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      <title>DVSET</title>
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      <div class="title_refTopic" id="xps10_pagetitle">DVSET </div>
      <hr noshade="true">
      <h4 class="refClassification">Design Variable Set Property </h4>
      <p class="para_refTopic">Defines a set of element properties that vary in a fixed relation to a design variable for design sensitivity analysis (original DSA). </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="11.16*">
               <col span="1" width="9.96*">
               <col span="1" width="10.56*">
               <col span="1" width="9.96*">
               <col span="1" width="9.96*">
               <col span="1" width="11.16*">
               <col span="1" width="9.96*">
               <col span="1" width="9.96*">
               <col span="1" width="8.76*">
               <col span="1" width="8.56*">
            </colgroup>
            <thead>
               <tr>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">1 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">2 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">3 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">4 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">5 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">6 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">7 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">8 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">9 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">10 </p>
                  </th>
               </tr>
            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">VID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">TYPE </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">FIELD </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PREF </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ALPHA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PIDl </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">-etc.- </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Example: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="10.50*">
               <col span="1" width="9.90*">
               <col span="1" width="11.49*">
               <col span="1" width="9.90*">
               <col span="1" width="9.90*">
               <col span="1" width="9.90*">
               <col span="1" width="9.90*">
               <col span="1" width="9.90*">
               <col span="1" width="9.11*">
               <col span="1" width="9.50*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">21 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PSHELL </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">.20 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">1. </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">99 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">101 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">110 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">111 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">122 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Alternate Format and Example: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="9.82*">
               <col span="1" width="9.82*">
               <col span="1" width="11.79*">
               <col span="1" width="9.82*">
               <col span="1" width="9.82*">
               <col span="1" width="9.82*">
               <col span="1" width="9.82*">
               <col span="1" width="11.01*">
               <col span="1" width="9.82*">
               <col span="1" width="8.44*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">VID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">TYPE </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">FIELD </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PREF </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ALPHA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&ldquo;THRU&rdquo; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID2 </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">21 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PSHELL </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">.20 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">1. </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">101 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">THRU </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">105 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br><table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="9.78*">
               <col span="1" width="9.78*">
               <col span="1" width="10.96*">
               <col span="1" width="9.78*">
               <col span="1" width="10.77*">
               <col span="1" width="9.59*">
               <col span="1" width="9.78*">
               <col span="1" width="11.36*">
               <col span="1" width="9.78*">
               <col span="1" width="8.41*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">VID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">TYPE </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">FIELD </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">MIDV </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PIDl </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID3 </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">DVSET </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">21 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PSHELL </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">134 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">87 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">101 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Fields:</div>
      <div class="refCategoryContent">
         <table cellpadding="9" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="16*">
               <col span="1" width="84*">
            </colgroup>
            <thead>
               <tr>
                  <th align="left" colspan="1" rowspan="1">
                     <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>
                  </th>
               </tr>
            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">VID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Identification number.  (Integer&gt;0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">TYPE </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Type of element property entry, e.g., &ldquo;PSHELL&rdquo;.  See Remark <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_45.html#ref89272');return(false);">53-8. </a> (Character) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PIDi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Property entry identification number.  (Integer&gt;0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">FIELD </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Word number on the element property entry to be varied.  The field number for the n-th continuation property entries is 10 · <em>n</em>+ FL, where FL is the field number of the continuation entry.  See Remark <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_45.html#ref72022');return(false);">53-7.</a> (Integer&gt;2) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PREF </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Reference value for element property.  See Remark <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_45.html#ref87329');return(false);">53-3. </a> (Real &ne; 0.0 or blank) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">MIDV </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Material identification of the material property after a design change of DELTAB (See the <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_35.html');return(false);">&ldquo;DVAR&rdquo;</a> entry).  Note that FIELD must specify a material ID field on the property entry.  (Integer&gt;0) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ALPHA </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Exponent, alpha, of the actual element property versus the design variable.  (Real &ne; 0.0; Default = 1.0) </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">DVSET is used only in design sensitivity analysis (original DSA).  DVSET entries are selected by DVAR Bulk Data entries. </p>
            </li>
            <li>
               <p class="para_item">There is no restriction on the number of DVSET entries that may reference a given VID. </p>
            </li>
            <li><a name="ref87329"></a><p class="para_item">If PREF is blank, the corresponding value on the property entry will be used.  PREF must be specified when the basic property value is 0.0. </p>
            </li>
            <li>
               <p class="para_item">The form of PREF is </p>
               <p align="center"><img align="bottom" src="graphics/bulkde-equ33.gif"></p>
            </li>
            <li>
               <p class="para_item">The form of MIDV is </p>
               <p align="center"><img align="bottom" src="graphics/bulkde-equ34.gif"></p>
            </li>
            <li>
               <p class="para_item">MIDV material states correspond to a design variable at <em>B</em> = (1.0 + &Delta;<em>B</em>). 
               </p>
            </li>
            <li><a name="ref72022"></a><p class="para_item">For the CBEAM and CBEND elements, FIELD is a negative integer and corresponds to the word number in the EPT section of the EST table preceded by a minus sign. </p>
            </li>
            <li><a name="ref89272"></a><p class="para_item">Since the DVSET entry references only property entries (&ldquo;Pxxx&rdquo;), only elements with property entries may be used as design variables.  Elements such as CONRODs and CONM2s are therefore excluded.  However, these elements may be designated as design constraints if they have force or stress output. </p>
            </li>
         </ol>
      </div>
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