Longitudinal Guided Wave Inspection of Small-Diameter Elbowed Steel Tubes with a Novel Squirrel-Cage Magnetostrictive Sensor

Figure 3

Simulation results of the UGWs extracted from the locations at both sides of the elbow. (a) Locations of the data extraction sources in the investigated tube. (b) Results extracted from the A circumference. (c, d) Results obtained from the models of the healthy and defective elbows.

(a)

(b)

(c)

(d)