A Methodological Review of Piezoelectric Based Acoustic Wave Generation and Detection Techniques for Structural Health Monitoring
Figure 29
Combined use of piezoelectric actuator and laser vibrometer for SHM of aerospace composite structures. Composite plate and experimental setup used in active impact damage detection investigations (a) and Lamb wave amplitude in the in-plane x-direction (b), in the in-plane y-direction (c), and in the out-of-plane z-direction (d) [23].
