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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>Arbitrary Analysis Sequence</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">Multiple analyses might be made using the <code class = "ph codeph">FEM_INPUT</code> command in <span class = "ph">Tosca Structure</span> parameter file. The results of all finite element calculations are summarized in
         one <span class = "ph">Tosca Structure</span> results file with each finite element calculation being interpreted as
         a single <span class = "ph">load case</span>.</span>

</p>

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<p><code class = "ph codeph">In FEM_INPUT</code> command, multiple finite element input files might be specified
using the parameter <code class = "ph codeph">FILE</code>.
Example:</p>

<pre class = "codeblock"><code class = "ph codeph">
FEM_INPUT
 FILE = static_analysis.dat
 FILE = modal_analysis.dat
END_
</code></pre>

<p>Instead of performing only one finite element analysis, <span class = "ph">Tosca Structure</span> automatically
runs multiple finite element analyses in the order of <code class = "ph codeph">FILE = ...</code>
parameters in <code class = "ph codeph">FEM_INPUT</code>. In the example above, first the static analysis and
then the modal analysis are performed.</p>

<p>Note, that:</p>

<ul class = "ul">
   <li class = "li">The model information of the different input files (nodes, elements, groups)
must be identical. The loads might be different for the different input files. </li>
   <li class = "li">The modifications of the geometry that occur during the optimization are
applied to all input files at once. </li>
</ul>

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