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Showing results 1 to 9 of 9 Search took 0.00 seconds. Search: Posts Made By: canopus

Forum: OpenFOAM Running, Solving & CFD July 2, 2015, 10:58

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus Yes I do use fieldAverage function object and... Yes I do use fieldAverage function object and have UMean file in the time directory for which I run postChannel. I case I just have to wait for large number of flow times!!! I hope you agree to...

Forum: OpenFOAM Running, Solving & CFD July 2, 2015, 09:21

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus Dear Timofey Thanks for your suggestions. I... Dear Timofey Thanks for your suggestions. I already started with uTau for Channel 395 :) on running postChannel -latestTime outputs graphs/ Uf.xy Uf.xy contains U vs y as two columns where y...

Forum: OpenFOAM Running, Solving & CFD June 29, 2015, 14:51

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus Dear Cedric I will check the postChannel. ... Dear Cedric I will check the postChannel. But just a thought - As long as the velocity values correspond to the wall normal values it should not matter whether it is face center or cell center...

Forum: OpenFOAM Running, Solving & CFD June 26, 2015, 09:48

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus Dear Cedric seems like some light at end of... Dear Cedric seems like some light at end of tunnel.. can you please elaborate -

Forum: OpenFOAM Running, Solving & CFD June 26, 2015, 05:32

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus @ Cedric how did you compute the u+ vs y+ log... @ Cedric how did you compute the u+ vs y+ log plot in your first poset of thread? Can you please elaborate a bit? I suspect that there is a stupid mistake in my post processing. :o

Forum: OpenFOAM Running, Solving & CFD June 26, 2015, 04:52

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus @Cedric thanks for your prompt response. ... @Cedric thanks for your prompt response. Dividing the channel length by friction velocity kind of gives flow through time 5. Of course one can also use bulk velocity and compute a flow through...

Forum: OpenFOAM Running, Solving & CFD June 26, 2015, 02:55

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus @Cedric Thanks again for your comments! The... @Cedric Thanks again for your comments! The flow through is 5 time based on u_Tau and is less I know. Do you think that its going to improve with more flow throughs? postChannel utility I...

Forum: OpenFOAM Running, Solving & CFD June 25, 2015, 09:10

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus Dear Cedric Thanks for taking your time out! ... Dear Cedric Thanks for taking your time out! The details of the LES are as follows Domain 8h X 2h X 8h (x y z where x is streamwise, y normal and z spanwise) Reason for having large z is...

Forum: OpenFOAM Running, Solving & CFD June 24, 2015, 11:42

Replies: 220 LES of turbulent channel flows Views: 62,299 Posted By canopus unable to get log law in LES Hi, I am doing a LES of channel flow using cyclic boundary conditions and mentioning ubar in fvOptions stretched mesh with SR=1.15 first point y+ < 1 and smagorinsky without any wall function...

Showing results 1 to 9 of 9

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