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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> About Preprocessing FE Models for 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 = "Intro1"><p class = "header"><p class = "abstract">
  <span class = "shortdesc">
    Preprocessing of a finite element analysis might be performed
    in various preprocessing systems. To be able to use <span class = "ph">Tosca Structure</span>
    in a familiar environment, <span class = "ph">Tosca Structure</span>
    offers several preprocessing interfaces.
  </span>

  <p>
    The finite element model might be generated in every finite element
    preprocessor that can generate an input model for the supported finite
    element solvers. Simplifications for the formulation of the optimization
    task (such as groups, different properties, ...) might also be defined
    in many FE preprocessing systems that are not mentioned below (for example,
    Hypermesh). The optimization preprocessing of <span class = "ph">Tosca Structure</span>
    is mainly based on group information. Group definition can be made by graphical selection of nodes and elements
    or already in the FE-preprocessor. Using <span class = "ph">Tosca Structure.gui</span>,
    all necessary information such as design nodes or frozen elements should
    be defined as groups in the FE-preprocessor. These groups might be read
    by <span class = "ph">Tosca Structure.pre</span>
    and then be referenced in the further definitions of the parameter file.
  </p>
</p>

</p><hr class = "header"/></td></tr><tr><td class = "Intro2"><span class = "run-in">In this section:</span><br/><ul class = "ulthemes"><li><a title = "The analysis model for the optimization procedure might be generated in the standard way in Abaqus/CAE. All groups that are necessary for the optimization should be generated in Abaqus/CAE." href = "tso-c-usr-model-abqcaePreProc.htm">Abaqus/CAE</a></li><li><a title = "The analysis model for the optimization with SIMULIA Tosca Structure and ANSYS® can be generated in /PREP7 in the standard way." href = "tso-c-usr-model-ansysprepPreProc.htm">About Preprocessing with ANSYS®/Prep7</a></li></ul></td></tr></table></td></tr></table>



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