Rayleigh Wave Scattering from Three Dimensional Surface Slots and Semi-Circular Depressions
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
Rayleigh wave based NDE methods have been hampered by the lack of a theory to describe the scattering process. In previous meetings we have discussed numerical schemes which model the two dimensional problem of plane Rayleigh waves scattering from a plane defect [1], and recently we have presented preliminary details of a simple three-dimensional model [2] for plane Rayleigh wave scattering from surface features accommodated on a Cartesian grid of points. In this paper we will present an analysis of plane Rayleigh wave scattering from a three dimensional surface slot and discuss results for plane Rayleigh wave scattering from a semi-circular trench.