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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 Modules</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">
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The optimization loop runs in batch mode. After preprocessing, the solver, the <code class = "ph codeph">RES_2_VTM</code> module, the optimization module (<code class = "ph codeph">TOSCA_OPT</code>), and
<code class = "ph codeph">FEM_MODIF</code> module are started successively.</span>

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<p>This page discusses: </p><ul><li><a href = "#tso-c-usr-control-optModule__tso-c-user-control-OptModule-FEM_MODIF" id = "toc_rg" title = "">FEM_MODIF</a></li><li><a href = "#tso-c-usr-control-optModule__tso-c-user-control-OptModule-RES_2_VTM" id = "toc_rg" title = "">RES_2_VTM </a></li><li><a href = "#tso-c-usr-control-optModule__tso-c-user-control-OptModule-TOSCA_OPT" id = "toc_rg" title = "">TOSCA_OPT</a></li></ul>
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<div class = "section" id = "tso-c-usr-control-optModule__tso-c-user-control-OptModule-FEM_MODIF"><h2 class = "title sectiontitle">FEM_MODIF</h2>

<p>The <code class = "ph codeph">FEM_MODIF</code> module generates the modified analysis model by combining the
                initial model with the instructions from <code class = "ph codeph">TOSCA_OPT</code>. The
                optimization database is updated in each iteration.</p>
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<div class = "section" id = "tso-c-usr-control-optModule__tso-c-user-control-OptModule-RES_2_VTM"><p><map name = "FPMap1"><area href = "#hj-top" title = "Back to Top" shape = "rect" coords = "416, 0, 435, 10"/></map><span class = "itemsprite"/></p><h2 class = "title sectiontitle">RES_2_VTM </h2>

<p>The <code class = "ph codeph">RES_2_VTM</code> module loads the results generated by the solver into the
                    <code class = "ph codeph">VTM</code> (Virtual <span class = "ph">SIMULIA Tosca Structure</span> Memory) database file.</p>
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<div class = "section" id = "tso-c-usr-control-optModule__tso-c-user-control-OptModule-TOSCA_OPT"><p><map name = "FPMap1"><area href = "#hj-top" title = "Back to Top" shape = "rect" coords = "416, 0, 435, 10"/></map><span class = "itemsprite"/></p><h2 class = "title sectiontitle">TOSCA_OPT</h2>

<p>The optimization module requires not only the result file from the previous
calculation in <code class = "ph codeph">ONF</code> format, but also the loads as well as the necessary model
and control information found in the optimization database. The optimization
module is responsible for specifying the model modifications in <code class = "ph codeph">ONF</code> format.
The optimization loop is completed when the optimization target is achieved
or when a stop condition (for example, the maximum number of iterations) is fulfilled.</p>
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