Scattering of Ultrasonic Waves by Cracks

  • J. D. Achenbach
  • Z. L. Li
Part of the CISM International Centre for Mechanical Sciences book series (CISM, volume 330)


Mathematical techniques to analyze scattering of ultrasound are discussed. Particular attention is devoted to scattering by cracks. Results are presented for time-domain finite difference calculations and for the ray method. The derivation of a boundary integral equation for the crack-opening-displacement according to rigorous elastodynamic theory and the numerical solution of this equation by the boundary element method are discussed in some detail. When the crack-opening-displacement is known, the scattered field can be obtained by the use of an integral representation.


Boundary Element Method Ultrasonic Wave Boundary Integral Equation Crack Edge Scattered Field 
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Copyright information

© Springer-Verlag Wien 1993

Authors and Affiliations

  • J. D. Achenbach
    • 1
  • Z. L. Li
    • 1
  1. 1.Northwestern UniversityEvanstonUSA

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