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      <title>NASTRAN</title>
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      <div class="title_refTopic" id="xps10_pagetitle">NASTRAN </div>
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      <h4 class="refClassification">Executive System Parameter Modification </h4>
      <p class="para_refTopic">Specifies values for certain Executive System operational parameters called system cells. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <p class="para_refCategory">NASTRAN cellname1=expression1, ..., cellnamen=expression<em>n</em></p>
         <p class="para_refCategory">or </p>
         <p class="para_refCategory">NASTRAN SYSTEM(i)=expression1, ..., SYSTEM(n)=expression<em>n</em></p>
      </div>
      <div class="title_refCategory">Describers</div>
      <div class="refCategoryContent">
         <table cellpadding="5" cellspacing="" width="100%" align="center">
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                  <th align="left" colspan="1" rowspan="1">
                     <p class="para_th"><b class="uiTerm">Describer </b></p>
                  </th>
                  <th align="left" colspan="1" rowspan="1">
                     <p class="para_th"><b class="uiTerm">Meaning </b></p>
                  </th>
               </tr>
            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">cellnamei </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">System cell names from <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/02ref95657_4.html#ref48120');return(false);">Table 1-1</a>. 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SYSTEM </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Specifies the system cell number. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">expression </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">See DEFINE statement for description. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" height="60" rowspan="1" valign="top">
                     <p class="para_td">i </p>
                  </td>
                  <td align="left" colspan="1" height="60" rowspan="1" valign="top">
                     <p class="para_td">System cell number from <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/02ref95657_4.html#ref48120');return(false);">Table 1-1</a></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">The NASTRAN statements may appear anywhere in the File Management Section.  The NASTRAN statement may also be specified in Runtime Configuration (RC) files.  See &ldquo;Customizing the Runtime Configuration Files&rdquo; in the <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/01topic_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);"><em>NX Nastran Installation and Operations Guide</em></a>.
               </p>
            </li>
            <li>
               <p class="para_item">System cell values and their associated cell names may also be set with the DEFINE statement.  They may also be set or values returned with the DMAP PUTSYS and GETSYS functions and the PARAM module.  See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref21786:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;PUTSYS, GETSYS&rdquo; of the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em></a>.
               </p>
            </li>
            <li>
               <p class="para_item">More than one NASTRAN statement and/or DEFINE statement may be present and, if a system cell is specified more than once among these statements, then the last specification takes precedence. </p>
            </li>
            <li>
               <p class="para_item">The expression will use type conversion rules based on the type (i.e., integer, real, or logical) of the cellname, as defined on a previous DEFINE statement (see the DEFINE statement for conversion rules). </p>
            </li>
            <li>
               <p class="para_item">If the expression is omitted, the system cell associated with the cellname will be assigned the value as set on a previous DEFINE statement. </p>
            </li>
            <li>
               <p class="para_item">Only integers are allowed when using the system cell numbers. Thus, when a real number is requested, use the system cell name. </p>
            </li>
         </ol>
      </div>
      <div class="title_refCategory">Examples: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">Either of the following statements could be used to change the default value for block size. </p><pre class="indent">NASTRAN SYSTEM (1)=4097
or
NASTRAN BUFFSIZE=4097</pre><p class="para_item">Or, if a prior DEFINE statement had defined a keyword MY_SYSBUF to the value 4097 then the following code could be used: </p><pre class="indent">NASTRAN SYSTEM(1=MY_SYSBUF</pre><p class="para_item">or </p><pre class="indent">NASTRAN BUFFSIZE=MY_SYSBUF</pre><p class="para_item">The following statement is used to request execution of MSGMESH: </p><pre class="indent">NASTRAN MESH</pre></li>
            <li>
               <p class="para_item"><a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/02ref95657_4.html#ref48120');return(false);">Table 1-1</a>  gives a summary of the recommended system cells. 
