A Hybrid Structural Health Monitoring System for the Detection and Localization of Damage in Composite Structures

Figure 6

Illustration of constructing ellipses: (a) one possible location of damage, (b) all possible locations of damage, construction of one ellipse, (c) procedure repeated for both fixed velocities, construction of a ring for one combination of PZT and FBG, and (d) the important variables used.

(a)

(b)

(c)

(d)