[FLASH-USERS] Homogenoues Isotropic Turbulence using StirTurb case

Akash Rodhiya ar8303 at nyu.edu
Sun Feb 4 10:08:16 EST 2024


Hello Adam,

Thanks for the flash publication list. I have got some examples to follow
up on this.

Regards,
Akash Rodhiya

On Thu, Feb 1, 2024 at 5:23 AM Reyes, Adam <adam.reyes at rochester.edu> wrote:

> Hi Akash,
>
> I believe if you setup that problem as described it will use an explicit
> constant viscosity. You can search the FLASH publications
> <https://flash.rochester.edu/site/publications/flash_pubs.shtml> for the
> work by Christoph Federrath if you want to read more about the work in
> driven turbulence that has been done with that unit.
> *********************************************
> Adam Reyes
>
> [image: FLASH.jpg]
> Code Group Leader, Flash Center for Computational Science
> Research Scientist, Dept. of Physics and Astronomy
> University of Rochester
> River Campus: Bausch and Lomb Hall, 369
> 500 Wilson Blvd. PO Box 270171, Rochester, NY 14627
> Email adam.reyes at rochester.edu
> Web https://flash.rochester.edu
>  (he / him / his)
> [image: FLASH-pride-sml.png]
>
> *********************************************
>
>
>
> On Jan 30, 2024, at 5:13 PM, Akash Rodhiya <ar8303 at nyu.edu> wrote:
>
> Hello everyone,
>
> I am planning to use Flash for the Homogenoues Isotropic Turbulence. In
> the Hydrodynamic test problems under *The Supplied Test Problems, *I saw
> section 34.1.9: Driven Turbulence "StirTurb" in the Flash user guide.
>
> I thought of using it, but I doubt whether it solves Navier-Stokes with
> diffusion term. Because in chapter 14: Hydrodynamics units, the
> guide mentions that "The Hydro unit solves Euler's equations for
> compressible gas dynamics...".
>
> Has anyone used Flash for incompressible pure hydrodynamic problems? Can
> flash be used for the Homogenous Isotropic turbulence problem? Please let
> me know if I can provide additional information for the issue mentioned.
>
> Thanks and regards,
> Akash Rodhiya
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