               </p><a name="ref48120"></a><div class="title_tableWrapper">Table 1-1. System Cell Summary </div>
               <table border="1" cellpadding="2" cellspacing="" width="613" align="center">
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                     <tr>
                        <th align="center" colspan="1" rowspan="1">
                           <p class="para_th"><b class="uiTerm">System Cell Number </b></p>
                        </th>
                        <th align="center" colspan="1" rowspan="1">
                           <p class="para_th"><b class="uiTerm">System Cell Name </b></p>
                        </th>
                        <th align="center" colspan="1" rowspan="1">
                           <p class="para_th"><b class="uiTerm">Function and Reference </b></p>
                        </th>
                     </tr>
                  </thead>
                  <tbody valign="top">
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">1 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">BUFFSIZE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the number of words in a physical record.  Also called block length. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">2 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">F06 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies FORTRAN unit number for standard output file (.f06).  (Integer &gt; 0; Default = 6) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">9 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">NLINES </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the number of lines printed per page of output. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_76.html');return(false);">LINE</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">14 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MAXLINES </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_82.html');return(false);">MAXLINES</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">19 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">ECHO </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_46.html');return(false);">ECHO</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">20 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">METIME </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Minimum time for execution summary table message. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">21 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">APP </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Approach Flag. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/04ref64485_8.html');return(false);">APP</a> of the Executive Control section.  If APP HEAT is specified, then this system cell is set to 1. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">22 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MACHTYPE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Machine type.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">25 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DIAGA </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Alternate method to set DIAGs 1 through 32. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/04ref64485_12.html');return(false);">DIAG</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">28 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">CONFIG </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Machine subtype. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">31 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MESH </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Requests execution of MSGMESH. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">46 - 54 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">ADUMi </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Dummy element flag., i=1 through 9. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">56 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">HEAT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/04ref64485_8.html');return(false);">APP</a>.
                           </p>
                           <p class="para_td">0:  Structural analysis. (Default)</p>
                           <p class="para_td">1:  Heat transfer. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">57 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">HICORE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Working Memory. &ldquo; See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/07a5advfunc_26099_19.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Managing Memory </a>in the <em>NX Nastran Installation and Operations Guide</em>.
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" height="58" rowspan="1">
                           <p class="para_td">61 </p>
                        </td>
                        <td align="left" colspan="1" height="58" rowspan="1">
                           <p class="para_td">DIAGB </p>
                        </td>
                        <td align="left" colspan="1" height="58" rowspan="1">
                           <p class="para_td">Alternate method to set diagnostics 33 through 64. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/04ref64485_12.html');return(false);">DIAG </a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">64 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">PUNCH </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies FORTRAN unit number for PUNCH file (.f07).  (Default = 7) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">66 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MPYAD </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects/deselects multiplication methods. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref36772:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">MPYAD</a> in the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em>.
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">69 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SOLVE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls matrix decomposition. Same as <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref26467:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">DECOMP</a> in the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em> and Option Selection in the <em>NX Nastran Numerical Methods User&rsquo;s Guide</em>. 
                           </p>
                           <p class="para_td">0 or -1: Prints up to 50 messages for null columns and zero diagonals.  (Default = -1) </p>
                           <p class="para_td">1:  Terminates execution when first null column is encountered. </p>
                           <p class="para_td">2:  Suppresses printing of message when a null column is encountered. </p>
                           <p class="para_td">4:  Terminates execution when first zero diagonal term is encountered. </p>
                           <p class="para_td">16:  Places 1.0 in diagonal position for all null columns and proceeds with the decomposition. </p>
                           <p class="para_td">32:  Terminates execution on zero diagonal term. </p>
                           <p class="para_td">64:  Exits after execution of preface for symmetric decomposition. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">70 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">FBSOPT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects forward-backward substitution methods. <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref51751:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">FBS </a>in the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em> and the FBS Method Selection in the <em>NX Nastran Numerical Methods User&rsquo;s Guide</em>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">77 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DELFF </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Deletes form feeds.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">81 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">REAL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the amount of open core memory that certain numerical modules will be restricted to. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DBSET </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Database neutral file set. <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref73719:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">SubDMAP DBFETCH </a>in the <em>NX Nastran DMAP Programmer&rsquo;s Guide </em>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">82 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DMAP </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Allows NOGO to operate. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref18054:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Processing of User Errors </a>in the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">86 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">F04 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies FORTRAN unit number for Execution Summary Table (.f04). See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('User/index.html?goto=User/05ref23140j_22.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Understanding the .f04 File&rdquo; </a>in the <em>NX Nastran User&rsquo;s Guide</em>.
                           </p>
                           <p class="para_td">(Integer &gt; 0; Default = 4) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">87 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">RADMTX </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Type of radiation exchange coefficient, See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/19topic_16.html');return(false);">RADMTX</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" height="59" rowspan="1">
                           <p class="para_td">88 </p>
                        </td>
                        <td align="left" colspan="1" height="59" rowspan="1">
                           <p class="para_td">RADLST </p>
                        </td>
                        <td align="left" colspan="1" height="59" rowspan="1">
                           <p class="para_td">Print radiation area summary. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/19topic_13.html');return(false);">RADLST</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">107 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">PARALLEL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Parallel processing deselection (deactivation) for matrix operations.  See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/11apx_bkeywrds_1387_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Keywords</a> in the <em>NX Nastran Installation and Operations Guide</em>.
