> On 8 Oct 2020, at 08:37, Pawel Kudela <p...@imp.gda.pl> wrote: > > Dear Gmsh community, > > Do you know how to force gmsh to produce only one layer of hexahedral > elements through the thickness of the thin-walled structure like in the > attached example? I want to have only one layer of linear elements which will > be than converted to higher order spectral element type. > > 3D meshing always produces two elements even though 1 layer is set in extrude > operation. >
You get 2 elements in the layer because of the Mesh.SubdivisionAlgorithm = 2; // 1: all quadrangles; 2: all hexas command, which subdivides the mesh (to get a full quad/hex mesh). There's active work on new quad meshing tools, so hopefully this limitation will disappear in the future. Christophe > Regards, > > Pawel > > -- > > Polish Academy of Sciences > Institute of Fluid-Flow Machinery > Centre for Mechanics of Machines > Mechanics of Intelligent Structures Department > Fiszera 14 St, 80-231 Gdansk > tel. +48 58 5225 251 > <plate_extruded_with_stringer.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
