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      <title>ROTORD</title>
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      <div class="title_refTopic" id="xps10_pagetitle">ROTORD </div>
      <hr noshade="true">
      <h4 class="refClassification">Defines rotor dynamics solution options (SOLs 110 and 111). </h4>
      <p class="para_refTopic">Defines rotor dynamics solution options for SOLs 110 and 111. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="1075*">
               <col span="1" width="980*">
               <col span="1" width="980*">
               <col span="1" width="1079*">
               <col span="1" width="1278*">
               <col span="1" width="980*">
               <col span="1" width="980*">
               <col span="1" width="1178*">
               <col span="1" width="881*">
               <col span="1" width="683*">
            </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">ROTORD </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSTART </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSTEP</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">NUMSTEP </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">REFSYS </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">CMOUT </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RUNIT</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">FUNIT</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+ </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">+ </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ZSTEIN </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ORBEPS </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ROTPRT</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SYNC</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">ETYPE</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">EORDER</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">+ </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RID1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSET1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSPEED1</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RCORD1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3_1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W4_1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RFORCE1 </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>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">+ </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RID2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSET2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSPEED2</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RCORD2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3_2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W4_2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RFORCE2 </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>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">.... </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"></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>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">+ </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RID10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSET10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RSPEED10</p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RCORD10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3_10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W4_10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">RFORCE10 </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="11.11*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
               <col span="1" width="9.88*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ROTORD </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">998 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">5000.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">58 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">fix </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">-1.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">cps </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">+r0 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">no </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"></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">+r1 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r1 </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">11 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r2 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">12 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r3 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r3 </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">13 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r4 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r4 </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">14 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r5 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">15 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r6 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">16 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r7 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r7 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">7 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">17 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r8 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r8 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">8 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">18 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r9 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r9 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">9 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">19 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </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">+r10 </p>
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">+r10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">10 </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"></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">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">0.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">10 </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"></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="18.36*">
               <col span="1" width="81.64*">
            </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">SID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Set identifier for all rotors. Must be selected in the case control deck by RMETHOD=SID. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RSTART </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Starting value of rotor speed. (Real &ge; 0.0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RSTEP</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Step-size of rotor speed. (Real &gt; 0.0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">NUMSTEP</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Number of steps for rotor speed including RSTART. (Integer &gt; 0)</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">REFSYS </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Reference system. (default=&lsquo;ROT&rsquo;)</p>
                     <p class="para_td">= &lsquo;FIX&rsquo; analysis is performed in the fixed reference system. </p>
                     <p class="para_td">= &lsquo;ROT&rsquo; analysis is performed in the rotational reference system. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CMOUT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Rotor speed for complex mode output request. (Integer &ge; 0) </p>
                     <p class="para_td">= -1.0 output complex modes and whirl direction for all RPM. </p>
                     <p class="para_td">= 0.0 no complex modes and no whirl direction are output. (default) </p>
                     <p class="para_td">&gt; 0.0 rotor speed value for which complex modes will be calculated and written to F06 or OP2. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RUNIT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Units used for rotor speed input (RSTART and RSTEP) and output (units for output list and Campbell&rsquo;s diagram output). </p>
                     <p class="para_td">= &lsquo;RPM&rsquo; revolutions per minute. (default) </p>
                     <p class="para_td">= &lsquo;CPS&rsquo; cycles per second. </p>
                     <p class="para_td">= &lsquo;HZ&rsquo; cycles per second. </p>
                     <p class="para_td">= &lsquo;RAD&rsquo; radians per second. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">FUNIT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Units used for frequency output (Campbell&rsquo;s diagram output).</p>
                     <p class="para_td">= &lsquo;RPM&rsquo; revolutions per minute. (default) </p>
                     <p class="para_td">= &lsquo;CPS&rsquo; cycles per second. </p>
                     <p class="para_td">= &lsquo;HZ&rsquo; cycles per second. </p>
                     <p class="para_td">= &lsquo;RAD&rsquo; radians per second. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ZSTEIN </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Option to incorporate Steiner&rsquo;s inertia terms. (default=NO) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ORBEPS </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Threshold value for detection of whirl direction. (default=1E-6) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ROTPRT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Controls .f06 output options. </p>
                     <p class="para_td">= 0 no print. (default) </p>
                     <p class="para_td">= 1 print generalized matrices. </p>
                     <p class="para_td">= 2 print eigenvalue summary and eigenvectors at each RPM. </p>
                     <p class="para_td">= 3 combination of 1 &amp; 2.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SYNC</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Specifies if a rotor dynamics response calculation (SOL 111) is synchronous or asynchronous. (Integer)</p>
                     <p class="para_td">=1 synchronous (default)</p>
                     <p class="para_td">=0 asynchronous</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ETYPE</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Excitation type.</p>
                     <p class="para_td">=1 Mass unbalanced (default). Specify mass unbalance = m x r on DLOAD bulk entry and the program will multiply by &Omega;<sup class="superscript">2</sup>.
