<div dir="ltr">Hi Neks,<br><div><br></div><div class="gmail_signature">I have read many entries in the archives regarding the way to calculate instantaneous fluctuations in velocity field, but I'm still unsure of the last steps to archive this.</div><div class="gmail_signature"><br></div><div class="gmail_signature">I understand that this is the workflow:<br></div><div class="gmail_signature"><br></div><div>1) Running a case and call avg_all in usrchk() to get avg (<u_i>), rms (<u_i*u_i>) and rm2 (<u_i*u_j>) files.</div><div><br></div>2) Create a file with .list extension to load in post-processing mode these results with this format:<div class="gmail_signature" style="margin-left:40px"><br></div><div class="gmail_signature" style="margin-left:40px">-------------------------<br></div><div class="gmail_signature" style="margin-left:40px"><number of files></div><div class="gmail_signature" style="margin-left:40px">avg***0.f00001</div><div class="gmail_signature" style="margin-left:40px">avg***0.f00002</div><div class="gmail_signature" style="margin-left:40px">.</div><div class="gmail_signature" style="margin-left:40px">.</div><div class="gmail_signature" style="margin-left:40px">.<br></div><div class="gmail_signature" style="margin-left:40px">avg***0.f******<br></div><div class="gmail_signature" style="margin-left:40px">-------------------------<br></div><div class="gmail_signature"><br></div><div class="gmail_signature">3) Set NSTEPS = 0 to enable post-processing mode.</div><div class="gmail_signature"><br></div><div class="gmail_signature">4) Load in usrchk() the avg_all files with 'load_fld'.</div><div class="gmail_signature"><br></div><div class="gmail_signature">5) Calculate u_i' = u_i - <u_i><br></div><div class="gmail_signature"><br></div><div class="gmail_signature">6) Output the fluctuation fields <br></div><div class="gmail_signature" style="margin-left:40px">call outpost(vx',vy',vz',pr,t,'***')</div><div><br></div><div><br></div><div>How should I perform the 4th and 5th steps?<br></div><div class="gmail_signature"><br></div><div class="gmail_signature"><br></div><div class="gmail_signature"><br></div><div class="gmail_signature">Best regards,<br></div><div class="gmail_signature"><div dir="ltr"><b><br></b></div><div dir="ltr"><b>Nicolás</b></div></div><div>
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