<div dir="ltr">Hello<div><br></div><div>I implemented an SFD for a 2d cylinder</div><div><br></div><div><a href="https://bitbucket.org/cpraveen/nek5000/src/master/ext_cyl/">https://bitbucket.org/cpraveen/nek5000/src/master/ext_cyl/</a><br>
</div><div><br></div><div>It seems to work but the residuals reduce by about 5 orders of magnitude only. Maybe I am not choosing the parameters correctly. I would like to see how others do it and compare with my own implementation.</div>
<div><br></div><div>Best</div><div>praveen</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Jun 30, 2014 at 1:21 PM, <span dir="ltr"><<a href="mailto:nek5000-users@lists.mcs.anl.gov" target="_blank">nek5000-users@lists.mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi SL<br>
<br>
We have implemented SFD some time ago and we can share the code if you wish. It is probably good to have single tested version of the code than develop number of variations. We've already shared the code with Elia.<br>
Regards<br>
Adam<div class="HOEnZb"><div class="h5"><br>
<br>
<br>
On 27/06/14 17:28, <a href="mailto:nek5000-users@lists.mcs.anl.gov" target="_blank">nek5000-users@lists.mcs.anl.<u></u>gov</a> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Dear Nek's,<br>
<br>
I'm trying to program a Selective Frequency Damping following the article of Akervik et. al (Physics of Fluids, 2006) and some Nek5000 posts.<br>
<br>
I'm able to compile the code, however, when I try to run my simulation, I find the following error message:<br>
<br>
0 0.0000E+00 Write checkpoint:<br>
<br>
0 0.0000E+00 OPEN:<br>
At line 335 of file User/nek5_svn/trunk/nek/<u></u>prepost.f (unit = 24, file = '')<br>
Fortran runtime error: File '' does not exist<br>
<br>
It seems to be something related to param 66. I've tried with p66=6, 0, 1, -1, but I always get the same error.<br>
<br>
Do you know what happens?<br>
<br>
Thanks<br>
SL<br>
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