Response features of nonlinear circumferential guided wave on early damage in inner layer of a composite circular tube

Li Ming-Liang¹, Liu Liang-Bing¹, Gao Guang-Jian¹, Deng Ming-Xi^{1, †}, Hu Ning¹, Xiang Yan-Xun^{2, ‡}, Zhu Wu-Jun²

Displacement amplitudes of some DFCGW modes on outer surface of CCT: (a) radial component, (b) circumferential component.