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      <title>CTRIAX6</title>
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      <div class="title_refTopic" id="xps10_pagetitle">CTRIAX6 </div>
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      <h4 class="refClassification">Axisymmetric Triangular Element Connection </h4>
      <p class="para_refTopic">Defines an isoparametric and axisymmetric triangular cross section ring element with midside grid points. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
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               <col span="1" width="9.96*">
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                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">1 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">2 </p>
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                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">3 </p>
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                     <p class="para_th">4 </p>
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                     <p class="para_th">5 </p>
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                     <p class="para_th">6 </p>
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                     <p class="para_th">7 </p>
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                     <p class="para_th">8 </p>
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                     <p class="para_th">9 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">10 </p>
                  </th>
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            </thead>
            <tbody>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CTRIAX6 </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">MID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
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                  <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">TH </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>
                  <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">
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               <col span="1" width="11.70*">
               <col span="1" width="10*">
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               <col span="1" width="8.30*">
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CTRIAX6 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">22 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">999 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">10 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">11 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">12 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">21 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">22 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">32 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">9.0 </p>
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                     <p class="para_td">&nbsp; </p>
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                  <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>
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            </tbody>
         </table><br></div>
      <div class="title_refCategory">Fields:</div>
      <div class="refCategoryContent">
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               <col span="1" width="16*">
               <col span="1" width="84*">
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                  <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>
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            </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">Element identification number.  (Integer &gt; 0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">MID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Material identification number.  (Integer &gt; 0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Gi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Grid point identification numbers of connected points. (unique Integers &gt; 0, or blank for deleted nodes) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">TH </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Material property orientation angle in degrees.  (Real; Default = 0.0) </p>
                  </td>
               </tr>
            </tbody>
         </table><br></div>
      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">The grid points must lie in the x-z plane of the basic coordinate system, with <em>x</em> = <em>r</em> &ge; 0.  The grid points must be listed consecutively beginning at a vertex and proceeding around the perimeter in either direction.  Corner grid points G1, G3, and G5 must be present.  Any or all edge grid points G2, G4, or G6 may be deleted.  Note that the alternate corner-edge grid point pattern is different from the convention used on the CTRIA6 element. 
               </p>
            </li>
            <li>
               <p class="para_item">For structural problems, the MID may refer to a  MAT1 or MAT3 entry. </p>
            </li>
            <li>
               <p class="para_item">The continuation is optional. </p>
            </li>
            <li>
               <p class="para_item">Material properties (if defined on a MAT3 entry) and stresses are given in the (<em>r<sub class="subscript">m</sub></em>, <em>z<sub class="subscript">m</sub></em>) coordinate system shown in <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/14topic_37.html#ref69905');return(false);">Figure 13-</a>. 
               </p>
            </li>
            <li>
               <p class="para_item">A concentrated load (e.g., FORCE entry) at Gi is divided by the 2&pi; times the radius to Gi and then applied as a force per unit circumferential length.  For example, in order to apply a load of 100 N/m on the circumference at G1 (which is located at a radius of 0.5 m), the magnitude of the load specified on the static load entry must result in: </p>
               <p align="center"><img align="bottom" src="graphics/bulkc2-equ10.gif"></p><a name="ref18667"></a><div class="figure">
                  <p align="center"><img align="bottom" src="graphics/bulkc2-fig37.gif"></p>
               </div>
               <div class="title_figure">Figure. CTRIAX6 Element Idealization </div><a name="ref69905"></a><div class="figure">
                  <p align="center"><img align="bottom" src="graphics/bulkc2-fig38.gif"></p>
               </div>
               <div class="title_figure">Figure. CTRIAX6 Element Geometry and Coordinate Systems </div>
            </li>
         </ol>
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