FlowKit Ltd.: 3D Kelvin-Helmholtz instability with lattice Boltzmann

This video displays the results of a simulation of a 3D Kelvin-Helmholtz instability.
The aim is to compute the pattern of the interface between the fluids.
This is done first through a continuum advection equation, and then by injecting discrete particles.
Due to the numerical diffusion in the continuum equation, much sharper figures are obtained with the particles.

More at:

www.palabos.org/features/gallery/54-kelvin-helmhol…

The Reynolds number is 7'500, and the total number of grid points is 134'217'728.
This simulation has been conducted with the open source software library Palabos:

www.palabos.org/
www.flowkit.com/

Palabos is massively parallel, and scales excellently up to thousands of processors.
Without massive parallelism a task of this size would not be feasible.