                     </p>
                     <p class="para_td">=0 Force excitation. Specify force = m x r x &Omega;<sup class="superscript">2</sup> on DLOAD bulk entry.
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">EORDER</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Excitation order</p>
                     <p class="para_td">= 1.0 (default)</p>
                     <p class="para_td">= 0.0 Forward whirl (modes crossing with 0P line)</p>
                     <p class="para_td">= 2.0 Backward whirl (modes crossing with 2P line)</p>
                     <p class="para_td">This value is always 1.0 for fixed reference system.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RIDi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Rotor ID for output identification (default=i); must be unique with respect to all other RIDi values.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RSETi</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Refers to a RSETID value on a ROTORG bulk entry. Each ROTORG bulk entry specifies the grids for a single rotor. (Integer)</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RSPEEDi (place holder)</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Once supported, RSPEED will adjust the rotor speed for rotor i in a rotor dynamics response calculation. RSPEED is currently hard coded to equal 1.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RCORDi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Points to CORD** entry specifying rotation axis or rotor i as z. (default=0 for global z axis)</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">W3_i </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Reference frequency for structural damping defined by PARAM G for rotor i. (default=0.0)</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">W4_i </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Reference frequency for structural damping defined on material card for rotor i. (default=0.0)</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RFORCEi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Points to RFORCE bulk data entry for rotor i. (Default=0 for no rotational force applied; a rotational force is required for differential stiffness to be calculated.)</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">Any entries where defaults exist are optional. Thus, if the defaults are acceptable for a particular model, then a continuation card would not be needed. </p>
            </li>
            <li>
               <p class="para_item">There is a maximum limit of 10 rotors (i.e. 11 continuation cards). </p>
            </li>
            <li>
               <p class="para_item">The Steiner&rsquo;s term option (ZSTEIN) should only be used for analyzing the &ldquo;stiff&rdquo; part of the rotor. In the rotating system analysis, there is a stiffening effect of the centrifugal forces. The gyroscopic matrix is calculated in the fixed system. </p>
            </li>
            <li>
               <p class="para_item">The W3 parameter defines the reference frequency for the structural damping defined by PARAM G. </p>
            </li>
            <li>
               <p class="para_item">The W4 parameter defines the reference frequency for the structural damping defined on the material cards. </p>
            </li>
            <li>
               <p class="para_item">The static centrifugal force is calculated for unit speed measured in rad/sec. On the RFORCE card, the unit of Hz is used, thus the conversion 1/2(&pi;)=0.159155 must be used.</p>
            </li>
            <li>
               <p class="para_item">For calculating the modal frequency response using synchronous analysis, the rotation speeds are defined by the RSTART, RSTEP and NUMSTEP fields on the ROTORD bulk entry. The frequencies corresponding to these rotation speeds are computed and the dynamic loads are calculated accordingly.</p>
            </li>
            <li>
               <p class="para_item">For calculating the modal frequency response using asynchronous analysis, the unique rotation speed is defined by the RSTART field on the ROTORD bulk entry. The RSTEP and NUMSTEP fields in this case will be ignored. The frequency and dynamic load definitions are taken from the standard FREQ, DLOAD, and RLOAD bulk entries.</p>
            </li>
         </ol>
      </div>
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