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<a name = "hj-top"> </a><table class = "table1" id = "table11"><tr><td><table class = "DocHeader"><tr><td class = "DocHeader1" colspan = "2"><h1>Optimization Parameters For Mode Tracking </h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3" colspan = "2"><table class = "DocThemeIntro" id = "table12"><tr><td class = "Intro1Only"><p class = "header"><p class = "abstract">
<span class = "shortdesc">This section describes how to control mode tracking in sensitivity-based bead
            optimizations.</span>

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<p>Mode tracking is controlled by two optimization parameters:</p>
<pre class = "codeblock">
<code class = "ph codeph">
MODETRACKING = &lt;on/off&gt;, &lt;node_group&gt;
MODENUMBERS  = &lt;number_modes&gt;
</code>
</pre>
<p>Mode tracking is activated by setting the optimization parameter <code class = "ph codeph">MODETRACKING =
            ON</code>. The second item on <code class = "ph codeph">MODETRACKING</code> can be used with a (small)
         node group that is used for the mode tracking, which can improve performance. </p>
<p>By default, the mode tracking of <span class = "ph">SIMULIA Tosca Structure</span>
   takes 5 modes into account, but this can be changed by the item <code class = "ph codeph">MODENUMBERS = &lt;number_modes&gt;</code>. </p>
<p><table class = "Remark" id = "table132"><tr><td class = "Remark"><span class = "run-in.important">Important:
				</span><span class = "notecontent">The value should not be set too high because of computational effort.</span></td></tr></table>
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