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      <title>FREEPT</title>
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      <div class="title_refTopic" id="xps10_pagetitle">FREEPT </div>
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      <h4 class="refClassification">Fluid Free Surface Point </h4>
      <p class="para_refTopic">Defines the location of points on the surface of a fluid for recovery of surface displacements in a gravity field. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
         <table border="1" width="100%" align="center">
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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>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">3 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">4 </p>
                  </th>
                  <th align="center" colspan="1" rowspan="1">
                     <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>
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                  <th align="center" colspan="1" rowspan="1">
                     <p class="para_th">10 </p>
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            </thead>
            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">FREEPT </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">IDF </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">IDP1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PHI1 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">IDP2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PHI2 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">IDP3 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">PHI3 </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">
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">FREEPT </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">&nbsp; </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">301 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">22.5 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">302 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">90.0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">303 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">370.0 </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">
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                     <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">IDF </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">RINGFL entry identification number.  (Integer &gt; 0) </p>
                  </td>
               </tr>
               <tr>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">IDPi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Free surface point identification number.  (Integer &gt; 0) </p>
                  </td>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">PHIi </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Azimuthal position on fluid point (RINGFL entry) in the fluid coordinate system.  (Real) </p>
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      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">FREEPT is allowed only if an AXIF entry is also present. </p>
            </li>
            <li>
               <p class="para_item">All free surface point identification numbers must be unique with respect to other scalar, structural, and fluid points. </p>
            </li>
            <li>
               <p class="para_item">The free surface points are used for the identification of output data only. </p>
            </li>
            <li>
               <p class="para_item">Three points may be defined on a single entry. </p>
            </li>
            <li>
               <p class="para_item">The referenced fluid point (IDF) must be included in a free surface list (FSLIST entry). </p>
            </li>
            <li>
               <p class="para_item">Output requests for velocity and acceleration can be made at these points. </p>
            </li>
         </ol>
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