Lamb waves topological imaging combining with Green’s function retrieval theory to detect near filed defects in isotropic plates
Zhang Hui1, Zhang Hai-Yan1, †, Xu Meng-Yun1, Fan Guo-Peng1, Zhu Wen-Fa1, Chai Xiao-Dong2
       

Residuals of (a) Figs. 6(a) and 7(a), and (b) Figs. 6(b) and 7(b).