Ultrasonic Scattering by a Surface-Breaking Void
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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
This work addresses ultrasonic scattering by a void that breaks the surface of an elastic half-space. The two-dimensional problem is considered for which a compressional, vertically polarized shear- or Rayleigh-surface wavefield is incident perpendicular to a groove contained in the traction-free surface of an elastic half-space. Numerical results are presented for a V-shaped groove which demonstrate the effects on scattering by a surface-breaking crack that has opened.