Can you provide the GMSH code and a small executable that tries to achieve what you are doing? I can take a look and figure out what is the issue :)
On Wednesday, June 12, 2024 at 3:08:19 a.m. UTC-4 yikangw...@gmail.com wrote: > Hollo, > I tried your suggestion but dealii still reports an error. I don't think > it has anything to do with the grid type, it also errors when I only use > Gridin. > > Wang > > On Friday, June 7, 2024 at 11:32:16 PM UTC+8 blais...@gmail.com wrote: > >> Loading a tet mesh works if you set-up your Mapping/FE accordingly, this >> is a feature we use extensively. >> >> >> On Wednesday, June 5, 2024 at 1:28:20 p.m. UTC+1 bruno.t...@gmail.com >> wrote: >> >>> Wang, >>> >>> Are you loading a hex mesh or a tet mesh? I don't know if loading a tet >>> mesh works. >>> >>> Best, >>> >>> Bruno >>> >>> Le mar. 4 juin 2024 à 21:12, 王艺康 <yikangw...@gmail.com> a écrit : >>> >>>> Bruno, >>>> In fact that's what I did. The error is the same for regenerated meshes >>>> entered into dealii. I redrew a simple geometry again without defining any >>>> physical information still the same error. I don't understand why this is >>>> wrong, if I generate only the fluid-solid coupling interface to the >>>> external contour (solid domain) mesh there is no problem, but the same >>>> error occurs when I generate only the internal (fluid domain). >>>> >>>> Wang >>>> >>>> >>>> [image: 捕获1.PNG][image: 捕获2.PNG] >>>> [image: 捕获3.PNG] >>>> [image: 捕获4.PNG] >>>> >>>> >>>> On Tuesday, June 4, 2024 at 10:28:21 PM UTC+8 bruno.t...@gmail.com >>>> wrote: >>>> >>>>> Wang, >>>>> >>>>> Do you have a geo file that describes the geometry? Can you remove the >>>>> "Physical Surface" lines in the geo file and regenerate the mesh. >>>>> >>>>> Best, >>>>> >>>>> Bruno >>>>> >>>>> Le mar. 4 juin 2024 à 10:13, 王艺康 <yikangw...@gmail.com> a écrit : >>>>> >>>>>> 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 a topic in >>>>>> the Google Groups "deal.II User Group" group. >>>>>> To unsubscribe from this topic, visit >>>>>> https://groups.google.com/d/topic/dealii/WD4qeXgUf0E/unsubscribe. >>>>>> To unsubscribe from this group and all its topics, send an email to >>>>>> dealii+un...@googlegroups.com. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/dealii/6658e3cb-5f21-46a4-ab4f-08bbed3fa975n%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/dealii/6658e3cb-5f21-46a4-ab4f-08bbed3fa975n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> 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 a topic in the >>>> Google Groups "deal.II User Group" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/dealii/WD4qeXgUf0E/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> dealii+un...@googlegroups.com. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/dealii/12ce6fac-41c7-430e-935b-6a2326083850n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/dealii/12ce6fac-41c7-430e-935b-6a2326083850n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- 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. 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