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      <title>SECSET</title>
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      <div class="title_refTopic" id="xps10_pagetitle">SECSET </div>
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      <h4 class="refClassification">Free Boundary Degree-of-Freedom </h4>
      <p class="para_refTopic">Defines boundary degrees-of-freedom to be free (c-set) during component mode synthesis calculations. </p>
      <div class="title_refCategory">Format: </div>
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                     <p class="para_td">SECSET </p>
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                     <p class="para_td">SEID </p>
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                     <p class="para_td">ID1 </p>
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                     <p class="para_td">C1 </p>
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                     <p class="para_td">ID2 </p>
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                     <p class="para_td">C2 </p>
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                     <p class="para_td">ID3 </p>
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                     <p class="para_td">C3 </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Example: </div>
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                     <p class="para_td">SECSET </p>
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                     <p class="para_td">3 </p>
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                     <p class="para_td">124 </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Fields:</div>
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                     <p class="para_th"><b class="uiTerm">Contents </b></p>
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                     <p class="para_td">SEID </p>
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                     <p class="para_td">Superelement identification number.  (Integer &gt; 0) </p>
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                     <p class="para_td">Ci </p>
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                     <p class="para_td">Component numbers.  (Any unique combination of the Integers 1 through 6 with no embedded blanks for grid points; Integer 0 or blank for scalar points.) </p>
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                     <p class="para_td">Grid or scalar point identification number.  (Integer &gt; 0) </p>
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      <div class="title_refCategory">Remarks: </div>
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               <p class="para_item">Exterior grid and scalar points are, by default, fixed during component mode analysis and placed in the b-set unless listed on SECSETi or SESUP entries.  Coordinates listed on this entry are considered free (c-set) during component mode calculations.  Exterior grid and scalar points are determined by the program and listed in the SEMAP table output. </p>
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            <li>
               <p class="para_item">Degrees-of-freedom specified on this entry are assigned to the mutually exclusive c-set.  They may not be specified on other entries that define mutually exclusive sets.  See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/10ref73695_1.html');return(false);">&ldquo;Degree-of-Freedom Sets&rdquo; </a> for a list of these entries. 
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            <li>
               <p class="para_item">There must be a sufficient number of degrees-of-freedom specified on SESUP entries to discard any free body modes of the superelement. </p>
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               <p class="para_item">If PARAM,AUTOSPC is YES, then singular b-set and c-set degrees-of-freedom will be reassigned as follows: </p>
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                     <p class="para_item">If there are no o-set (omitted) degrees-of-freedom, then singular b-set and c-set degrees-of-freedom are reassigned to the s-set. </p>
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                  <li>
                     <p class="para_item">If there are o-set (omitted) degrees-of-freedom, then singular c-set degrees-of-freedom are reassigned to the b-set.  Singular b-set degrees-of-freedom are not reassigned. </p>
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