Numerical Study on Crack Propagation by Using Softening Model under Blasting

Table 1

Dynamic parameters of PMMA [26].

(g·cm^−3)	(Gpa)	(Gpa)	(Gpa)	(m·s^−1)	(m·s^−1)
1.187	6.1	5.35	2.328	2320	1260	0.31