[Nek5000-users] Nek5000 simulations of High Re flows ~ 10^5

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

Hi,
what type of problems do you have? Are you looking at a 3D geometry? Do 
you get wiggles, which then lead to a blow up?

Best,
Philipp

On 2016-03-15 20:26, nek5000-users at lists.mcs.anl.gov wrote:
> Hello all,
>
> I was wondering if anyone on the mailing list has experience with
> simulating high Re flows of the order 10^5. I'm studying flow
> instabilities over airfoils and have been struggling to obtain a stable
> simulation for these high Re flows.
>
> Its worthwhile to note that I have simulated low Re flows using
> identical geometries. Making the mesh finer or increasing the order of
> the method does not seem to be doing the trick. The simulations usually
> diverge after something like 5 seconds of flow time.
>
> If there are any specific conditions/settings that I should be looking
> at, I'd really appreciate the information.
>
> Thanks,
> --
>
> *Amitvikram Dutta*
>
> *MASc Candidate**
> *
>
> *Graduate Research Assistant *
>
> *Okanagan CFD Laboratory*
>
> *University of British Columbia | Okanagan Campus***
>
>
>
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