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

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

Hi Philipp,

My Geometry is a 2D C Grid of a NACA airfoil. And yes, wiggles leading to a
blow up are exactly how I would describe my problems.

Sincerely,

On Wed, Mar 16, 2016, 7:47 AM <nek5000-users at lists.mcs.anl.gov> wrote:

> 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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> > Nek5000-users at lists.mcs.anl.gov
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> >
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-- 

*Amitvikram Dutta*

*MASc Candidate*

*Graduate Research Assistant *

*Okanagan CFD Laboratory*

*University of British Columbia | Okanagan Campus*
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