<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br class=""><blockquote type="cite" class="">On 24 Jul 2017, at 13:59, Javier Sánchez Buezas <<a href="mailto:javier.sanchez@sidisel.com" class="">javier.sanchez@sidisel.com</a>> wrote:<br class=""><br class="">Hello all.<br class=""><br class=""><br class=""><br class="">I'm trying to simulate the ElectroMagnetic behaviour of a Microstrip antenna on a PCB board. In order to make a simple start I tried to simulate a simple strip of cooper, and placing it inside an spherical box of air.<br class=""><br class="">The problem is that the mesh doesn't generates correctlly. If I try with the Delauny algorithm I get the "Self intersecting surface mesh" error. If I use the Frontal algorithm no 3d mesh is generated for the air.<br class=""><br class=""><br class=""><br class="">I created the model by defining the outter surface and a surface loop of all the outter surfaces of the board and then making a volume with thos 2 arguments ( Volume(n) = {Spherical surface, surface loop};)<br class=""><br class="">Attached is the .geo file.<br class=""><br class=""><br class=""><br class="">Any idea of how can I make this right?<br class=""><br class=""></blockquote><div class=""><br class=""></div><div class="">Your surface mesh is not conformal; there is a zero volume area between the top green and orange volumes.</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="04290D8E-098D-4ACE-A734-253E87D126B9" src="cid:D2332566-51E2-4A9E-8475-DC428FBEA379@home" class=""></div><div class=""><br class=""></div><br class=""><blockquote type="cite" class="">Greetings.<br class=""><br class="">Javier.<br class=""><br class=""><span id="cid:0C06C958-D44C-4F78-9CE2-D109C3B3C45A@home"><mStrip.geo></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="">Free software: http://gmsh.info | http://getdp.info | http://onelab.info<br class=""></div><br class=""></body></html>