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      <title>Check criteria - Self-Intersection Surface Check (G-SU-IS)</title>
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      <div class="title_topic4" id="xps10_pagetitle">Check criteria - Self-Intersection Surface Check (G-SU-IS)</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda_checker.html');return(false);">Check VDA-4955 Compliance Overview</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda_criteria.html');return(false);">Description of the Check Criteria</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda4955_check_crit_fac_topo.html');return(false);">Faces (Topology)</a></p>
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               <p class="para_td">Self-intersection Surface Check (G-SU-IS)</p>
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               <p class="para_td">Input</p>
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               <p class="para_td">Faces, solid bodies, and sheet bodies</p>
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               <p class="para_td">Parameters</p>
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                     <p class="para_item">A lower limit of the self intersection distance</p>
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                     <p class="para_item">Spike and cut option</p>
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                     <p class="para_item">Spike and cut angle</p>
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               <p class="para_td">What is analyzed?</p>
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               <p class="para_td">Validates whether or not the surface or patch intersects itself within the designated (system or otherwise) accuracy that is measured by the self intersection distance tolerance.</p>
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               <p class="para_td"> <img align="bottom" src="graphics/si_surface.gif" border="0"></p>
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               <p class="para_th">Example of a Self-Intersection Surface Check</p>
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               <p class="para_td">The red vertical line indicates the intersection.</p>
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               <p class="para_td">Results Log&nbsp; output</p>
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                        <p class="para_td">G-SU-IS</p>
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                        <p class="para_td">Object ID of the self-intersection surface</p>
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                        <p class="para_td">Self-intersection distance value</p>
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                        <p class="para_td">Point at the self-intersection location</p>
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