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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 the Design Area</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 = "shortdesc">During an optimization, only part of the model might be allowed to changed. This part is defined as the design area.
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<p>In shape optimization, the design area denotes the set of surface nodes that might be moved during the optimization, 
   in contrast to the frozen areas that remain unchanged.</p>
<p>The model for the shape optimization contains solid elements in the design area where the optimization system can move the
   respective surface nodes to get better structural performance.</p>
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<p>The following start model for shape optimization represents a design of inner rim holes.
   The component must be manufactured by stamping. </p>
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                      <p>Green: Design Area</p>
	                  <p>Red: Frozen Area and Smooth Area</p></td>
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