A Modified Strain-Rate-Dependent Spring-Mass Model for Response Prediction of Composite Laminates Subjected to Low-Velocity Impact

Table 2

Lamina properties of the laminate specimen.

E11				V23	ρ	h	me
120 GPa	7.8 GPa	5.4 GPa	0.28	0.45	1530 kg/m^3	0.2 mm	0.052