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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> Start Optimization</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"><span class = "ph">Tosca Structure</span>
first starts a preprocessing step to check the definitions and write
the complete optimization model to the database. Then the optimization
loop runs until the stop criteria defined by the user is reached.</span>

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<p>Optimization with <span class = "ph">Tosca Structure.bead</span>, 
<span class = "ph">Tosca Structure.shape</span>, 
  <span class = "ph">Tosca Structure.topology</span> or <span class = "ph">Tosca Structure.sizing</span> can be started on the "Start <span class = "ph">Tosca Structure</span>" screen in <span class = "ph">Tosca Structure.gui</span>. The job name of the optimization job (chosen by a parameter file), the start
            directory, and, if necessary, the name of the FE solver is defined here. Further
            (optional) settings can be made using the menu "Additional Parameters." </p>
<p>A protocol window, convergence plots, and a small queuing system are available to support the
            user. For more details about the optimization start, refer to <a class = "xref" href = "tso-c-usr-control-commandLine.htm#tso-c-usr-control-commandLine" title = "The program call in the command line and the corresponding options are described within this section.">Starting Tosca Structure from Command Line</a>. The following
            figure shows the Start <span class = "ph">Tosca Structure</span> module with the selectable solvers.</p>
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