Parametric study of the clustering transition in vibration driven granular gas system
Wu Qi-Lin1, 2, Hou Mei-Ying3, Yang Lei1, Wang Wei1, 2, Yang Guang-Hui1, Tao Ke-Wei1, Chen Liang-Wen1, Zhang Sheng1, †
       

(a) A schematic diagram of the simulation system. The volume of the system is V = Lx × 30 × 30 mm3, in which two pistons oscillate in amplitude A and frequency f. Different colors are used to indicate the Voronoi volume fraction ϕlocal of each particle. (b) A slice (1 mm thickness) chosen in (a).