Nondestructive Testing of Metallic Cables Based on a Homogenized Model and Global Measurements

Figure 7

(a) plot of 𝐹 for 𝑓 = 0.1 Hz as a function of 𝑎 shifted by −1.97885562⋅10⁻⁶ (b) the corresponding 𝑙(𝑎) (optimal 𝑎=0.0010 m, 𝑏=0.0015 m).

(a)

(b)