Waveform inversion for wavenumber extraction and waveguide characterization using ultrasonic Lamb waves

Honglei Chen,Feiyao Ling,Wujun Zhu,Di Sun,Xiaoyu Liu,Ying Li,Dan Li,Kailiang Xu,Zenghua Liu,Dean Ta

Measurement（2023）

引用 3|浏览26

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摘要

•A genetic algorithms-based waveform inversion method is developed for wavenumber extraction of one Lamb wave signal.•The plate properties are identified with the chromosome of searched individual.•The elastic formula of Lamb waves is solved via the bisection method to derive the wavenumber curves.

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关键词

Ultrasonic Lamb waves,Inversion problem,Wavenumber dispersion,Quantitative ultrasound,Waveguide characterization

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