Lattice Boltzmann Simulation of Collision between 2D Circular Particles Suspension in Couette Flow

Figure 4

Vorticity contours when 𝑈₀=0.2 m/s.

(a) 𝑡^′=1.5

(b) 𝑡^′=3.0

(c) 𝑡^′=4.0

(d) 𝑡^′=5.3

(e) 𝑡^′=6.6

(f) 𝑡^′=7.0

(g) 𝑡^′=7.4

(h) 𝑡^′=7.8

(i) 𝑡^′=8.2