                           </p>
                           <p class="para_td">0: Deactivate parallel processing.</p>
                           <p class="para_td">1 through 1023:  Number of processors. The desired number of processors is summed with the values below in order to deactivate parallel processing methods in the following matrix operations:</p>
                           <ul class="unmarkedList">
                              <li>
                                 <p class="para_item"> 1024: Forward-backward substitution. </p>
                              </li>
                              <li>
                                 <p class="para_item">2048: Decomposition. </p>
                              </li>
                              <li>
                                 <p class="para_item">4096: Multiplication. </p>
                              </li>
                              <li>
                                 <p class="para_item">8192: Householder in eigenvalue extraction. </p>
                              </li>
                              <li>
                                 <p class="para_item">65536: Element matrix assembly. </p>
                              </li>
                              <li>
                                 <p class="para_item">262144: Sparse decomposition. </p>
                              </li>
                              <li>
                                 <p class="para_item">524288: Sparse forward-backward substitution.  </p>
                              </li>
                           </ul>
                           <p class="para_td">If PARALLEL is set simply to the number of processors, then parallel processing is selected in all operations above. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">108 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">NEWHESS </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Request complex eigenvalue method. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_52.html');return(false);">EIGC</a>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">109 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls DMAP execution: </p>
                           <p class="para_td">0: Do not execute DMAP instruction if all outputs are previously computed.</p>
                           <p class="para_td">1: Always execute DMAP instruction.  (Default)</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">114 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">BUFFPOOL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Sets bufferpool size.  See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/11apx_bkeywrds_1387_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Keywords and Environment Variables&rdquo; </a>in the <em>NX Nastran Installation and Operations Guide</em>.
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">124 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">ATTDEL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls the automatic assignment of the delivery database. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#User:ref16008:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Delivery Database&rdquo; </a> in the <em>NX Nastran User&rsquo;s Guide</em> and <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#cog:a5advfunc_1387:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Creating and Attaching Alternate Delivery Databases&rdquo; </a>in the <em>NX Nastran Installation and Operations Guide</em>.
                           </p>
                           <p class="para_td">0: Enables automatic assigning.  (Default)</p>
                           <p class="para_td">-1: Disables automatic assigning.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">125 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">NOKEEP </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls NOKEEP option of the RESTART File Management statement.</p>
                           <p class="para_td">0: Disable NOKEEP</p>
                           <p class="para_td">1: Enable NOKEEP</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">126 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SPARSE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects the sparse matrix method.  For unsymmetrical sparse matrix decomposition method selection, see cell number 209.  The following values may be summed in order to select sparse matrix methods in the operations listed below:   </p>
                           <p class="para_td">0: Deactivate sparse methods.</p>
                           <p class="para_td">1: Multiplication.</p>
                           <p class="para_td">8: Symmetric decomposition.</p>
                           <p class="para_td">16: Forward-backward substitution. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">&nbsp; </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">&nbsp; </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">The default is 25, which is the sum of all values. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">128 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">UPDTTIM </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies database directory update time. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/03ref33329_19.html');return(false);">DBUPDATE </a>.
                           </p>
                           <p class="para_td">0: Do not update.</p>
                           <p class="para_td">&gt;0: Time, in minutes, between database directory updates. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">129 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SMPYAD67 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Select pre-MSC.Nastran<sup class="superscript">&reg;</sup> (MSC.Nastran is a registered trademark of MSC.Software Corporation) Version 67 method in the SMPYAD module. <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#dmap:ref64554:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">SMPYAD </a>in the <em>NX Nastran DMAP Programmer&rsquo;s Guide</em>.
                           </p>
                           <p class="para_td">0: Use current method.  (Default)</p>
                           <p class="para_td">1: Use pre-MSC.Nastran Version 67 method.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MAXDBSET </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">The maximum number of online DBsets attached to the run. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">133 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">AUTOASGN </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls auto-assigning of dbsets.  Sum the desired values. (Default = 7). See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('User/index.html?goto=User/18ref15962_6.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Database Autoassignment&rdquo; </a>in the <em>NX Nastran User&rsquo;s Guide</em>.
