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<h1>Aspect Ratio</h1>\r
<ul type="disc" class="whs2">\r
\r
<li class=kadov-p><p>For a <span style="font-weight: bold;"><B>triangle</B></span> \r
- 2D element consisting of 3 nodes a the <span style="font-weight: bold;"><B>Aspect \r
- Ratio</B></span> is calculated as the ratio of the length, h2, of the edge \r
- of this triangle, to the height, h1. The ratio of h2 to h1 is then multiplied \r
- by 3<span \r
- style="vertical-align: Super; font-size: 10pt;"><font size=2 style="font-size:10pt;">(1/2)</font></span> /2, so that \r
- a \93perfect\94 element in the shape of an equilateral triangle will be equal \r
- to 1. This procedure is repeated for the remaining two edges of the triangle, \r
- and the largest value is retained as the <span style="font-weight: bold;"><B>Aspect \r
- Ratio</B></span> for the element.</p></li>\r
-</ul>\r
+ 2D element consisting of 3 nodes the <span style="font-weight: bold;"><B>Aspect \r
+ Ratio</B></span> is calculated by formula:\r
+<p> </p>\r
+\r
+<p><img src="../image21.gif" width="158px" height="110px" border="0" class="img_whs3"></p>\r
+\r
+<p><img src="../image23.gif" width="120px" height="48px" border="0" class="img_whs4"></p>\r
+\r
+<p>where :</p>\r
\r
<p> </p>\r
\r
-<p class="whs3"><img src="../image26.jpg" width="238px" height="205px" border="0" class="img_whs4"></p>\r
+<p><img src="../image27.gif" width="234px" height="96px" border="0" class="img_whs5"></p>\r
\r
<p> </p>\r
\r
-<p class="whs5"> </p>\r
+<p> </p>\r
+</li>\r
\r
-<ul type="disc" class="whs2">\r
- \r
<li class=kadov-p><p class="whs5">For a <span style="font-weight: bold;"><B>quadrangle</B></span> \r
2D element consisting of 4 nodes the \r
- <span style="font-weight: bold;"><B>Aspect Ratio </B></span>is the ratio of the \r
- element's longest side to its shortest side.</p></li>\r
-</ul>\r
+ <span style="font-weight: bold;"><B>Aspect Ratio </B></span>is the\r
+ quality of the worst triange which can be built taking three nodes of\r
+ the quadrangle. There are four triangles to consider:</p></li>\r
+\r
+<p><img src="../image138.gif" width="566px" border="0" class="img_whs6"></p>\r
\r
-<p class="whs3"><img src="../image22.gif" width="226px" height="70px" border="0" class="img_whs6"></p>\r
+</ul>\r
\r
-<p class="whs3"> </p>\r
\r
<p class=TODO>To apply the Aspect Ratio quality criterion to your mesh:</p>\r
\r
\r
<p class="whs7"> </p>\r
\r
-<p class="whs7">2. Choose <span style="font-weight: bold;"><B>Quality \r
- Controls > Aspect Ratio </B></span>or click <img src="../image37.gif" width="25px" height="24px" border="0" class="img_whs8"> button in the \r
- toolbar. Your mesh will be displayed in the viewer with its elements colored \r
- according to the applied mesh quality control criterion:</p>\r
+<p class="whs7">2. Choose <span style="font-weight: bold;"><B>Controls \r
+ > Aspect Ratio </B></span>or click <img src="../image37.gif" width="25px" height="24px" border="0" class="img_whs8"> button in the toolbar. \r
+ Your mesh will be displayed in the viewer with its elements colored according \r
+ to the applied mesh quality control criterion:</p>\r
+\r
+<p class="whs7"> </p>\r
+\r
+<p class="whs7"><img src="../image94.jpg" width="439px" height="313px" border="0" class="img_whs9"></p>\r
\r
<p class="whs7"> </p>\r
\r
-<p class="whs7"><img src="../image7.jpg" width="467px" height="327px" border="0" class="img_whs9"></p>\r
+<p class="whs5"><span style="font-weight: bold;"><B>See Also</B></span> \r
+ a sample TUI Script of an <a href="../quality_controls.htm#bookmark8">Aspect \r
+ Ratio quality control</a> operation. </p>\r
+\r
+<p> </p>\r
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