Hi Himal, please double check if you are loading the correct vtk file. Because that line is clearly present in the screenshot you posted.
In step-49 we are using the msh file format when working with Gmsh. Maybe you have more success with this format? Marc On Saturday, November 12, 2022 at 11:51:30 AM UTC-7 [email protected] wrote: > Thank you for your response. Actually I was trying to learn the code by > testing simple case(i.e a cuboid). Here is another problem: > I made a mesh surf.vtk in gmsh from a step file. When exporting from gmsh, > the vtk version in the file was 2.0. So, I changed it to 3.0 and still I > have got the following error: > [image: Screenshot from 2022-11-11 10-39-03.png] > The surf.vtk file contains following mesh: > [image: Screenshot from 2022-11-11 10-43-01.png] > Thanks! > Himal. > > On Thu, Nov 10, 2022 at 3:05 AM Marc Fehling <[email protected]> wrote: > >> Hi Himal, >> >> the vertices of your coarse mesh must be located on the geometry provided >> by the IGES file. >> >> It is hard to tell from that amount of information where exactly your >> error comes from. I advise you to draw a sketch of both your IGES cylinder >> and your coarse mesh. Usually you should find out this way what the error >> message is about. >> >> On a different note: Creating a cylinder out of a cuboid is general not a >> good idea, as your cells near the corner vertices get distorted. I would >> rather advise you to choose a coarse cylinder from our GridGenerator >> namespace >> <https://www.dealii.org/current/doxygen/deal.II/namespaceGridGenerator.html#a5cdda7b4a76d509af7d1a8dc1320ddb0> >> >> instead. >> >> Marc >> On Sunday, November 6, 2022 at 10:16:19 PM UTC-7 >> [email protected] wrote: >> >>> Hello, >>> I am trying to mesh an oxygen gas cylinder(which is part of our project >>> in our University) using step-54. For simplicity, I have generated a coarse >>> mesh(cuboid) using step-1 and prepared .IGS file of a cuboid of same >>> dimension. But , I have encountered following error while running it: >>> [image: Screenshot from 2022-11-07 10-47-49.png] >>> PS: After this error, I have done/tried following things: >>> 1. changed the scale among 1e-3, 1 and 1e+3 >>> 2. increased the tolerance up to 100. >>> ...but the error is still present. >>> Thanks, >>> Himal. >>> >> -- >> 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/ZHitiBZDLDw/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/dealii/2175b1ab-0392-489b-94f8-206d938648fen%40googlegroups.com >> >> <https://groups.google.com/d/msgid/dealii/2175b1ab-0392-489b-94f8-206d938648fen%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. 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/a668ec7f-898c-4ac1-a6ca-ebe2431aede3n%40googlegroups.com.
