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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: LijieNPIC

Forum: OpenFOAM June 14, 2011, 04:28

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC Morard, thank you very much. Your suggestion is... Morard, thank you very much. Your suggestion is very helpful to me.

Forum: OpenFOAM June 14, 2011, 02:31

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC Hi, morard. I have tried the method how to... Hi, morard. I have tried the method how to average the filed and get statistics. The averaged field is what I want, but from prime2Mean, I can't get Reynolds stresses or Urms

Forum: OpenFOAM June 13, 2011, 20:41

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC I will try the way you told me later, and let you... I will try the way you told me later, and let you know the results

Forum: OpenFOAM June 13, 2011, 10:15

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC I am sorry that maybe my expression is not clear.... I am sorry that maybe my expression is not clear. The total time of my simulation is 59000 time steps, and I sample after 10000 time steps. I sample every 1000 steps, so there are 49 samples....

Forum: OpenFOAM June 13, 2011, 09:05

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC Dejan, I sample after 10000 time steps. So I... Dejan, I sample after 10000 time steps. So I think my simulation should be fully developed. But the results are bad, especially the u'v' or Urms. Besides, the inlet instantaneous velocity differs...

Forum: OpenFOAM June 13, 2011, 07:30

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC How to average use function in controlDict? How to average use function in controlDict?

Forum: OpenFOAM June 13, 2011, 07:29

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC Thanks for your reply, Dejan. Today my simulation... Thanks for your reply, Dejan. Today my simulation complete at 59000 time steps. Then I sample the fields again. I sample very 1000 time steps, and get 49 samples. The average axial velocity also...

Forum: OpenFOAM June 12, 2011, 04:59

Replies: 14 Strange DNS results Views: 2,741 Posted By LijieNPIC Strange DNS results Hi foamers, especially DNSers, I need your help. I have modified channelFoam to perform DNS of pipe flow. L/D=5, D=0.01m, bulk velocity is 0.53m/s, viscosity is 1e-6, so Re based on D is 5300....

Showing results 1 to 8 of 8

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