesh),the error should occur at the interface of the two bodies, but I >> don't know how to fix it. This model will be used for fluid-solid coupling, >> where the interior is the fluid domain and the contours are the solid >> domain. >> [image: 捕获.PNG] >> >> >> >> -- 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/6658e3cb-5f21-46a4-ab4f-08bbed3fa975n%40googlegroups.com.
