Articles | Volume 17, issue 1
https://doi.org/10.5194/ms-17-167-2026
https://doi.org/10.5194/ms-17-167-2026
Research article
 | 
03 Mar 2026
Research article |  | 03 Mar 2026

Physics- and hardware-aware frequency pair selection for deployment-ready nonlinear Lamb wave mixing

Ting You and Peijiang Li

Cited articles

Abuassal, A., Kang, L., Martinho, L., Kubrusly, A., Dixon, S., Smart, E., Ma, H., and Sanders, D.: A review of recent advances in unidirectional ultrasonic guided wave techniques for nondestructive testing and evaluation, Sensors, 25, 1050, https://doi.org/10.3390/s25041050, 2025. a
Aslam, M. and Lee, J.: Nonlinear guided wave mixing in weld joints for detection of material nonlinearity, Thin-Walled Structures, 205, 112428, https://doi.org/10.1016/j.tws.2024.112428, 2024. a
Cawley, P.: Guided waves in long range nondestructive testing and structural health monitoring: Principles, history of applications and prospects, NDT & E International, 142, 103026, https://doi.org/10.1016/j.ndteint.2023.103026, 2024. a
Gao, G., Li, D., Shi, D., and Dong, J.: Detection on fatigue crack of aluminum alloy plate based on modulation nonlinear Lamb waves and time reversal method, Procedia Engineering, 29, 1373–1377, https://doi.org/10.1016/j.proeng.2012.01.143, 2012. a
Ghodousi, M. and Lissenden, C.: Lamb-like wave mixing in aluminum plate to assess material degradation, in: Proc. SPIE Smart Structures + Nondestructive Evaluation, vol. 13437, SPIE, Bellingham, WA, https://doi.org/10.1117/12.3051590, 2025. a
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Short summary
Very small cracks are hard to detect because their signals are easily obscured by noise and practical measurement limits. This work introduces a physics-based strategy that links wave behaviour with instrument performance to guide excitation selection. Experiments demonstrate earlier and more consistent crack detection, offering a practical solution for more reliable structural health monitoring.
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