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      <title>QHBDY</title>
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      <div class="title_refTopic" id="xps10_pagetitle">QHBDY </div>
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      <h4 class="refClassification">Boundary Heat Flux Load </h4>
      <p class="para_refTopic">Defines a uniform heat flux into a set of grid points. </p>
      <div class="title_refCategory">Format: </div>
      <div class="refCategoryContent">
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                     <p class="para_th">1 </p>
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                     <p class="para_th">2 </p>
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                     <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>
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                     <p class="para_th">10 </p>
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">QHBDY </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">SID </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">FLAG </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">Q0 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">AF </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G1 </p>
                  </td>
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                     <p class="para_td">G2 </p>
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                     <p class="para_td">G3 </p>
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                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">G4 </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">G5 </p>
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                     <p class="para_td">G6 </p>
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                     <p class="para_td">G7 </p>
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                     <p class="para_td">G8 </p>
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                  <td align="center" bgcolor="gray" 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">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Example: </div>
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                     <p class="para_td">QHBDY </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">AREA4 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">20.0 </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">101 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">102 </p>
                  </td>
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                     <p class="para_td">104 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">103 </p>
                  </td>
                  <td align="center" colspan="1" rowspan="1">
                     <p class="para_td">&nbsp; </p>
                  </td>
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         </table><br></div>
      <div class="title_refCategory">Fields:</div>
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                     <p class="para_th"><b class="uiTerm">Field </b></p>
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                     <p class="para_th"><b class="uiTerm">Contents </b></p>
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            <tbody>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">SID </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Load set identification number.  (Integer &gt; 0) </p>
                  </td>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">FLAG </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Type of face involved (must be one of the following:  &ldquo;POINT&rdquo;, &ldquo;LINE&rdquo;, &ldquo;REV&rdquo;, &ldquo;AREA3&rdquo;, &ldquo;AREA4&rdquo;, &ldquo;AREA6&rdquo;, &ldquo;AREA8&rdquo;) </p>
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                     <p class="para_td">Q0 </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Magnitude of thermal flux into face.  Q0 is positive for heat into the surface.  (Real) </p>
                  </td>
               </tr>
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                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">AF </p>
                  </td>
                  <td align="left" colspan="1" rowspan="1" valign="top">
                     <p class="para_td">Area factor depends on type.  (Real &gt; 0.0 or blank) </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 of connected grid points.  (Integer &gt; 0 or blank) </p>
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         </table><br></div>
      <div class="title_refCategory">Remarks: </div>
      <div class="refCategoryContent">
         <ol type="1" start="1">
            <li>
               <p class="para_item">The continuation entry is optional. </p>
            </li>
            <li>
               <p class="para_item">For use in steady state analysis, the load set is selected in the Case Control Section (LOAD=SID). </p>
            </li>
            <li>
               <p class="para_item">In transient analysis SID is referenced by a TLOADi Bulk Data entry through the DAREA entry.  A function of time  defined on the TLOADi entry multiplies the general load.   specifies time delay.  The load set identifier on the TLOADi entry must be selected in Case Control (DLOAD=SID) for use in transient analysis.  If multiple types of transient loads exist, they must be combined by the DLOAD Bulk Data entry. </p>
            </li>
            <li>
               <p class="para_item">The heat flux applied to the area is transformed to loads on the points.  These points need not correspond to an HBDY surface element. </p>
            </li>
            <li>
               <p class="para_item">The flux is applied to each point i by the equation </p>
               <p align="center"><img align="bottom" src="graphics/bulkqrs-equ05.gif"></p>
            </li>
            <li>
               <p class="para_item">The number of connected points for the types are 1 (POINT), 2 (LINE, REV), 3 (AREA3), 4 (AREA4), 4-6 (AREA6), 5-8 (AREA8). </p>
            </li>
            <li>
               <p class="para_item">The area factor AF is used to determine the effective area for the POINT and LINE types.  It equals the area and effective width, respectively.  It is not used for the other types, which have their area defined implicitly and must be left blank. </p>
            </li>
            <li>
               <p class="para_item">The type of face (FLAG) defines a surface in the same manner as the CHBDYi data entry.  For physical descriptions of the geometry involved, see the CHBDYG discussion. </p>
            </li>
         </ol>
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