Numerical Simulation on Cutting and Fracturing of Rock Plate with One Side Fixed and Three Sides Free

Figure 22

Cutting process of sandstone-1 with width of 400, height of 120 mm, and thickness of 20 mm: (a) initial element failure, (b) main crack formation, (c) crack propagation, and (d) crack connection.

(a)

(b)

(c)

(d)