                           </p>
                           <p class="para_td">0: No databases are automatically assigned.</p>
                           <p class="para_td">1: Only the primary database is automatically assigned.</p>
                           <p class="para_td">2: Only the delivery database is automatically assigned.</p>
                           <p class="para_td">4: Only located databases are automatically assigned.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">135 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">TSTAMP </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls timestamp checking of DBsets..</p>
                           <p class="para_td">0: Do not check.</p>
                           <p class="para_td">1: Check. (Default)</p>
                           <p class="para_td">2: Same as 1 and print diagnostics. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">141 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">QUADINT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies quadratic or linear interpolation for the line search method in nonlinear analysis.</p>
                           <p class="para_td">0: Quadratic interpolation.  (Default)</p>
                           <p class="para_td">1: Linear interpolation. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">142 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SCR300 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Requests creation of SCR300 partition on SCRATCH DBset. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/03ref33329_24.html');return(false);">&ldquo;INIT&rdquo; </a>.
                           </p>
                           <p class="para_td">1: Do not create SCR300 partition.</p>
                           <p class="para_td">2: Create SCR300 partition.  (Default) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">143 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">LOCBULK </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">LOCBULK=1 or 2 specifies that Bulk Data is being obtained via the DBLOCATE FMS statement.  NASTRAN LOCBULK=2 is specified when no Bulk Data entries, except for PARAM entries, are to be deleted or added.  All PARAM entries must be respecified.  All other entries will be ignored and, if present, may increase CPU times in XSORT and IFP.  With LOCBULK=2, the XSORT and IFP modules will not reprocess the Bulk Data Section stored in the SEMAP run.  Also, GP1, TASNP2, SEP1 and SEP1X modules will be skipped.  0 is the default, which assumes the RESTART FMS statement.  This system cell is recognized only in SOLs 101 through 200. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">144 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">RESTART FMS statement existence flag.  Set to 1 if RESTART statement is present. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">145 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">BFGS </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects strategies of BFGS updates for the arc-length methods in nonlinear analysis. Please see the <em>NX Nastran Nonlinear Handbook</em>. 
                           </p>
                           <p class="para_td">0: Update &Delta;<em>u<sub class="subscript">R</sub></em> and &Delta;<em>u<sub class="subscript">P</sub></em> at every iteration with &gamma;<sup class="superscript">*</sup>.  (Default) 
                           </p>
                           <p class="para_td">1: Update &Delta;<em>u<sub class="subscript">R</sub></em> only with &gamma;.
                           </p>
                           <p class="para_td">2: Update &Delta;<em>u<sub class="subscript">R</sub></em> only with &gamma;<sup class="superscript">*</sup>. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">146 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Reserves (n x BUFFSIZE x 3) memory for faster solution in the Lanczos method of eigenvalue extraction. Default=1. A value of 2 increases the memory reserved by 200%, a value of 3 increases the memory reserved by 300%, etc. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_55.html');return(false);">EIGRL </a>. See system cell 229 for a disk space saving feature. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">147 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">UWM </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SYSTEM(147)=1 issues User Warning Message for a DMAP parameter appearing on a CALL statement that has an inconsistent authorization in the called subDMAP.  0 is the default, which means no message is issued. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">148 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DBVERCHK </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">In general, databases are not compatible between major releases, thus a check is performed in NX Nastran to ensure that the major version which created the database is the same as that being executed.  Since specific data on the database may be compatible, SYSTEM(148) allows this check to be circumvented.  However, circumventing the check may lead to problems later in the run.</p>
                           <p class="para_td">0 (Default): Check is performed.</p>
                           <p class="para_td">1: Check is not performed. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">150 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SCR300DEL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Sets minimum number of blocks of SCR300 partition of SCRATCH DBset at which it is deleted. See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/03ref33329_24.html');return(false);">&ldquo;INIT&rdquo;</a>.  (Default = 100) 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">151 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Requests spill or no spill of the SCR300 partition of SCRATCH DBset. See<a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/03ref33329_24.html');return(false);">&ldquo;INIT&rdquo; </a>. FMS statement.  (Default = 1) 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">155 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DBLAMKD </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Sets differential stiffness formulation for CBEAM element. </p>
                           <p class="para_td">0: Current formulation.  (Default)</p>
                           <p class="para_td">1: Pre-MSC.Nastran 67 formulation. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">166 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls sparse symmetric decomposition.  Sum the desired values.  (Default = 0)</p>
                           <p class="para_td">0: No action (Default)</p>
                           <p class="para_td">1: If insufficient core is encountered, then switch to conventional decomposition and continue.</p>
                           <p class="para_td">2: Print diagnostics </p>
