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- W2000822415 abstract "Lamb waves have shown great potential for structural health monitoring (SHM) in plate-like structures. Their attractive features include sensitivity to a variety of damage types and the capability of traveling relatively long distance. However, Lamb waves are dispersive and multimodal. Moreover, the propagating Lamb waves may include incident, reflected and converted waves. Various wave modes make the interpretation of Lamb wave signal very difficult. This paper presents studies on Lamb wave propagation using frequency-wavenumber analysis. By using two-dimensional Fourier transform (2-D FT), the time-space wavefield can be transformed into frequency-wavenumber domain, where various wave modes and waves propagating in different directions can be clearly discerned. By a frequency-wavenumber filtering strategy, the desired wave modes or wave propagation at certain direction can be extracted and further utilized for the purpose of SHM. The frequency-wavenumber analysis and its applications to Lamb wave SHM ar..." @default.
- W2000822415 created "2016-06-24" @default.
- W2000822415 creator A5043313332 @default.
- W2000822415 creator A5043884872 @default.
- W2000822415 date "2013-01-01" @default.
- W2000822415 modified "2023-09-23" @default.
- W2000822415 title "Lamb wave structural health monitoring using frequency-wavenumber analysis" @default.
- W2000822415 cites W1984749989 @default.
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- W2000822415 doi "https://doi.org/10.1063/1.4789062" @default.
- W2000822415 hasPublicationYear "2013" @default.
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