Parametric excitation of shear waves in soft solids

One of the possible mechanisms that may underlie ultrasound-induced damage of soft solids is discussed. The model of three-wave interaction in a solid is used to consider shear wave generation by a longitudinal sound wave in a solid with a small shear modulus. Numerical estimates are obtained for th...

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Bibliographic Details
Published in:Acoustical physics 2009-10, Vol.55 (4-5), p.567-574
Main Authors: Mironov, M. A., Pyatakov, P. A., Konopatskaya, I. I., Clement, G. T., Vykhodtseva, N. I.
Format: Article
Language:English
Subjects:
Acoustics
Physics
Physics and Astronomy
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Summary:One of the possible mechanisms that may underlie ultrasound-induced damage of soft solids is discussed. The model of three-wave interaction in a solid is used to consider shear wave generation by a longitudinal sound wave in a solid with a small shear modulus. Numerical estimates are obtained for the excitation threshold of the shear wave in biological tissues. Since the wavelength of ultrasound-generated shear waves is small, the shear stresses may be sufficient to destroy the structure of biological tissue. Results of model experiments are presented.
ISSN:1063-7710
1562-6865
DOI:10.1134/S1063771009040137