One of the ways to go about this would be to use the history points option. You would get your instantaneous velocity and pressure ields at certain timesteps written into a history file<br><br><div class="gmail_quote"><div dir="ltr">On Wed, Feb 21, 2018, 4:53 PM <<a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex" id="gmail_block_quote0">
<div lang="EN-US" link="#0563C1" vlink="#954F72">
<div class="m_1571765611841240792WordSection1">
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Hello,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Thank you for the reply. I am aware of those lines are intended for time-averaging. I was wondering if anyone could teach me how to generate the instantaneous velocity field<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">in a similar pattern like the following:<u></u><u></u></span></p></div></div><div lang="EN-US" link="#0563C1" vlink="#954F72"><div class="m_1571765611841240792WordSection1">
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black"> open(unit=56,file='vel_fluc_prof.dat')<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black"> write(56,'(A,1pe14.7)') '#time = ', time<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black"> write(56,'(A)')<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:black"> & '# y y+ uu vv ww uv'</span>
<u></u><u></u></p>
</div></div><div lang="EN-US" link="#0563C1" vlink="#954F72"><div class="m_1571765611841240792WordSection1"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Thanks a lot,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Tim<u></u><u></u></span></p>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">
<hr size="2" width="100%" noshade style="color:black" align="center">
</span></div></div></div><div lang="EN-US" link="#0563C1" vlink="#954F72"><div class="m_1571765611841240792WordSection1">
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">this is not really instantaneous data, but rather statistics. Then you
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">would need to run some kind of averaging (in time, space etc.) and
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">proper postprocessing afterwards, which strongly depends on the actual
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">flow case. I am sure that there are people in this group that have done
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">this type of analysis for a variety of flow cases/geometries.<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div></div><div lang="EN-US" link="#0563C1" vlink="#954F72"><div class="m_1571765611841240792WordSection1"></div>
</div>
_______________________________________________<br>
Nek5000-users mailing list<br>
<a href="mailto:Nek5000-users@lists.mcs.anl.gov" target="_blank">Nek5000-users@lists.mcs.anl.gov</a><br>
<a href="https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users" rel="noreferrer" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users</a><br>
</blockquote></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p dir="ltr"><b><font color="#000033">Amitvikram Dutta</font></b></p>
<p dir="ltr">Graduate Research Assistant</p>
<p dir="ltr">Fluid Mechanics Research Lab</p><p>Multi-Physics Interaction Lab</p>
<p dir="ltr">University of Waterloo</p>
</div></div>