The Revelation of Sonmi 451 скачать в хорошем качестве

The Revelation of Sonmi 451

An annular domain combines both convex and concave boundaries, which generate respectively regular and chaotic dynamics. There are, in fact, two kinds of trajectories: those colliding only with the outer boundary behave just like for the billiard in a circle, while those colliding with both circles are dispersed more - though conservation of angular momentum prevents them from being chaotic. For waves, the separation between both dynamics is not so clear, but one can see traces of it early in the simulation. Music: "Arps Solina", by Mylar Melodies‪@mylarmelodies‬ The simulation solves the wave equation with a little bit of "elasticity" (a harmonic restoring force). The algorithm is adapted from this paper: https://hplgit.github.io/fdm-book/doc... Current version of the C code used to make these animations: https://github.com/nilsberglund-orlea... https://www.idpoisson.fr/berglund/sof... Many thanks to my colleague Marco Mancini for helping me to accelerate my code! Why don't some of you try some other billiard shapes, parameter values and colors, and post the results on YouTube? Here is an example:    • Poisson's Spot   You may be interested in some science outreach articles: https://images.math.cnrs.fr/_Berglund...