<!DOCTYPE html
  PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<!--
Copyright (c) 2006 UGS Corp.

All Rights Reserved.

This software and related documentation are proprietary to UGS Corp.
-->
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>M2PP</title>
      <script language="javaScript">
        abridged="false";
        displayConditions=new Array();
      </script>
      <link type="text/css" href="../css/main_styles.css" rel="stylesheet">
   </head>
   <body class="bodydocs" onload="top.pageLoader()" bgcolor="#FFFFFF">
      <hr noshade="true">
      <div class="title_refTopic" id="xps10_pagetitle">M2PP </div>
      <hr noshade="true">
      <h4 class="refClassification">Direct Input Mass Matrix Selection </h4>
      <p class="para_refTopic">Selects direct input mass matrices, which are not included in normal modes. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <p class="para_refCategory">M2PP=name </p>
      </div>
      <div class="title_refCategory">Examples: </div>
      <div class="refCategoryContent"><pre class="indent">M2PP=MDMIG
M2PP=M1, M2, M3
SET 100=MDMIG, M1, M8
M2PP=100</pre></div>
      <div class="title_refCategory">Describers:</div>
      <div class="refCategoryContent">
         <table cellpadding="9" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="21.16*">
               <col span="1" width="78.84*">
            </colgroup>
            <thead>
               <tr>
                  <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">name </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Name of a [<em>M</em><sup class="superscript">2</sup><em><sub class="subscript">pp</sub></em>] matrix that is input on the DMIG or DMIAX Bulk Data entry. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('User/index.html?goto=User/14ref37867_30.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Dynamic Reduction and Component Mode Synthesis in SubDMAP SEMR3&rdquo; </a>in the <em>NX Nastran User&rsquo;s Guide</em>. (Character) 
                     </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">DMIG and DMIAX entries will not be used unless selected by the M2PP input. </p>
            </li>
            <li>
               <p class="para_item">M2PP input is not affected by PARAM,WTMASS. M2PP input must be in consistent mass units. </p>
            </li>
            <li>
               <p class="para_item">The matrix must be square or symmetric and field 4 on the DMIG, name entry must contain a 1 or 6. </p>
            </li>
            <li>
               <p class="para_item">It is recommended that PARAM,AUTOSPC,NO be specified. See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('User/index.html?goto=User/14ref37867_16.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;Constraint and Mechanism Problem Identification in SubDMAP SEKR&rdquo; </a>in the <em>NX Nastran User&rsquo;s Guide</em>. 
               </p>
            </li>
            <li>
               <p class="para_item">M2PP matrices are used only in dynamic response problems. They are not used in normal modes. </p>
            </li>
            <li>
               <p class="para_item">The matrices are additive if multiple matrices are referenced on the M2PP command. </p>
            </li>
         </ol>
      </div>
   </body>
</html>
