Interaction of Lamb Wave Modes with Weak Material Nonlinearity: Generation of Symmetric Zero-Frequency Mode

Interaction of Lamb Wave Modes with Weak Material Nonlinearity: Generation of Symmetric Zero-Frequency Mode

The symmetric zero-frequency mode induced by weak material nonlinearity during Lamb wave propagation is explored for the first time. We theoretically confirm that, unlike the second harmonic, phase-velocity matching is not required to generate the zero-frequency mode and its signal is stronger than...

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Bibliographic Details
Main Authors: Xiaoqiang Sun, Xiangyan Ding, Feilong Li, Shijie Zhou, Yaolu Liu, Ning Hu, Zhongqing Su, Youxuan Zhao, Jun Zhang, Mingxi Deng
Format: Article
Language:English
Published: MDPI AG 2018-07-01
Series:Sensors
Subjects:
structural health monitoring
nonlinear Lamb waves
zero-frequency mode
Online Access:http://www.mdpi.com/1424-8220/18/8/2451

Internet

http://www.mdpi.com/1424-8220/18/8/2451

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