Experimental and Numerical Simulation of Coal Rock Impact Energy Index Based on Peridynamics

Figure 3

Stress-strain curves of different specimens from elastic energy (t) tests. (a) CS-t, (b) XS-t, (c) NY-t, (d) 1M-t, and (e) 4M-t.

(a)

(b)

(c)

(d)

(e)