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      <title>USET</title>
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      <div class="title_refTopic" id="xps10_pagetitle">USET </div>
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      <h4 class="refClassification">Degree-of-Freedom Set Definition </h4>
      <p class="para_refTopic">Defines a degree-of-freedom set. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
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                     <p class="para_th">1 </p>
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                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">2 </p>
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                     <p class="para_th">3 </p>
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                     <p class="para_th">4 </p>
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                     <p class="para_th">5 </p>
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                     <p class="para_th">6 </p>
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                     <p class="para_th">7 </p>
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                     <p class="para_th">8 </p>
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                     <p class="para_th">9 </p>
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                     <p class="para_th">10 </p>
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">USET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SNAME </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ID1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">C1 </p>
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                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ID2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">C2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ID3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">C3 </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
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                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Example: </div>
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">USET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">U4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">333 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">26 </p>
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                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">17 </p>
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                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0 </p>
                  </td>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Fields:</div>
      <div class="refCategoryContent">
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                     <p class="para_th"><b class="uiTerm">Field </b></p>
                  </th>
                  <th align="left" colspan="1" rowspan="1">
                     <p class="para_th"><b class="uiTerm">Contents </b></p>
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            </thead>
            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SNAME </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Set name.  (One to four characters, or the string &ldquo;ZERO&rdquo; followed by the set name.) </p>
                  </td>
               </tr>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">IDi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Grid or scalar point identification number.  (Integer &gt; 0) </p>
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                     <p class="para_td">Ci </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Component number.  (Integer zero or blank for scalar points, or any unique combinations of the Integers 1 through 6 for grid points with no embedded blanks.) </p>
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      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">SNAME may refer to any of the set names given in <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/10ref73695_1.html');return(false);">&ldquo;Degree-of-Freedom Sets&rdquo; </a> or their new names on the DEFUSET entry.  However, it is recommended that SNAME refer only to the set names U1 through U6 or their new names on the DEFUSET entry.  If set names a through v are used then the degrees-of-freedom may also have to be defined in the applicable super sets on other USETi entries. 
               </p>
            </li>
            <li>
               <p class="para_item">If SNAME=&ldquo;ZEROi&rdquo;, where i is a set name, then the degrees-of-freedom are omitted from set i. </p>
            </li>
            <li>
               <p class="para_item">A maximum of 18 degrees-of-freedom may be designated on a single entry. </p>
            </li>
            <li>
               <p class="para_item">If degrees-of-freedom defined by USET entries are found to be singular and AUTOSPC is requested for a degree-of-freedom that is also in a set that AUTOSPC may change, then the set defined by the USET entry will be removed by the AUTOSPC operation.  An avoidance is to use PARAM,AUTOSPC,NO. </p>
            </li>
            <li>
               <p class="para_item">The USET entry is processed by the GP4 module with its effect appearing in the USET table. User-written DMAPs must therefore include the GP1 and GP4 modules if USET entries are used. </p>
            </li>
            <li>
               <p class="para_item">If a USETi Bulk Data entry lists a standard NX Nastran set, such as S or M, the program may fail in the PARTN module with the message &ldquo;SYSTEM FATAL MESSAGE 3007, ILLEGAL INPUT TO SUBROUTINE&rdquo;.  This entry should only reference new sets defined on DEFUSET Bulk Data entries. </p>
            </li>
            <li>
               <p class="para_item">See the &lsquo;AUTOMPC&rsquo; parameter for information on applying the U5 set, and &lsquo;RESVEC&rsquo; for information on applying the U6 set. </p>
            </li>
         </ol>
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