                           <p class="para_td">4: Do not issue fatal message if maximum ratios are exceeded.  Although high maximum ratios may be printed, they will not cause job termination.  This applies to the DCMP, DECOMP, REIGL, and LANCZOS modules. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">OLDQ4K </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Requests the pre-MSC.Nastran 68 CQUAD4 element stiffness formulation.  No value is required after the keyword. Equivalent to SYSTEM(173)=1. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">170 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">LDQRKD </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects the differential stiffness method for CQUAD4 and CTRIA3 elements. </p>
                           <p class="para_td">0: MSC.Nastran Version 68, improved method. (Default)</p>
                           <p class="para_td">1: Pre-MSC Nastran Version 68 method.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">173 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">0: Default. </p>
                           <p class="para_td">1: Requests pre-MSC.Nastran V68 QUAD4 Formulation.</p>
                           <p class="para_td">2: Requests MSC.Nastran V68 - V70.5 QUAD4 Formulation.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">189 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Q4TAPER </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the maximum allowable value of taper for the CQUAD4 element.  Taper is computed by connecting opposite grid points and computing the area of the enclosed triangles.  Another way to think of taper is the ratio of the areas on the two sides of a diagonal.  (Real &ge; 0.0; Default = 0.5) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">190 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Q4SKEW </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the minimum allowable value of skew for the CQUAD4 element.  Skew is the angle measured in degrees  between the lines that join opposite midsides.  (Real &ge; 0.0; Default = 30.0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">191 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">TETRAAR </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the maximum allowable aspect ratio of the longest edge to the shortest altitude for the CTETRA element.  (Real &ge; 0.0; Default = 100.0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">193 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DISKSAVE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option: Controls whether the matrix/vector multiplication is saved in a scratch file or recomputed at every iteration. </p>
                           <p class="para_td">0: Save (Default for all machines) </p>
                           <p class="para_td">1: No save</p>
                           <p class="para_td">2: Save</p>
                           <p class="para_td"> 3: No Save</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">194 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">FASTIO </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option: Controls input/output in orthogonalization/renormalization routines.</p>
                           <p class="para_td">0: UNPACK/PACK</p>
                           <p class="para_td">1: GINO READ/WRITE (Default) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">195 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">FRQSEQ </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option:  100 &lt; Exponent for the rational function used to determine segment boundaries.  See also the ALPH field on the See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_55.html');return(false);">&ldquo;EIGRL&rdquo;</a>. (Integer; Default = 0, which means equal segments.)
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">196 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SCRSAVE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option:  Controls reuse of scratch files in segment logic.</p>
                           <p class="para_td">0: Do not reuse.  (Default)</p>
                           <p class="para_td">1: Reuse. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">197 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">NUMSEG </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option: Selects number of segments.  See also the NUMS field on the <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_55.html');return(false);">&ldquo;EIGRL&rdquo;</a>.  (Default = 1) 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">198 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MINFRONT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option: Sets minimum front size.  (The default value is machine dependent.) This can also be set with the &ldquo;rank&rdquo; keyword. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/11apx_bkeywrds_1387_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Keywords and Environment Variables&rdquo; </a> for more information on the &ldquo;rank&rdquo; keyword, and <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/01topic_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Table </a> in the <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/01topic_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);"><em>NX Nastran Installation and Operations Guide</em></a> for the machine dependent default values. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">199 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MASSBUF </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Lanczos High Performance Option: Sets half the number of buffers to set aside for storing the mass matrix in core.  (Default = 1, which means 2 buffers will be used.) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">200 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">NSEGADD </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Number of segments in the element error table that is generated in adaptive analysis.  (Default = 2) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">204 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">CORDM </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies the default value for CORDM field on the PSOLID entry.  (Integer &ge; -1; Default = 0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">205 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Defines the number of rows that will be simultaneously updated during a sparse symmetric decomposition. This can also be set with the &ldquo;rank&rdquo; keyword. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/11apx_bkeywrds_1387_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Keywords and Environment Variables&rdquo; </a> for more information on the &ldquo;rank&rdquo; keyword, and <a class="links" href="javascript:void(0)" onclick="top.popUpPage('cog/index.html?goto=cog/01topic_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Table </a>in the <em>NX Nastran Installation and Operations Guide</em> for the machine dependent default values. 
