[Nek5000-users] pipe turbulence

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Mon Dec 11 12:31:03 CST 2017


ZJ,

did you look at the pipe example in Nek5000? I believe you have to add an initial perturbation to trigger the turbulent flow. What type of boundary conditions are you using?

Marco

> On Dec 11, 2017, at 1:25 PM, nek5000-users at lists.mcs.anl.gov wrote:
> 
> Hi Nek,
> 
> For the single phase pipe flow, I set bulk reynolds number equals to 25000, but still no turbulence in the pipe after running for over 10,000 timesteps. Is there anyone know what's going on the pipe.
> 
> Best wishes,
> 
> ZJ
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