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----- Message d'origine ----- <br>
De : Carrico, Paul <br>
Date : 08/06/2011 14:23:
<blockquote
cite="mid:55A12CBC06A8C9459DCE0BBEF8122FDC0498B370@exchsrv.AUXITROL1"
type="cite">
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<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">Dear Samuel,</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">- The type of facets are either
triangles or quads (or both for a mesh using mixed
elements),</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">- the type of interpolation can
be either linear or quadratic where some nodes traduces the
curvature .... (for mechanical FEA) </span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">- coordinate system =>
cartesian one</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">- kind of shape : has a torus to
be treated different than a simple sphere ?</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011">I have some information's on
closed surfaces using triangles ... of course a solution is
to "split" all the elements into 3 nodes triangles ... but
is it the simpliest way ? the most robust one ?</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="314151512-08062011"></span></font></div>
</blockquote>
Since you want to work on volumes, you need tetrahedrons instead of
triangles,<br>
or hexahedrons instead of quads. AFAIK, there is no universal
strategy. <br>
It depends of the topology of the volume (concave/convex, simply or
doubly <br>
connexe..). It is not a simple problem.<br>
<br>
SG<br>
<br>
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