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      <title>SPCFORCES</title>
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      <div class="title_refTopic" id="xps10_pagetitle">SPCFORCES </div>
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      <h4 class="refClassification">Single-Point Forces of Constraint Output Request </h4>
      <p class="para_refTopic">Requests the form and type of single-point force of constraint vector output. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <p align="center"><img align="bottom" src="graphics/casecontrol4a-ufig72.gif"></p>
      </div>
      <div class="title_refCategory">Examples: </div>
      <div class="refCategoryContent"><pre class="indent">SPCFORCES=5
SPCFORCES(SORT2,PUNCH,PRINT,IMAG)=ALL
SPCFORCES(PHASE)=NONE</pre></div>
      <div class="title_refCategory">Describers:</div>
      <div class="refCategoryContent">
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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">SORT1 </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Output will be presented as a tabular listing of grid points for each load, frequency, eigenvalue, or time, depending on the solution sequence. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SORT2 </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Output will be presented as a tabular listing of frequency or time for each grid point. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PRINT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">The printer will be the output medium. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PUNCH </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">The punch file will be the output medium. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PLOT </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Generates, but does not print, single-point forces of constraint. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">REAL or IMAG </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests rectangular format (real and imaginary) of complex output.  Use of either REAL or IMAG yields the same output. </p>
                  </td>
               </tr>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PHASE </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests polar format (magnitude and phase) of complex output.  Phase output is in degrees. </p>
                  </td>
               </tr>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PSDF </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests the power spectral density function be calculated for random analysis post-processing. The request must be made above the subcase level and RANDOM must be selected in the Case Control. See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ATOC </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests the autocorrelation function be calculated for random analysis post-processing. The request must be made above the subcase level and RANDOM must be selected in the Case Control. See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">CRMS </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests the cumulative root mean square function be calculated for random analysis post-processing. Request must be made above the subcase level and RANDOM must be made in the Case Control. See remark 10.</p>
                  </td>
               </tr>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RALL</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Requests all of PSDF, ATOC, and CRMS be calculated for random analysis post-processing. The request must be made above the subcase level and RANDOM must be selected in the Case Control. See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RPRINT</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Writes random analysis results to the print file. (Default) See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">NORPRINT</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Disables the writing of random analysis results to the print file. See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RPUNCH</p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Writes random analysis results to the punch file. See remark 10.</p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">ALL </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Single-point forces of constraint for all points will be output.  See Remarks <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_143.html#ref88292');return(false);">178-2</a> and <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_143.html#ref17611');return(false);">178-5. </a></p>
                  </td>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">NONE </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Single-point forces of constraint for no points will be output. </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">n </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Set identification of a previously appearing SET command.  Only single-point forces constraint for points with identification numbers that appear on this SET command will be output.  (Integer&gt;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">Both PRINT and PUNCH may be requested. </p>
            </li>
            <li><a name="ref88292"></a><p class="para_item">See <a class="links" href="javascript:void(0)" onclick="top.openFile('QRG/05ref73192_40.html');return(false);">DISPLACEMENT</a> for a discussion of SORT1 and SORT2.  In the SORT1 format only nonzero values will be output. 
               </p>
            </li>
            <li>
               <p class="para_item">In a statics problem, a request for SORT2 causes loads at all points (zero and nonzero) to be output. </p>
            </li>
            <li>
               <p class="para_item">SPCFORCES=NONE overrides an overall output request. </p>
            </li>
            <li><a name="ref17611"></a><p class="para_item">In SORT1 format, SPCFORCESs recovered at consecutively numbered scalar points are printed in groups of six (sextets) per line of output.  But if a scalar point is not consecutively numbered, then it will begin a new sextet on a new line of output.  If a sextet can be formed and all values are zero, then the line will not be printed.  If a sextet cannot be formed, then zero values may be output. </p>
            </li>
            <li>
               <p class="para_item">SPCFORCES results are output in the global coordinate system (see field CD on the GRID Bulk Data entry). </p>
            </li>
            <li>
               <p class="para_item">In SOLs 129 and 159, SPCFORCES results do not include the effects of mass and damping elements. </p>
            </li>
            <li>
               <p class="para_item">In all solution sequences except SOLs 129 and 159, SPCFORCES results do include the effects of mass and damping, except damping selected by SDAMPING command.  PARAM,DYNSPCF,OLD may be specified to obtain SPCFORCES results, which do not include mass and damping effects. </p>
            </li>
            <li>
               <p class="para_item">In inertia relief analysis, the SPCFORCES output is interpreted differently for SOLs 1, 101 and 200: </p>
               <ul>
                  <li>
                     <p class="para_item">In SOL 1, the SPCFORCE output reflects the effects due to the applied loads only and not the inertial loads. </p>
                  </li>
                  <li>
                     <p class="para_item">In SOLs 101 and 200, the SPCFORCE output includes both the effects due to inertial loads and applied loads. </p>
                  </li>
               </ul>
            </li>
            <li>
               <p class="para_item">The option of PSDF, ATOC, CRMS, and RALL, or any combination of them can be selected for random analysis. The results can be either printed to the .f06 file, punched to the punch file, or output to both files using RPRINT and RPUNCH.</p>
            </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">Output is restricted to REAL format. IMAG, PHASE, PSDF, ATOC and RALL are ignored. </p>
            </li>
            <li>
               <p class="para_item">Output is restricted to ALL or NONE. If set n is specified, single-point forces of constraint for all points will be output. </p>
            </li>
         </ol>
      </div>
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