Quantitative damage imaging using Lamb wave diffraction tomography

Zhang Hai-Yan^{1, †,}, Ruan Min¹, Zhu Wen-Fa^{1, 2, ‡,}, Chai Xiao-Dong²

Scattered S0 and A0 Lamb wave data of four damage cases in Fig. 6 for different incident directions θ_i, panels (a), (c), (e), (g): S0 mode; panels (b), (d), (f), (h): A0 mode.