<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>Le 20 avr. 2011 à 16:27, GERALD sophie DSNA/CC a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite">
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Good afternoon,<br>
<br>
I work with the "gmsh-2.5.0-Linux" version of your software. <br>
<br>
I have written my file.geo in the aim to create a 2D
unstructured mesh around an airfoil (c.f. the attachment). I have 2
Plane Surfaces that touch. After loading the .geo and create my 2D-mesh
I would like to use the "Set Order" option in the "Mesh" menu.<br>
<b>1-</b> Is it possible to obtain a different order in each surface?
That is to say to have a 6-node (or 9) triangle in the first surface
(number 1000) and a 3-node (or 6) triangle in the second one (number
1001)?<br>
<br></div></blockquote><div><br></div><div>no, this is not something we have implemented. Yet, this is quite simple in principle to generate the highest </div><div>order in the geometry and to post-process the mesh and reduce locally the order of the mesh</div><br><blockquote type="cite"><div bgcolor="#ffffff" text="#000000">
<b>2-</b> How can I get the number of triangles resulting from the mesh
for each surface in the message control? Indeed I didn't succeed with
the Mesh.NbTriangles=1 at the end of my .geo.<br>
<br></div></blockquote><div><br></div><div>You can use a python script that would look like</div><div><br></div><div>g = GModel ()</div><div><br></div><div>g.load('yourmesh.msh')</div><div><br></div><div>face = g.getFaceByTag(1000)</div><div><br></div><div>print face.getNumMeshElements()</div><div><br></div><br><blockquote type="cite"><div bgcolor="#ffffff" text="#000000">
Many thank in advance for your answer.<br>
Best regards,<br>
<br>
<pre class="moz-signature" cols="72"></pre>
<pre class="moz-signature" cols="72">--
Sophie Gérald
PhD student
<a class="moz-txt-link-freetext" href="http://www.onera.fr/">http://www.onera.fr/</a>
Tél. +331 467 33919
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