Lamb Wave Local Wavenumber Approach for Characterizing Flat Bottom Defects in an Isotropic Thin Plate

Lamb Wave Local Wavenumber Approach for Characterizing Flat Bottom Defects in an Isotropic Thin Plate

This paper aims to use the Lamb wave local wavenumber approach to characterize flat bottom defects (including circular flat bottom holes and a rectangular groove) in an isotropic thin plate. An air-coupled transducer (ACT) with a special incidence angle is used to actuate the fundamental anti-symmet...

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Bibliographic Details
Main Authors: Guopeng Fan, Haiyan Zhang, Hui Zhang, Wenfa Zhu, Xiaodong Chai
Format: Article
Language:English
Published: MDPI AG 2018-09-01
Series:Applied Sciences
Subjects:
Lamb wave
local wavenumber
air-coupled transducer
wavenumber domain filtering
hybrid and non-contact system
Online Access:http://www.mdpi.com/2076-3417/8/9/1600

Internet

http://www.mdpi.com/2076-3417/8/9/1600

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