> On 25 Jul 2019, at 13:45, Ana Gomes <[email protected]> wrote: > > Dear Prof. Geuzaine, > > > I would like to kind ask for support in solving an issue with gmsh. > > I am meshing the flowfield for a vehicle, to be used in a viscous simulation. > I have build, manually, a hybrid mesh, therefore having a structured part > surrounding the vehicle and unstructured for near-field and far-field. Please > see the attachments (images and .geo file) > > I have number of points prescribed along all the lines. As you can see in the > pictures, particularly volume.png and volume2.png, the use of Delaunay > algorithm is giving poor results in the volume. When you look at it from > -y-axis perspective (volume2.png), it looks good, and this would be my aim > for the entire volume. > > However, on the inside (volume.png), the elements go very coarse in between > regions where the elements are small (the lines where I prescribe the number > of points). > > I do not understand why the algorithm is coarsening the mesh in that interior > region and would like your advice on how to solve this and have the volume > consistent with what we see in volume2.png. >
Which version of Gmsh are you using? Since you rely directly on the OpenCASCADE entities numbering (which will change across versions) I cannot test your file with the current Gmsh release. Christophe > > Looking forward to a kind response. > Many thanks for your help and support > > Best regards > Ana > <vehicle.png><volume.png><volume2.png><vehicle2.png><ref-laminar.geo>_______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