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">206 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects ordering method for sparse matrix decomposition.</p>
                           <p class="para_td">0: Method selected automatically in symbolic factoring phase.</p>
                           <p class="para_td">1: Minimum degree ordering.</p>
                           <p class="para_td">2: Modified minimum degree ordering for indefinite matrices.</p>
                           <p class="para_td">3: No ordering (uses given sequence).</p>
                           <p class="para_td">4: Extreme ordering.</p>
                           <p class="para_td">8: METIS ordering.  Metis was developed by George Karpis and Vipin Kumar at the University of Minnesota.  More information may be found at http://www.cs.umn.edu/~karypis/metis.</p>
                           <p class="para_td">.9: Selects better of METIS and MMD.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">209 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">USPARSE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Unsymmetric sparse matrix method selection for the decomposition and forward-backward substitution operations.</p>
                           <p class="para_td">0: Deactivate.</p>
                           <p class="para_td">1: Activate. (Default) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">212 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">CHEXAINT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies CHEXA element&rsquo;s integration rule for p-adaptive analysis and p = 2x2x2 (only). </p>
                           <p class="para_td">0: Reduced. (Default)</p>
                           <p class="para_td">1: Full. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">213 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DISTORT </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Element distortion fatal termination override.  Applies to all p-elements and the TETRA h-elements. </p>
                           <p class="para_td">0: Terminate run. (Default)</p>
                           <p class="para_td">1: Do not terminate run.</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1"><a name="ref_iter216"></a><p class="para_td">216 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">ITER </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls execution of global iterative solver in SOLs 1,8,11,66,101,106,108,111,153 and the element iterative solver in SOLS 1 and 101.</p>
                           <p class="para_td">YES: Execute global iterative solver.</p>
                           <p class="para_td">NO: Do not execute global iterative solver (Default). </p>
                           <p class="para_td">See bulk card ITER.</p>
                           <p class="para_td">To run the element iterative solution, see Nastran function ELEMITER. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">218 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">T3SKEW </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Allows the user to control the minimum vertex angle for TRIA3 elements at which USER WARNING MESSAGE 5491 is issued.  See the description of CTRIA3. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">229 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MEMSAVE </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Specifies space-saving method for the old Lanczos method of eigenvalue extraction (system(273)=1). <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/15topic_55.html');return(false);">&ldquo;EIGRL&rdquo;</a>.
                           </p>
                           <p class="para_td">0: No space savings.  (Default)</p>
                           <p class="para_td">1: Does not write factors to disk which reduces scratch space usage by 67%.  However, CPU costs will increase. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">242 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls module BEGN and END messages in .f04 file.</p>
                           <p class="para_td">0: Print everything. (Default)</p>
                           <p class="para_td">1: Print major modules only.</p>
                           <p class="para_td">2: Print sub-modules only.</p>
                           <p class="para_td">3: Do not print. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">252</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Used to select or deselect triple loop kernels in triple MPYAD operations.</p>
                           <p class="para_td">0 = do not use</p>
                           <p class="para_td">1 = use triple loop numerical kernels</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">253 - 262 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">SYSTEM(253) to (262) have been set aside for user DMAPS. The software does not use these values in its code in present or future versions. The SSSAlter library may use this range. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">270 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">QUARTICDLM </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">A value of 1 selects the new quartic formulation of the doublet lattice kernel (N5KQ) while 0 selects the original quadratic form. (Default=0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">273 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">A value of 1 selects the old Lanczos shift logic from V70 and prior systems. (Default=0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">303 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MINDEF </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Indefinite Mass Matrix Check, the Default=1 does not perform the check.</p>
                           <p class="para_td">If MINDEF&gt;0, then check is not performed.</p>
                           <p class="para_td">If MINDEF&lt;0, then epsilon = -1.E(MINDEF).</p>
                           <p class="para_td">If MINDEF=0, then MINDEF defaults to -6. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">304 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">MPERTURB </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Perturbation factor for indefinite mass matrix. The default=1 does not perturb the mass.</p>
                           <p class="para_td">If MPERTURB&gt;0, then the mass is not perturbed.</p>
                           <p class="para_td">If MPERTURB&lt;0, then the mass 1.E(MPERTURB) is added to the diagonal terms of the mass matrix</p>
                           <p class="para_td">.If MPERTURB=0, then MPERTURB defaults to -6. The perturbed mass matrix is used in the subsequent eigenvalue analysis. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">309 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">If set to 1, requests the pre-MSC.Nastran Version 70.7 HEXA8 element stiffness formulation. (Default=0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">310 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">If set to 1, requests the pre-MSC.Nastran Version 70.7 RBE3 formulation. (Default=0) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">319</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">XMSG</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">If set to 1, gives extended error messages. (Default=0)</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">320 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls the conversion of DAREA Bulk Data entries for grid and scalar points to equivalent FORCE/MOMENT/SLOAD Bulk Data entries as appropriate. </p>
