Modeling of Ultrasonic Scattering by Internal Cracks in an Anisotropic Component

2004 ◽  
Author(s):  
Anders Boström
1979 ◽  
Vol 1 (1) ◽  
pp. 44-55 ◽  
Author(s):  
S. Ø. Aks ◽  
D. J. Vezzetti

The elementary scattering theory of Rayleigh and Born is extended to account for effects of finite absorption and of sample geometry including boundary refraction. Examples of the procedure are given for several scatterer configurations and results compared with those of the Rayleigh-Born procedure. It is shown that for a realistic choice of tissue parameters these effects modify the Rayleigh-Born results by factors of the order of 10 percent or less provided observations are made over a suitably limited range of angles about the backward direction.


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