> On 4 Nov 2018, at 15:03, Christophe Geuzaine <cgeuza...@uliege.be> wrote: > > > >> On 30 Oct 2018, at 23:19, Jensen, Aaron J. <aaron.j.jen...@leidos.com> wrote: >> >> Hello, >> >> I am working on a fairly complicated 3D model and mesh using gmsh that >> requires OpenCascade (for Boolean operations mostly). I have been running >> into some odd issues near some of the edges which I originally thought might >> be overcome by modifying my Boolean operations. However, after quite a bit >> of testing I found the problem occurs for even a simple script: >> >> SetFactory("OpenCASCADE"); >> Mesh.CharacteristicLengthMax = 1.0; >> Cylinder(1) = {0, 0, 70.0, 0, 0, 60.0, 50.0}; >> >> I set all of the gmsh options to their defaults except for viewing element >> faces and you can see the resulting image attached. I finally discovered >> that this does not occur in version 3.0.6 of gmsh but it does occur in >> version 4.0.4. Have you seen this behavior? I presume this is a bug or >> there is a flag of some kind that I need to set? > > > Thanks for the report - this is indeed a bug.
This is now fixed in Git. Cheers, Christophe > As a workaround force e.g. the frontal algorithm: > > SetFactory("OpenCASCADE"); > Mesh.CharacteristicLengthMax = 1; > Cylinder(1) = {0, 0, 70.0, 0, 0, 60.0, 50.0}; > Mesh.Algorithm = 6; > > Christophe > > >> >> Thanks, >> Aaron >> <gmshCylinder.png>_______________________________________________ >> gmsh mailing list >> gmsh@onelab.info >> http://onelab.info/mailman/listinfo/gmsh > > — > Prof. Christophe Geuzaine > University of Liege, Electrical Engineering and Computer Science > http://www.montefiore.ulg.ac.be/~geuzaine > > Free software: http://gmsh.info | http://getdp.info | http://onelab.info > — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh