<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 7 Oct 2020, at 21:58, Lisa Pankewitz <<a href="mailto:lisa@simula.no" class="">lisa@simula.no</a>> wrote:<br class=""><br class="">To whom it may concern,<br class=""><br class="">first of all - thanks for providing this incredible software and report! It is really appreciated.<br class=""><br class="">I am using a geometry I used for several samples, but for this one I cannot figure out why the surface is not remeshing in the same way the volume is.<br class="">I attached a minimal example of the .geo and one .vtk. I am working with gmsh 4.6.1.<br class=""><br class="">I would really appreciate it if you have a hint of what I am missing.<br class=""></blockquote><div class=""><br class=""></div><div class="">The surface is just not remeshed at all (cf. the error message "Error : Invalid exterior boundary mesh for parametrization") - hence Gmsh tries to produce a (refined) volume mesh that conforms to the (coarse) surface mesh.</div><div class=""><br class=""></div><div class="">The issue with the input surface mesh seems to be related to the orientation of input triangles (which are sometimes flipped). See the attached picture.</div><div class=""><br class=""></div><div class="">Christophe</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="35C086D3-090F-47A4-B912-5DC78CDC9BBF" src="cid:E5EAF0D4-4D32-499F-8F49-BAF828DDC44B@home" class=""></div><br class=""><blockquote type="cite" class="">Thank you for your time and have a fantastic day!<br class=""><br class="">Kind regards,<br class=""><br class="">Lisa <br class=""><br class="">----------------------------------------------------------------------------------------------------------------------<br class="">Lisa Pankewitz<br class="">PhD student<br class="">Simula Research Laboratory<br class="">Martin Linges vei 25<br class="">1364 Fornebu<br class="">Office 329<br class=""><a href="mailto:lisa@simula.no" class="">lisa@simula.no</a><br class=""><br class=""><span id="cid:f_kfztegva1"><new_attempt.vtk></span><span id="cid:f_kfztegv10"><example.geo></span>_______________________________________________<br class="">gmsh mailing list<br class="">gmsh@onelab.info<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>