PAL10872. Update according to the Nadir Bouhamau specification

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eap 2005-12-12 15:29:54 +00:00
parent dc2a7e8b53
commit f978efce3f

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@ -99,36 +99,35 @@ else
<ul type="disc" class="whs2"> <ul type="disc" class="whs2">
<li class=kadov-p><p>For a <span style="font-weight: bold;"><B>triangle</B></span> <li class=kadov-p><p>For a <span style="font-weight: bold;"><B>triangle</B></span>
2D element consisting of 3 nodes a the <span style="font-weight: bold;"><B>Aspect 2D element consisting of 3 nodes the <span style="font-weight: bold;"><B>Aspect
Ratio</B></span> is calculated as the ratio of the length, h2, of the edge Ratio</B></span> is calculated by formula:
of this triangle, to the height, h1. The ratio of h2 to h1 is then multiplied <p>&nbsp;</p>
by &nbsp;3<span
style="vertical-align: Super; font-size: 10pt;"><font size=2 style="font-size:10pt;">(1/2)</font></span> /2, so that <p><img src="../image21.gif" width="158px" height="110px" border="0" class="img_whs3"></p>
a “perfect” element in the shape of an equilateral triangle will be equal
to 1. This procedure is repeated for the remaining two edges of the triangle, <p><img src="../image23.gif" width="120px" height="48px" border="0" class="img_whs4"></p>
and the largest value is retained as the <span style="font-weight: bold;"><B>Aspect
Ratio</B></span> for the element.</p></li> <p>where :</p>
</ul>
<p>&nbsp;</p> <p>&nbsp;</p>
<p class="whs3"><img src="../image26.jpg" width="238px" height="205px" border="0" class="img_whs4"></p> <p><img src="../image27.gif" width="234px" height="96px" border="0" class="img_whs5"></p>
<p>&nbsp;</p> <p>&nbsp;</p>
<p class="whs5">&nbsp;</p> <p>&nbsp;</p>
</li>
<ul type="disc" class="whs2">
<li class=kadov-p><p class="whs5">For a <span style="font-weight: bold;"><B>quadrangle</B></span> <li class=kadov-p><p class="whs5">For a <span style="font-weight: bold;"><B>quadrangle</B></span>
2D element consisting of 4 nodes &nbsp;the 2D element consisting of 4 nodes &nbsp;the
<span style="font-weight: bold;"><B>Aspect Ratio </B></span>is the ratio of the <span style="font-weight: bold;"><B>Aspect Ratio </B></span>is the
element's longest side to its shortest side.</p></li> quality of the worst triange which can be built taking three nodes of
the quadrangle. There are four triangles to consider:</p></li>
<p><img src="../image138.gif" width="566px" border="0" class="img_whs6"></p>
</ul> </ul>
<p class="whs3"><img src="../image22.gif" width="226px" height="70px" border="0" class="img_whs6"></p>
<p class="whs3">&nbsp;</p>
<p class=TODO>To apply the Aspect Ratio quality criterion to your mesh:</p> <p class=TODO>To apply the Aspect Ratio quality criterion to your mesh:</p>