> On 24 Jun 2020, at 10:38, Mathias Scheunert > <mathias.scheun...@mailserver.tu-freiberg.de> wrote: > > Dear developers and users, > > > > *** The goal > > we want to do some finite element convergence studies on a given set of > models. > > These typically consist of large volumes containing small 'anomalies', i.e. > volumes. > > (Please note the attached MWE) > > *** The problem > > In order to ensure valid boundary conditions we need to enlarge the > surrounding volume, leading to huge contrasts between the sizes of the > involved volumes. > > Using Gmsh 'RefineMesh;' will throw the above mentioned error. > > -> Please try using line 6 instead of line 5 in the MWE. > > > > What does that error message mean and how could we deal with that?
OpenCASCADE does not seem to appreciate the large aspect ratio during interpolation. As a workaround, set Mesh.SecondOrderLinear = 1; which will create the refinement by linear interpolation. (Note that if you increase domain_r further to 100000000, OpenCASCADE simply seem to bail out...) Christophe > > > Best regards, > > Mathias > > > > ps: We are using Gmsh 4.5.6 > > -- > Dr. Mathias Scheunert > Institute of Geophysics and Geoinformatics, TU Bergakademie Freiberg > Gustav-Zeuner-Str. 12, D-09596 Freiberg > Tel.: +493731393630 > > <MWE_err-reparametrize.geo>_______________________________________________ > 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 _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh
