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      <title>CBEAM</title>
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      <div class="title_refTopic" id="xps10_pagetitle">CBEAM </div>
      <hr noshade="true">
      <h4 class="refClassification">Beam Element Connection </h4>
      <p class="para_refTopic">Defines a beam element. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
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               <col span="1" width="10*">
            </colgroup>
            <thead>
               <tr>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">7 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">8 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">9 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">10 </p>
                  </td>
               </tr>
            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CBEAM </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">EID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">GA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">GB </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">X1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">X2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">X3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">BIT </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PB </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W1A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W2A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W1B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W2B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SB </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Example:</div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CBEAM </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">39 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">7 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">13 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">8.2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">6.1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">-5.6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">513 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">3.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">8 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Alternate Format and Example: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CBEAM </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">EID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">GA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">GB </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G0 </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">BIT </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PB </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W1A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W2A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3A </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W1B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W2B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">W3B </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SA </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SB </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" bgcolor="gray" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br><table border="1" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
               <col span="1" width="10*">
            </colgroup>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CBEAM </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">39 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">7 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">13 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">105 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">513 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Fields:</div>
      <div class="refCategoryContent">
         <table cellpadding="10" width="100%" align="center">
            <colgroup span="1">
               <col span="1" width="24.61*">
               <col span="1" width="75.39*">
            </colgroup>
            <thead>
               <tr>
                  <th align="left" colspan="1" rowspan="1">
                     <p class="para_th"><b class="uiTerm">Field </b></p>
                  </th>
                  <th align="left" colspan="1" rowspan="1">
                     <p class="para_th"><b class="uiTerm">Contents </b></p>
                  </th>
               </tr>
            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">EID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Unique element identification number.  (Integer &gt; 0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Property identification number of PBEAM, PBCOMP or PBEAML entry.  (Integer &gt; 0; Default=EID) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">GA, GB </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Grid point identification numbers of connection points.  (Integer &gt; 0; GA &ne; GB) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">X1, X2, X3 </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Components of orientation vector <img align="bottom" src="graphics/bulkc1-ufig03.gif" border="0">, from GA, in the displacement coordinate system at GA.  (Real) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">G0 </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Alternate method to supply the orientation vector <img align="bottom" src="graphics/bulkc1-ufig03.gif" border="0"> using grid point G0.  Direction of <img align="bottom" src="graphics/bulkc1-ufig03.gif" border="0"> is from GA to G0. <img align="bottom" src="graphics/bulkc1-ufig03.gif" border="0"> is then transferred to end A.  (Integer &gt; 0; G0 &ne; GA or GB) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">BIT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Built-in twist of the cross-sectional axes about the beam axis at end B relative to end A.  For beam p-elements only.  (Real, default = 0.0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PA, PB </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Pin flags for beam ends A and B, respectively; used to remove connections between the grid point and selected degrees-of-freedom of the beam.  The degrees-of-freedom are defined in the element&rsquo;s coordinate system and the pin flags are applied at the offset ends of the beam (see <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/13topic_11.html#ref22290');return(false);">Figure 12-</a>).  The beam must have stiffness associated with the PA and PB degrees-of-freedom to be released by the pin flags.  For example, if PA = 4, the PBEAM entry must have a nonzero value for J, the torsional stiffness. Pin flags are not allowed for beam p-elements. (Up to five of the unique integers 1 through 6 with no embedded blanks.) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">W1A, W2A, W3A, W1B, W2B, W3B </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Components of offset vectors, measured in the displacement coordinate systems at grid points A and B, from the grid points to the end points of the axis of shear center.  See Remark <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/13topic_11.html#ref88401');return(false);">12-7</a> (Real; Default = 0.0) 
                     </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SA, SB </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Scalar or grid point identification numbers for the ends A and B, respectively.  The degrees-of-freedom at these points are the warping variables <em>d</em>&theta;<em>/dx</em>.  SA and SB cannot be specified for beam p-elements.  (Integers &gt; 0 or blank) 
                     </p>
                  </td>
               </tr>
            </tbody>
         </table><br><table border="0">
            <tr>
               <td valign="top" align="left"><img align="left" src="../graphics/note.gif" alt="Note" title="Note"></td>
               <td valign="bottom" align="left" width="100%">
                  <div class="para_note">
                     <p class="para_note_body">See the BEAMOR entry for default options for field 3 and fields 6 through 8. </p>
                  </div>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">Element identification numbers should be unique with respect to all other element identification numbers. </p>
            </li>
            <li>
               <p class="para_item">For an additional explanation of the beam element, see <a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#element:ref19664:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">&ldquo;CBEAM Element&rdquo; </a>in the <em>NX Nastran Element Library</em>. Figures <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/13topic_11.html#ref22290');return(false);">12-</a> through <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/13topic_11.html#ref96936');return(false);">12-</a> show CBEAM element geometry, forces and moments. 
               </p><a name="ref22290"></a><div class="figure">
                  <p align="center"><img align="bottom" src="graphics/bulkc1-fig11.gif"></p>
               </div>
               <div class="title_figure">Figure. CBEAM Element Geometry System (Non p-adaptive) </div><a name="ref42529"></a><div class="figure">
                  <p align="left"><img align="bottom" src="graphics/bulkc1-fig12.gif"></p>
               </div>
               <div class="title_figure">Figure. CBEAM Element Geometry System (p-adaptive) </div><a name="ref96936"></a><div class="figure">
                  <p align="center"><img align="bottom" src="graphics/bulkc1-fig13.gif"></p>
               </div>
               <div class="title_figure">Figure. CBEAM Internal Element Forces and Moments </div>
            </li>
            <li>
               <p class="para_item">If field 6 is an integer, then G0 is used.  If field 6 is blank or real, then X1, X2, X3 is used. </p>
            </li>
            <li>
               <p class="para_item">G0 cannot be located at GA or GB. </p>
            </li>
            <li>
               <p class="para_item">The rules for the continuations entries are: </p>
               <ul>
                  <li>
                     <p class="para_item"> Both continuations may be omitted if there are no pin flags, offsets, or warping variables. </p>
                  </li>
                  <li>
                     <p class="para_item">If the second continuation is used, then the first continuation must be included, even if all fields are blank. </p>
                  </li>
                  <li>
                     <p class="para_item">If the second continuation is omitted, torsional stiffness due to warping of the cross section will not be considered. </p>
                  </li>
               </ul>
            </li>
            <li>
               <p class="para_item">If warping is allowed (SA and SB &gt; 0), then SA and SB must be defined with SPOINT or GRID entries.  If GRID entries are used, the warping degree-of-freedom is attached to the first (T1) component. </p>
            </li>
            <li><a name="ref88401"></a><p class="para_item">Offset vectors are treated like rigid elements and are therefore subject to the same limitations. </p>
               <ul>
                  <li>
                     <p class="para_item">Offset vectors are not affected by thermal loads. </p>
                  </li>
                  <li>
                     <p class="para_item">The specification of offset vectors is not recommended in solution sequences that compute differential stiffness because the offset vector remains parallel to its original orientation.  (Differential stiffness is computed in buckling analysis provided in SOLs 5, 16, 105, and 200). </p>
                  </li>
                  <li>
                     <p class="para_item">The specification of offset vectors is not permitted in SOLs 106, 129, 153, and 159 with PARAM,LGDISP,1. </p>
                  </li>
               </ul>
            </li>
            <li>
               <p class="para_item">If the CBEAM element is referenced by a PSET or PVAL entry, then a p-version formulation is used and the element can have curved edges. </p>
               <ul>
                  <li>
                     <p class="para_item">By default, the edge of the element is considered straight unless the element is a p-element and the edge is associated to curved geometry with a FEEDGE entry. </p>
                  </li>
                  <li>
                     <p class="para_item">If a curved edge of a p-element is shared by an h-element without midside nodes, the geometry of the edge is ignored and considered to be straight.  Edges with midside nodes cannot be shared by p-elements. </p>
                  </li>
                  <li>
                     <p class="para_item">For the beam p-element, components of the offset vectors parallel to the beam axis (FEEDGE) will be ignored. </p>
                  </li>
               </ul>
            </li>
         </ol>
      </div>
      <div class="title_refCategory">Remarks related to SOLs 601 and 701: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">BIT, W1A, W2A, W3A, W1B, W2B, W3B, SA, and SB are ignored. </p>
            </li>
            <li>
               <p class="para_item">CBEAM defines the same element as CBAR for SOLs 601 and 701. </p>
            </li>
            <li>
               <p class="para_item">Result output for this element is requested using Case Control command STRESS. However, element forces instead of stresses are output for CBEAM (and CBAR) elements. </p>
            </li>
         </ol>
      </div>
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