[Users] Kelvin-Helmholtz instability .par file

[Roland Haas]

Hello Miguel,

this was discussed in today's ET call (see minutes
http://lists.einsteintoolkit.org/pipermail/users/2021-January/007737.html).

Unfortunately no one has a such a parameter file or code around.

The discussion settled on that while such a setup is possible. one
would have to write a simple thorn to set up the correct conditions for
the layered fluids. 2D would need to be mimicked as a pizza-box setup
with 1 zone in the z-direction plus boundary / ghost points. Eg when
using 3 ghost zones (for eg the PPM reconstruction method) one would
have 3 boundary cells, 1 "actual" cell. 

Periodic boundary conditions are supported in the toolkit via the
Periodic thorn.

Yours,
Roland

> Hello everyone, 
> 
> I am trying to run a 2D box simulation in order to develop a Kelvin-Helmholtz instability, but I cannot find any .par file for that. Does anyone have a .par file to run this simulation?
> 
> Thanks so much, 
> 
> Miquel. 
> 
> ####################################################
> Miquel Miravet Tenés, Ph.D. student
> Dept. Astronomia i Astrofísica
> Universitat de València
> C/ Dr. Moliner 50, E46100 Burjassot, València
> Spain
> Phone: + 34 963543081
> email: Miquel.Miravet at uv.es
> ####################################################
> 


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