Non-destructive evaluation of isotropic plate structures by means of mode filtering in the frequency-wavenumber domain

Frederick A.F. Purcell,Mark Eaton,Matthew Pearson,Rhys Pullin

Mechanical Systems and Signal Processing（2020）

引用 6|浏览6

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摘要

•Multi frequency steady state Lamb wave excited in plate structure.•Response map measured by Doppler laser Vibrometer.•Filtered in frequency wavenumber domain with mode filter calculated around specific thickness.•Thickness map calculated from Mode filter the maximises energy at given point.

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关键词

Wavenumber,Spectroscopy,Lamb waves,Mode filtering,Damage detection,NDT

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