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92 <h1>Aspect Ratio</h1>
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94 <p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> The <span style="font-weight: bold;"><B>Aspect Ratio</B></span>
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95 quality criterion for mesh elements is defined as follows:</p>
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99 <ul type="disc" class="whs2">
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101 <li class=kadov-p><p>For a <span style="font-weight: bold;"><B>triangle</B></span>
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102 2D element consisting of 3 nodes the <span style="font-weight: bold;"><B>Aspect
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103 Ratio</B></span> is calculated by formula:
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106 <p><img src="../image21.gif" width="158px" height="110px" border="0" class="img_whs3"></p>
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108 <p><img src="../image23.gif" width="120px" height="48px" border="0" class="img_whs4"></p>
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114 <p><img src="../image27.gif" width="234px" height="96px" border="0" class="img_whs5"></p>
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121 <li class=kadov-p><p class="whs5">For a <span style="font-weight: bold;"><B>quadrangle</B></span>
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122 2D element consisting of 4 nodes the
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123 <span style="font-weight: bold;"><B>Aspect Ratio </B></span>is the
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124 quality of the worst triange which can be built taking three nodes of
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125 the quadrangle. There are four triangles to consider:</p></li>
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127 <p><img src="../image138.gif" width="566px" border="0" class="img_whs6"></p>
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132 <p class=TODO>To apply the Aspect Ratio quality criterion to your mesh:</p>
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134 <p class=TODO> </p>
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136 <p class="whs7">1. Display your mesh in the viewer.</p>
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138 <p class="whs7"> </p>
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140 <p class="whs7">2. Choose <span style="font-weight: bold;"><B>Controls
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141 > Aspect Ratio </B></span>or click <img src="../image37.gif" width="25px" height="24px" border="0" class="img_whs8"> button in the toolbar.
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142 Your mesh will be displayed in the viewer with its elements colored according
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143 to the applied mesh quality control criterion:</p>
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145 <p class="whs7"> </p>
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147 <p class="whs7"><img src="../image94.jpg" width="439px" height="313px" border="0" class="img_whs9"></p>
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149 <p class="whs7"> </p>
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151 <p class="whs5"><span style="font-weight: bold;"><B>See Also</B></span>
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152 a sample TUI Script of an <a href="../quality_controls.htm#bookmark8">Aspect
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153 Ratio quality control</a> operation. </p>
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