Jian, X., Dixon, S., Guo, N. and Edwards, R. S. (Rachel S.) (2007) Rayleigh wave interaction with surface-breaking cracks. Journal of Applied Physics, Vol.101 (No.6). Article: 064906. doi:10.1063/1.2435803 ISSN 0021-8979.

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Abstract

This paper investigates Rayleigh wave interaction with simulated, surface breaking cracks using a finite element method, in which the scattered wave modes giving rise to the in-plane and out-of-plane displacements are presented. By looking at the contribution from all of the transmitted, reflected, and mode-converted signals at the crack, the magnitude of signal enhancement in the near field and the mechanism by which this occurs can be fully explained. Furthermore, oscillations in the Rayleigh wave reflection and transmission coefficients with crack depth in the far field can be explained by means of multiple reflected and transmitted wave modes at the crack, whose relative amplitudes are dependent on the crack depth. Results agree with previously published experimental measurements.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Journal of Applied Physics
Publisher:	American Institute of Physics
ISSN:	0021-8979
Official Date:	15 March 2007
Dates:	Date Event 15 March 2007 Published
Volume:	Vol.101
Number:	No.6
Number of Pages:	7
Page Range:	Article: 064906
DOI:	10.1063/1.2435803
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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