Paper Title:
Damage Localization on Two-Dimensional Structure Based on Wavelet Transform and Active Lamb Wave-Based Method
  Abstract

Damage characterization was carried out by comparing single mode sensor signals collected before and after the damage event. By subtracting the signals of both conditions from each other, a scatter signal is produced which can be used for damage localization. By using Gabor wavelet to analyze single mode Lamb wave recorded before damage and scatter signal, the difference of time-of-flight can be obtained. Combining with the ellipse technique, the localization experiment on fiberglass plate of dimension 100×100×2mm is completed.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
2119-2122
DOI
10.4028/www.scientific.net/MSF.475-479.2119
Citation
G. Peng, S. F. Yuan, "Damage Localization on Two-Dimensional Structure Based on Wavelet Transform and Active Lamb Wave-Based Method", Materials Science Forum, Vols. 475-479, pp. 2119-2122, 2005
Online since
January 2005
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$32.00
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