Location of micro-cracks in plates using time reversed nonlinear Lamb waves

Liu Yaoxin¹, He Aijun³, Liu Jiehui¹, Mao Yiwei¹, Liu Xiaozhou^{1, 2, †}

The schematic diagram of (a) a micro-damaged plate and (b) an intact plate for the analysis of the forward and backward propagations, respectively.