The anisotropy of free path in a vibro-fluidized granular gas

Mei Yifeng¹, Chen Yanpei^{1, †,}, Wang Wei¹, Hou Meiying²

The spatial profiles of local free path λ, for (a) e = 0.99 and (b) e = 0.9. Other parameters are L_x = L_y = 300, N = 1000, V_driven = 5.