Theoretical foundations of ultrasonic nondestructive testing of multilayer articles manufactured from composites with rubbery coatings: II. Scattering of elastic waves at flaws involving poorly glued joints between plastic layers and between a plastic layer and a rubbery coating

2006 ◽  
Vol 42 (12) ◽  
pp. 780-789 ◽  
Author(s):  
O. N. Budadin ◽  
I. A. Potapov
Keyword(s):  
Nondestructive Testing ◽  
Elastic Waves ◽  
Plastic Layer ◽  
Ultrasonic Nondestructive Testing ◽  
Scattering Of Elastic Waves ◽  
Theoretical Foundations ◽  
Glued Joints

Fast and slow interaction of elastic waves with platonic clusters

2011 ◽  
Vol 467 (2136) ◽  
pp. 3509-3529 ◽  
Author(s):  
Michael H. Meylan ◽  
Ross C. McPhedran
Keyword(s):  
Elastic Waves ◽  
Early Time ◽  
Approximate Solutions ◽  
Wave Profile ◽  
Flexural Wave ◽  
Flexural Waves ◽  
Analytical Extension ◽  
Scattering Of Elastic Waves ◽  
Classical Models ◽  
The Time Domain

We study the scattering of elastic waves by platonic clusters in the time domain, both for plane wave excitations and for a specified initial wave profile. We show that we can use an analytical extension of our problem to calculate scattering frequencies of the solution. These allow us to calculate approximate solutions that give the flexural wave profile accurately in and around the cluster for large times. We also discuss the early-time behaviour of flexural waves in terms of the classical models of Sommerfeld and Brillouin.

Scattering of elastic waves by localized anisotropic inclusions

1990 ◽  
Vol 87 (6) ◽  
pp. 2300-2309 ◽  
Author(s):  
Ari Ben‐Menahem ◽  
Richard L. Gibson
Keyword(s):  
Elastic Waves ◽  
Scattering Of Elastic Waves
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