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

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

can you send me a picture of that, perhaps off-list? (pschlatt at mech.kth.se).
Thanks,
Philipp

On 2016-03-16 16:04, nek5000-users at lists.mcs.anl.gov wrote:
> 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
> <mailto: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
>     <mailto: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***
>      >
>      >
>      >
>      > _______________________________________________
>      > Nek5000-users mailing list
>      > Nek5000-users at lists.mcs.anl.gov
>     <mailto:Nek5000-users at lists.mcs.anl.gov>
>      > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>      >
>     _______________________________________________
>     Nek5000-users mailing list
>     Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>
>     https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>
> --
>
> *Amitvikram Dutta*
>
> *MASc Candidate**
> *
>
> *Graduate Research Assistant *
>
> *Okanagan CFD Laboratory*
>
> *University of British Columbia | Okanagan Campus***
>
>
>
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>