Yuesu, I had the same problem recently. Our gmsh reader assumes that the user has set boundary id and material id to the mesh. It looks like you don't have those and so the file is read incorrectly.
Best, Bruno On Tuesday, September 22, 2020 at 2:04:17 AM UTC-4 jinyu...@gmail.com wrote: > Dear all, > I have one problem when I try to input the .msh file with grid_in > function. The error message is : > > ***************************************************************** > > Exception on processing: > > -------------------------------------------------------- > An error occurred in line <3139> of file > </project/cacds/build/dealii-9.2.0/source/grid/tria.cc> in function > static void > dealii::internal::TriangulationImplementation::Implementation::create_triangulation(const > > std::vector<dealii::Point<dim> >&, const std::vector<dealii::CellData<3>, > std::allocator<dealii::CellData<3> > >&, const dealii::SubCellData&, > dealii::Triangulation<3, spacedim>&) [with int spacedim = 3] > The violated condition was: > false > Additional information: > * While trying to assign a boundary indicator to a line: the line with > end vertices -1 and 0 does not exist.* > -------------------------------------------------------- > > I attached the gmsh .geo file in this email. There is no vertex -1 > actually. Could you tell me what's wrong with my mesh generation? > > Thank you very much! > Best regards, > > -- > Yuesu Jin, > Ph.D student, > University of Houston, > College of Natural Sciences and Mathematics, > Department of Earth and Atmospheric Sciences, > Houston, Texas 77204-5008 > 346-404-2062 <(346)%20404-2062> > > -- 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/5bf5008c-865d-47df-a49f-e4408028ef1dn%40googlegroups.com.