                           <p class="para_td">0: Perform the conversion, but do not give details of the conversion. (Default) </p>
                           <p class="para_td">N: Perform the conversion and give details of the first N such conversions. </p>
                           <p class="para_td">-1: Do not perform the conversion. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">359 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">   =0: Use the user-requested eigensolution method.</p>
                           <p class="para_td">&lt;&gt;0: When LAN is requested, switch to AHOU if the number of DOFs sent to the eigensolver is &le; &ldquo;nswitch&rdquo;, an input parameter to the READ module. This parameter has an MPL default of 20. It may be set to other values in the solution sequences, depending on the context. When HOU, MHOU, or AHOU is selected, switch to the new Householder-QL solution. (Default=1) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">368 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Reserved </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">370 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">QRMETH </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Selects the formulation used by the QUADR/TRIAR elements. </p>
                           <p class="para_td">0: Selects the QUADR/TRIAR membrane formulation with active out of plane rotational dof. (default) </p>
                           <p class="para_td">1: Selects the older, limited QUADR/TRIAR formulation. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">395-398 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Reserved. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1"><a name="ref_elemiter399"></a><p class="para_td">399 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">ELEMITER </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls execution of element iterative solver in SOLs 1 and 101.</p>
                           <p class="para_td">YES: Execute element iterative solver.</p>
                           <p class="para_td">NO: Do not execute element iterative solver (Default).</p>
                           <p class="para_td">Note that both ITER = YES and ELEMITER = YES are required to run element iterative solution.(See also bulk card ITER and Nastran function ITER.) </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">400-401 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Reserved. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">DPBLKTOL </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Tolerance to determine the removal of duplicate GRID IDs and/or CORD1C, CORD1R, CORD1S, CORD2C, CORD2R, CORD2S. (Real &ge; 0.0; Default = 0.0) </p>
                           <p class="para_td">Set DPBLKTOL &lt; 0.0 (default) to have the software abort a solve if a model contains duplicate GRID point IDs and/or coordinate system definitions. </p>
                           <p class="para_td">Set DPBLKTOL = 0.0 to have the software ignore duplicate GRID point IDs and/or coordinate system definitions and proceed with the solve. </p>
                           <p class="para_td">Set DPBLKTOL &gt; 0.0 to specify a tolerance value that determines whether the software ignores duplicate GRID IDs and/or coordinate systems and proceeds with the solve. </p>
                           <p class="para_td">GRIDS: Duplicates will be removed if their coordinates are within the specified tolerance, one (or none) has a local coordinate system defined, and all belong to the same superelement. If all conditions are met, the GRID using the local coordinate system will be used and the others ignored. If all conditions are not met, the solution stops with an error. </p>
                           <p class="para_td">Coordinate Systems: Duplicate coordinate system definitions will be removed if the coordinate system types are the same and their transformation matrices are within the specified tolerance and they are on the same superelement. If all conditions are met, the first coordinate system will be kept and subsequent duplicates ignored. If all conditions are not met, the solution will stop with an error. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">404 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Reserved. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">405 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Complex eigenvalue solver options using ISRR method.</p>
                           <p class="para_td">0: Use ISRR special solver (higher memory requirement). (Default) </p>
                           <p class="para_td">1: Use NX NASTRAN general solver (small memory requirement). </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">406 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Complex eigenvalue solver options using ISRR method.</p>
                           <p class="para_td">0: Do not calculate left eigenvectors (better performance). (Default)</p>
                           <p class="para_td">1: Calculate left eigenvectors (extra computational cost). </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">407 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Determines if the version stamp header is written on the first line of the OP2 file. </p>
                           <p class="para_td">0: Version stamp written. (Default) </p>
                           <p class="para_td">1: Turns off the version stamp. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">409 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">- - - </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Changes how the RBE3 check for unconnected grid points is done. Normally the check will produce a fatal error when grids referenced by an RBE3 are unconnected, but if this system cell is set to 1, only a warning will be issued and the solution continues. </p>
                           <p class="para_td">The check for an unconnected node on a RBE3 element is not performed for a superelement or dmp solution. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" height="151" rowspan="1">
                           <p class="para_td">412 </p>
                        </td>
                        <td align="left" colspan="1" height="151" rowspan="1">
                           <p class="para_td">OLDGAPS </p>
                        </td>
                        <td align="left" colspan="1" height="151" rowspan="1">
                           <p class="para_td">Controls how CGAPs are treated in SOL 101 when linear contact is defined. (See the section on linear contact in the <a class="links" href="javascript:void(0)" onclick="top.popUpPage('User/index.html?goto=User/01topic_1.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);"><em>NX Nastran User&rsquo;s Guide</em></a> for more information.) 
