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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>Example: Defining Internal Forces</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">
The task for this example is to define the sum of internal
forces in the y-direction (<span class = "ph uicontrol">INTERNAL_FORCE_Y</span>) of the
global coordinate system (<span class = "ph uicontrol">CS_0</span>) of node group <span class = "ph uicontrol">ND_INTERNAL_GROUP_LEFT</span>
connected to the element group <span class = "ph uicontrol">EL_INTERNAL_GROUP_LEFT</span>.
</span>

</p>
<p>This task shows you how to:
					</p><ul><li><a href = "#tso-t-usr-terms-intForceExpl-gui" id = "toc_rg" title = "">
Define Internal Forces in <span class = "ph">Tosca Structure.gui</span>
</a></li><li><a href = "#tso-t-usr-terms-intForceExpl-parFile" id = "toc_rg" title = "">
<span class = "ph">SIMULIA Tosca Structure</span>
Parameter File
</a></li></ul>
</p></td></tr></table></td></tr></table>




<article class = "topic task nested1" aria-labelledby = "ariaid-title2" id = "tso-t-usr-terms-intForceExpl-gui">
<h2 class = "title topictitle2">
Define Internal Forces in <span class = "ph">Tosca Structure.gui</span>
</h2>

<div class = "body taskbody">
<section><ol class = "ol steps"><li class = "li step stepexpand">

Choose <span class = "ph menucascade"><span class = "ph uicontrol">Command</span><abbr title = "and then"> &gt; </abbr><span class = "ph uicontrol">DRESP</span></span>.

<div class = "itemgroup stepresult">The DRESP menu appears.</div>
</li><li class = "li step stepexpand">

Define the internal forces as design
response as shown in the following figure:<br/><img class = "image" src = "../TsoUserImages/terms_if_gui.png" width = "450"/><br/>

</li></ol></section>
</div>

</article>

<article class = "topic task nested1" aria-labelledby = "ariaid-title3" id = "tso-t-usr-terms-intForceExpl-parFile">
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<span class = "ph">SIMULIA Tosca Structure</span>
Parameter File
</h2>

<div class = "body taskbody">
<section><div class = "li step p">

The resulting command in the parameter file look like
follows:

<p>
<pre class = "codeblock">
<code class = "ph codeph">
DRESP
 ID_NAME        = internal_force_response
 DEF_TYPE       = SYSTEM
 TYPE           = INTERNAL_FORCE_Y
 EL_GROUP       = <var class = "keyword varname varname">EL_INTERNAL_GROUP</var>
 ND_GROUP       = <var class = "keyword varname varname">ND_INTERNAL_GROUP</var>
 LC_SET         = ALL,1,All
 GROUP_OPER     = Sum
 CS_REF         = CS_0
END_
</code>
</pre>
</p>
</div></section>
</div>

</article>
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