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    A work around could be using a transfinite mesh. Try adding the
    following lines to your file:<br>
    <br>
    Transfinite Line{r1,r2} = 2/c ;<br>
    Transfinite Line{r3,r4} = 5/c ;<br>
    Transfinite Surface(s);<br>
    <br>
    Regards,<br>
    Ruth<br>
    <br>
    On 15/09/10 14:25, Regis Duvigneau wrote:
    <blockquote
      cite="mid:52376C67-B12D-4259-80C6-FC3C09DCF911@sophia.inria.fr"
      type="cite">
      <div>Hi,</div>
      <div><br>
      </div>
      <div>When a ruled surface is generated with a BSpline as boundary,
        some triangles at other boundaries are strongly stretched,
        whatever the algorithm used, yielding a computational grid of
        very poor quality. (see attached geo file and figure).</div>
      <div><br>
      </div>
      <div>Does anyone has a solution to correct this ?</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>Thanks in advance.</div>
      <div><br>
      </div>
      <div>Régis Duvigneau</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <br>
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                          <div>-----------------------------------------------------------------</div>
                          <div>Regis Duvigneau                          
                                   </div>
                          <div>Permanent Research Associate       </div>
                          <div>INRIA Sophia Antipolis - OPALE
                            Project-Team</div>
                          <div>-----------------------------------------------------------------</div>
                          <div>2004 route des lucioles, 06902
                            Sophia-Antipolis</div>
                          <div>tel: (33)4 92 38 71 77</div>
                          <div>fax:(33)4 92 38 79 80</div>
                          <div>-----------------------------------------------------------------</div>
                          <div><a moz-do-not-send="true"
                              href="http://www-sop.inria.fr/members/Regis.Duvigneau">http://www-sop.inria.fr/members/Regis.Duvigneau</a></div>
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    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Dr. Ir. Ruth V. Sabariego
University of Liege, Dept. of Electrical Engineering & Computer Science, 
Applied & Computational Electromagnetics (ACE),
phone: +32-4-3663737 - fax: +32-4-3662910 - <a class="moz-txt-link-freetext" href="http://ace.montefiore.ulg.ac.be/">http://ace.montefiore.ulg.ac.be/</a>
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