
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br class=""><br class=""><blockquote type="cite" class="">On 23 Jun 2020, at 18:53, Bruno Agostini <<a href="mailto:bruno.agostini@gmail.com" class="">bruno.agostini@gmail.com</a>> wrote:<br class=""><br class="">Dear Gmsh community,<br class=""><br class="">I am trying to 3D mesh the here attached Schwarz-D surface, but the meshing fails complaining about boundaries not being recovered, which does not help me to solve this problem. I think there are no overlapping facets, and the geometry is not particularly complicated, so I am stuck here. Any ideas?<br class=""></blockquote><div class=""><br class=""></div><div class="">1) the STEP file already contains a volume, so </div><div class=""><br class=""></div><div class="">Surface Loop(1) = Surface{:};<br class="">Volume(1) = {1};<br class=""><br class=""></div><div class="">in your .geo file will lead to overlapping volumes</div><div class=""><br class=""></div><div class="">2) The volume in the STEP file is made of surfaces that do intersect: see attached picture</div><div class=""><br class=""></div><div class="">So there's no hope in trying to mesh the volume as-is...</div><div class=""><br class=""></div><div class="">Christophe</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="F734DCDE-3A00-4ADC-8589-7B386EC827FE" src="cid:70BE31E4-1573-4A3B-8BA4-FB6C725A4999@home" class=""></div><br class=""><blockquote type="cite" class=""><br class="">Best regards<br class=""><br class="">Bruno<br class=""><span id="cid:f_kbs63od61"><mesh_boundary.geo.opt></span><span id="cid:f_kbs63ode2"><mesh_boundary.geo></span><span id="cid:f_kbs63oby0"><7_x_fin_T.msh></span><span id="cid:f_kbs63odk3"><7_x_fin_T.zip></span>_______________________________________________<br class="">gmsh mailing list<br class=""><a href="mailto:gmsh@onelab.info" class="">gmsh@onelab.info</a><br class="">http://onelab.info/mailman/listinfo/gmsh<br class=""></blockquote><br class=""><div class="">— <br class="">Prof. Christophe Geuzaine<br class="">University of Liege, Electrical Engineering and Computer Science <br class=""><a href="http://www.montefiore.ulg.ac.be/~geuzaine" class="">http://www.montefiore.ulg.ac.be/~geuzaine</a><br class=""><br class=""><br class=""></div><br class=""></body></html>