David versus Goliath: there is a war between Ukraine and Russia [David contre Goliath: il y a une guerre entre l'Ukraine et la Russie].




Initially, a set of 1715 strictly identical particles is disposed on a bidimensional square lattice. All particles have the same velocity modules when the velocity directions are randomly chosen. The colors of the initial state are chosen according to the russian (right-hand side -East-) and ukrainian (left-hand side -West-) flags respectively.

See the last state of this dynamics.

See the particle trajectories.


See some related dynamics (possibly including this one):




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