2D finite element modeling of the non-collinear mixing method for detection and characterization of closed cracks

Blanloeuil, P., Meziane, A. and Bacon, C. (2015) 2D finite element modeling of the non-collinear mixing method for detection and characterization of closed cracks. NDT and E International, 76 43-51. doi:10.1016/j.ndteint.2015.08.001


Author Blanloeuil, P.
Meziane, A.
Bacon, C.
Title 2D finite element modeling of the non-collinear mixing method for detection and characterization of closed cracks
Journal name NDT and E International   Check publisher's open access policy
ISSN 0963-8695
1879-1174
Publication date 2015-12-11
Year available 2015
Sub-type Article (original research)
DOI 10.1016/j.ndteint.2015.08.001
Open Access Status Not Open Access
Volume 76
Start page 43
End page 51
Total pages 9
Place of publication Camden, London, United Kingdom
Publisher Elsevier
Collection year 2016
Language eng
Formatted abstract
The non-collinear mixing technique is applied for detection and characterization of closed cracks. The method is based on the nonlinear interaction of two shear waves generated with an oblique incidence, which leads to the scattering of a longitudinal wave. A Finite Element model is used to demonstrate its application to a closed crack. Contact acoustic nonlinearity is modeled using unilateral contact law with Coulomb׳s friction. The method is shown to be effective and promising when applied to a closed crack. Scattering of the longitudinal wave also enables us to image the crack, giving its position and size
Keyword Closed crack
Contact acoustic nonlinearity
Finite element method
Non colinear mixing
Nonlinear acoustics
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2016 Collection
 
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