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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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Detalhes bibliográficos
Main Authors: Xiaoqiang Sun, Xiangyan Ding, Feilong Li, Shijie Zhou, Yaolu Liu, Ning Hu, Zhongqing Su, Youxuan Zhao, Jun Zhang, Mingxi Deng
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI AG 2018-07-01
Colecção:Sensors
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Acesso em linha:http://www.mdpi.com/1424-8220/18/8/2451
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