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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 Defining Restrictions with <span class = "ph">Tosca Structure.gui</span></h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3"><table class = "DocHeaderIntro" id = "table12"><tr><td class = "Intro1Only"><p class = "header"><p class = "abstract"><span class = "shortdesc">For the definition of restrictions in <span class = "ph">Tosca Structure.gui</span> consider the following remarks.</span>


</p>

</p></td></tr></table></td><td class = "DocHeader2"><table class = "DocTopicsSeeAlso" id = "table13"><tr><td class = "TopicsTitle">See Also</td></tr></table><table class = "DocTopicsInOtherGuides" id = "table14"><tr><td height = "8px"/></tr><tr><td class = "TopicsTitleNormal">In Other Guides</td></tr><tr><td><a title = "Defines restrictions of the design variables in topology optimization." href = "../TsoCmdMap/tso-r-cmd-dvconTopo.htm#tso-r-cmd-dvconTopo">DVCON_TOPO</a></td></tr></table></td></tr></table>





<div class = "body conbody"><p>The
<code class = "ph codeph">DVCON_TOPO</code>

<code class = "ph codeph">ID_NAME</code> must be referenced in the
	<code class = "ph codeph">OPTIMIZE</code>

command in order to activate the restriction.</p><pre class = "codeblock">
<code class = "ph codeph">OPTIMIZE
</code><code class = "ph codeph"> ...

 DVCON =<span class = "ph"> name_of_dvcon_entry

</span> ...
</code><code class = "ph codeph">END_
</code>
</pre><div class = "note"><span class = "run-in.note">Note:
			</span><span class = "notecontent"><p>The element group for a certain restriction should be a subset of
the design element group. If this is not the case, <span class = "ph">SIMULIA Tosca Structure</span>
will stop the optimization.</p></span></div>
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