Guided Wave Energy Transfer in Composite Sandwich Structures and Application to Defect Detection

Figure 7

Energy response in the top and bottom laminate skins for both healthy and delaminated plates for excitation frequencies of (a) 15 kHz, (b) 40 kHz, (c) 60 kHz, (d) 80 kHz, (e) 100 kHz, and (f) 150 kHz.

(a)

(b)

(c)

(d)

(e)

(f)