> On 24 Mar 2016, at 19:06, Christophe Geuzaine <cgeuza...@ulg.ac.be> wrote: > >> >> On 24 Mar 2016, at 12:27, Bernd Hahnebach <g...@b75.ch> wrote: >> >> >> What is the recommended way to avoid such negative jacobians? Attached the >> geometry of the mesh above. >>
And to avoid such negative jacobians, you can use the "High order tools" (in the Mesh menu). This is still experimental, but works quite well. The algorithms are described (in part) in T. Toulorge, C. Geuzaine, J.-F. Remacle, J. Lambrechts. Robust untangling of curvilinear meshes. Journal of Computational Physics 254, pp. 8-26, 2013. http://gmsh.info/doc/preprints/gmsh_untangling_preprint.pdf Christophe -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Tetrahedron V, July 4-5 2016: http://tetrahedron.montefiore.ulg.ac.be Free software: http://gmsh.info | http://getdp.info | http://onelab.info _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh
