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      <title>Check Criteria - Tiny Surface (M1)</title>
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      <div class="title_topic4" id="xps10_pagetitle">Check Criteria - Tiny Surface (M1)</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_surf.html');return(false);">Faces (Surfaces)</a></p>
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               <p class="para_td">&nbsp;Tiny Surface (M1)</p>
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               <p class="para_td">Input</p>
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               <p class="para_td">Faces of solid bodies and sheet bodies</p>
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               <p class="para_td">Parameter</p>
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               <p class="para_td">Lower limit constraint value of Tiny distance</p>
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               <p class="para_td">What is analyzed ?</p>
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               <p class="para_td">Check if the underlying surface of a face has a tiny extent. Compute the arc lengths of the four natural boundary curves.</p>
               <p class="para_td">The criterion (M1sf) is violated if either all arc lengths or the two arc lengths of opposing&nbsp; natural boundary curves (either constant u- or v- surface parameter) are less than the Tiny distance constraint value. </p>
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               <p class="para_td"> <img align="bottom" src="graphics/v2sum1.gif" border="0"> [IMG_4955]
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               <p class="para_th">Example of a Tiny Surface </p>
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                     <td valign="top" align="left"><img align="left" src="../graphics/note.gif" alt="Note" title="Note"></td>
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                           <p class="para_note_body"> Underlying surfaces of type plane or cone cannot become tiny because they are infinite in two (resp. one) directions by definition (see Parasolid). Thus these types will be excluded from check. Underlying surfaces of type sphere would always be tiny, because they have two opposing degenerated boundary curves (at the poles) by definition (see Parasolid). Thus they will be excluded from check too.</p>
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               <p class="para_td">Results Log&nbsp; Output</p>
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                        <p class="para_td">M1sf</p>
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                        <p class="para_td">object_id</p>
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                        <p class="para_td">face</p>
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                        <p class="para_td">value</p>
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                        <p class="para_td">maximum arclength of violation natural boundary curves</p>
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                        <p class="para_td">value2</p>
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                        <p class="para_td">minimum arclength of violation natural boundary curves</p>
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                        <p class="para_td">point</p>
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                        <p class="para_td">start point of natural boundary curve with maximum arclength violation</p>
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                        <p class="para_td">point2</p>
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                        <p class="para_td">start point of natural boundary curve with minimum arclength violation</p>
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