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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>Scaling of Displacements (SCALE)</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">This section describes the inversion of the optimization displacement vectors.</span>

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<p> By default, the positive normal vector of the elements
in the design domain is used as an optimization displacement direction.
This direction depends on the orientation of the finite elements in the
design domain.</p>
<p>To invert the displacement direction, a negative <code class = "ph codeph">SCALE</code> parameter
can be defined. Correspondingly, the absolute value of the optimization
displacement is then applied in the negative direction.</p>
<div class = "note"><span class = "run-in.note">Note:
			</span><span class = "notecontent"><p>The value of the scaling parameter is not needed by <span class = "ph">SIMULIA Tosca Structure</span>.
Only the sign is needed in order to determine direction.</p></span></div>

<pre class = "codeblock">
<code class = "ph codeph">
OPT_PARAM
 ...
 SCALE = -1
 ...
END_
</code></pre>
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