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      <title>RANDT1</title>
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      <div class="title_refTopic" id="xps10_pagetitle">RANDT1 </div>
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      <h4 class="refClassification">Autocorrelation Function Time Lag </h4>
      <p class="para_refTopic">Defines time lag constants for use in random analysis autocorrelation function calculation. </p>
      <div class="title_refCategory">Format: </div>
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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">9 </p>
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                     <p class="para_th">10 </p>
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                     <p class="para_td">RANDT1 </p>
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                     <p class="para_td">SID </p>
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                     <p class="para_td">N </p>
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                     <p class="para_td">T0 </p>
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                     <p class="para_td">TMAX </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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                     <p class="para_td">&nbsp; </p>
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      <div class="title_refCategory">Example: </div>
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                     <p class="para_td">RANDT1 </p>
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                     <p class="para_td">5 </p>
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                     <p class="para_td">10 </p>
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                     <p class="para_td">3.2 </p>
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                     <p class="para_td">9.6 </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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                     <p class="para_td">&nbsp; </p>
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      <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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                     <p class="para_td">SID </p>
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                     <p class="para_td">Random analysis set identification number.  (Integer &gt; 0) </p>
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                     <p class="para_td">N </p>
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                     <p class="para_td">Number of time lag intervals.  (Integer &gt; 0) </p>
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                     <p class="para_td">T0 </p>
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                     <p class="para_td">Starting time lag.  (Real &ge; 0.0) </p>
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                     <p class="para_td">TMAX </p>
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                     <p class="para_td">Maximum time lag.  (Real &gt; T0) </p>
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      <div class="title_refCategory">Remarks: </div>
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            <li>
               <p class="para_item">Time lag sets must be selected with the Case Control command RANDOM=SID. </p>
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            <li>
               <p class="para_item">At least one RANDPS entry must be present with the same set identification number. </p>
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            <li>
               <p class="para_item">The time lags defined on this entry are given by </p>
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            <li>
               <p class="para_item">See the <em><a class="links" href="javascript:void(0)" onclick="top.popUpPage('QRG/linkInter_target_not_resolved.html#adv_dyn:ref86112:-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">NX Nastran Advanced Dynamic Analysis User&rsquo;s Guide</a></em> for a discussion of random analysis. 
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