Lamb waves propagation in elastic plane layers with a joint strip.

Abstract:

:The Lamb waves are used for the ultrasonic characterization of welds because of their relative long-range propagation. In this paper, a simplified model of a weld-strip between two identical semi-infinite elastic layers is investigated. The reflected and transmitted ultrasonic fields are expressed by modal series whose coefficients are obtained by application of orthogonality relation. Comparisons with solutions obtained by finite elements wave propagation simulations are made. The energy balance between the incident and the scattered waves is also used to verify the accuracy of the obtained modal amplitudes.

journal_name

Ultrasonics

journal_title

Ultrasonics

authors

Predoi MV,Rousseau M

doi

10.1016/j.ultras.2004.11.004

subject

Has Abstract

pub_date

2005-06-01 00:00:00

pages

551-9

issue

7

eissn

0041-624X

issn

1874-9968

pii

S0041-624X(04)00308-7

journal_volume

43

pub_type

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