                           </p>
                           <p class="para_td">0: CGAPs are treated as contact elements. (Default) </p>
                           <p class="para_td">1: CGAPs are treated as linear springs. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">413</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1"></td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Determines if OUTPUT2 binary results files are written as 32-bit or 64-bit from ILP-64 workstations only (same as PARAM OP2FMT except when a custom solution sequence is used. See parameter OP2FMT).</p>
                           <p class="para_td">=  0: The solution will automatically check if a PARAM, POST,<em>n</em> entry exists, and that <em>n</em> is less than 0.  If this exists, the OP2 file is converted to 32-bit.  If not, then the OP2 file is written as 64-bit. 
                           </p>
                           <p class="para_td">= 32: The OP2 file will always be converted to the 32-bit format from ILP-64 workstations. </p>
                           <p class="para_td">= 64: The OP2 file will always be written in the 64-bit format from ILP-64 workstations, thus no conversion is done. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">415</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1"></td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Determines if OUTPUT4 binary results output is written as 32-bit or 64-bit from ILP-64 workstations only (same as PARAM OP4FMT except when a custom solution sequence is used. See parameter OP4FMT).</p>
                           <p class="para_td">= 32: The OP4 file will always be converted to the 32-bit format from ILP-64 workstations. </p>
                           <p class="para_td">= 64: The OP4 file will always be written in the 64-bit format from ILP-64 workstations, thus no conversion is done. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">416</p>
                        </td>
                        <td align="left" colspan="1" rowspan="1"></td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Determines if binary files are read into NX Nastran as 32-bit or 64-bit on ILP-64 workstations only (same as PARAM INP4FMT except when a custom solution sequence is used. See parameter INP4FMT).</p>
                           <p class="para_td">= 32  When a 32-bit OP4 file is read, the data is converted to 64-bit on ILP-64. </p>
                           <p class="para_td">= 64 When a 64-bit OP4 file is read, the data is read directly as 64-bit on ILP-64. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">417 </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">REDORTH </p>
                        </td>
                        <td align="left" colspan="1" rowspan="1">
                           <p class="para_td">Controls if the reduced-orthogonalization option during Lanczos solutions is turned on or off. </p>
                           <p class="para_td">0: Reduced-orthogonalization option is turned off. (Default) </p>
                           <p class="para_td">1: Reduced-orthogonalization option is turned on. </p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">419</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">SVDSPC</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Determines which AUTOSPC method is used.</p>
                           <p class="para_td">0: Use the eigenvalue method (Default)</p>
                           <p class="para_td">1: Use the Singular Value Decomposition (SVD) method</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">421</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">SPARSEDR</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Selects if the sparse data recovery option is used for modal response solutions</p>
                           <p class="para_td">0: Sparse data recovery option not used.</p>
                           <p class="para_td">1: Sparse data recovery option used. (default)</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">422</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">ENFMOTN</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Controls which formulation is used for enforced motion response analysis (and mode acceleration, if requested).</p>
                           <p class="para_td">0: Constraint mode method of enforced motion formulation (and new mode acceleration method)</p>
                           <p class="para_td">1: Absolute displacement enforced motion formulation (and old mode acceleration method) (Default). (ABS/REL option on DISPLACEMENT, VELOCITY, and ACCELERATION case control entries is disabled).</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">424</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">SPCHOL</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Selects if sparse Cholesky decomposition technique is used in linear solutions.</p>
                           <p class="para_td">0: Sparse Cholesky technique is not used.</p>
                           <p class="para_td">1: Use Sparse Cholesky technique.(default)</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">425</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">ADSOPT</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Controls which optimizer is selected for design optimization.</p>
                           <p class="para_td">0: Use DOT (default)</p>
                           <p class="para_td">1: Use UGS-ADS</p>
                        </td>
                     </tr>
                     <tr>
                        <td align="center" colspan="1" rowspan="1">
                           <p class="para_td">426</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">REDMULT</p>
                        </td>
                        <td colspan="1" rowspan="1">
                           <p class="para_td">Selects the REDMULT performance option when solving vibration problems with the Lanczos method.</p>
                           <p class="para_td">0: REDMULT is not used.(default)</p>
                           <p class="para_td">1: REDMULT is used.</p>
                        </td>
                     </tr>
                  </tbody>
               </table><br></li>
         </ol>
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