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Title: Numerical and experimental investigation of nonlinear ultrasonic Lamb waves at low frequency
Authors: Zuo, Peng
Zhou, Yu
Fan, Zheng
Keywords: Nonlinear waves
Sound discrimination
Issue Date: 2016
Source: Zuo, P., Zhou, Y., & Fan, Z. (2016). Numerical and experimental investigation of nonlinear ultrasonic Lamb waves at low frequency. Applied Physics Letters, 109(2), 021902-.
Series/Report no.: Applied Physics Letters
Abstract: Nonlinear ultrasonic Lamb waves are popular to characterize the nonlinearity of materials. However, the widely used nonlinear Lamb mode suffers from two associated complications: inherent dispersive and multimode natures. To overcome these, the symmetric Lamb mode (S0) at low frequency region is explored. At the low frequency region, the S0 mode is little dispersive and easy to generate. However, the secondary mode still exists, and increases linearly for significant distance. Numerical simulations and experiments are used to validate the nonlinear features and therefore demonstrate an easy alternative for nonlinear Lamb wave applications.
ISSN: 0003-6951
DOI: 10.1063/1.4958705
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2016 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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