[Nek5000-users] Generating Turbulence

[nek5000-users at lists.mcs.anl.gov]

Dear Nek5000-users,

Could you please help me to solve my problem? My geometry is axisymmetric with the following dimensions (R=0.01 m, L=10 R).  Well, I did DNS and got something indicating turbulence which is consistent with experiments. However, once I increase either the spatial and/or temporal resolution even a little bit, the flow is laminarized completely.

Any help would be greatly appreciated

Ali




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