Damage Detection in CFRP Plates Using Spectral Entropy

Table 1

Properties of the CFRP plate.

Side (a) length	85 cm
Side (b) length	65 cm
Longitudinal Young’s moduli	1.50×10^11 Pa
Transversal Young’s moduli	1.15×10^10 Pa
Poisson’s ration	0.42
Shear moduli	5.0×10^9 Pa
Density	1560 kg/m^3
Mass	4.75 kg
Layer thickness	0.188 mm
Number of layers	12
Stacking sequence	[0/90]3S