<div dir="ltr"><div class="gmail_quote"><br><div lang="EN-US" vlink="#954F72" link="#0563C1" bgcolor="white"><div class="m_-2588380835439114066WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt">Dear Dr. </span><span style="font-size:11.0pt">Christophe Geuzaine and Dr. Jean-François Remacle:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I found a problem with Gmsh in which some tets are not included in the final .msh file.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I believe the problem is in the “writer procedure” that generates .msh and .vtk files.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The input .geo file is attached and was processed with Gmsh 3.0.5. Information for the<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Build is included in the attached picture. In Gmsh I pressed (</span><span style="font-size:11.0pt">3D, Set order 2, Optimize 3D, Save).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The problem that can be found in the output .msh file is the following:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Nodes 19092, 19733, 19378, 19951 are all located on the top surface, and form two triangles<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(19092, 19733, 19378) and (19378, 19951, 19092).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">These triangles are included as elements in the file. However, there are no tets in the file for<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">which either of these triangles is a face.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I really appreciate any thoughts you may have to help me with this issue.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thank you in advance<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Best regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Marcelo.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><img width="365" height="538" id="m_-2588380835439114066Picture_x005f_x0020_1" style="width:3.802in;height:5.6041in" alt="cid:image001.png@01D33158.49622C10" src="cid:image001.png@01D33159.4BC5C920"></span><span style="font-size:11.0pt"><u></u><u></u></span></p>
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