scholarly journals Nonlinear scattering of acoustic waves by vibrating obstacles

1982 ◽  
Vol 71 (S1) ◽  
pp. S30-S30
Author(s):  
Jean C. Piquette ◽  
A. L. Van Buren
Keyword(s):  
Acoustic Waves ◽  
Nonlinear Scattering ◽  
Scattering Of Acoustic Waves

Nonlinear scattering of acoustic waves by natural and artificially generated subsurface bubble layers in sea

2003 ◽  
Vol 113 (2) ◽  
pp. 741-749 ◽  
Author(s):  
Lev A. Ostrovsky ◽  
Alexander M. Sutin ◽  
Irina A. Soustova ◽  
Alexander L. Matveyev ◽  
Andrey I. Potapov ◽  
...  
Keyword(s):  
Acoustic Waves ◽  
Nonlinear Scattering ◽  
Bubble Layers ◽  
Scattering Of Acoustic Waves

Nonlinear Scattering of Acoustic Waves by Discontinuity-like Defects in Application to Crack Detection

1996 ◽  
Vol 2 (4) ◽  
pp. 465-478 ◽  
Author(s):  
I. Yu. Belyaeva ◽  
V. Yu. Zaitsev
Keyword(s):  
Acoustic Waves ◽  
Crack Detection ◽  
Nonlinear Scattering ◽  
Combination Frequency ◽  
Sound Scattering ◽  
Nonlinear Methods ◽  
Crack Type ◽  
Intrinsic Nonlinearity ◽  
Scattering Of Acoustic Waves

Nonlinear sound scattering into higher or combination frequency harmonics on a crack-type dis continuity in a solid due to the intrinsic nonlinearity of the crack is considered. Characteristics of the nonlin early scattered sound are estimated, taking into account the micro-roughness of crack surfaces. Possibilities of the effect of usage for crack detection are discussed, comparison with conventional linear approaches is performed, and the main expected advantages of the nonlinear methods are pointed out.

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