Nonlinear surface waves in soft, weakly compressible elastic media.

Nonlinear surface waves in soft, weakly compressible elastic media. Research Abstract Details 

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Nonlinear surface waves in soft, weakly compressible elastic media. Abstract Text:

Evgenia A Zabolotskaya,Yurii A Ilinskii,Mark F Hamilton,

Nonlinear surface waves in soft, weakly compressible elastic media are investigated theoretically, with a focus on propagation in tissue-like media. The model is obtained as a limiting case of the theory developed by Zabolotskaya [J. Acoust. Soc. Am. 91, 2569-2575 (1992)] for nonlinear surface waves in arbitrary isotropic elastic media, and it is consistent with the results obtained by Fu and Devenish [Q. J. Mech. Appl. Math. 49, 65-80 (1996)] for incompressible isotropic elastic media. In particular, the quadratic nonlinearity is found to be independent of the third-order elastic constants of the medium, and it is inversely proportional to the shear modulus. The Gol'dberg number characterizing the degree of waveform distortion due to quadratic nonlinearity is proportional to the square root of the shear modulus and inversely proportional to the shear viscosity. Simulations are presented for propagation in tissue-like media.

Nonlinear surface waves in soft, weakly compressible elastic media. Publishing Authors By Initials

EA Zabolotskaya,YA Ilinskii,MF Hamilton,

For similar natural sciences: physics research abstracts see: natural sciences: physics research

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Nonlinear surface waves in soft, weakly compressible elastic media. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Journal of the Acoustical Society of America

VOLUME: 121

Page Numbers: 1873-8

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ISSN: 0001-4966

DAY: 3

MONTH: Apr

YEAR: 2007

Nonlinear surface waves in soft, weakly compressible elastic media. Information

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LANGUAGE: eng

NlmUniqueID: 7503051

Nonlinear surface waves in soft, weakly compressible elastic media. Keywords Mesh Terms:

KEYWORDS: Physics

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Grant and Affiliation Information for Nonlinear surface waves in soft, weakly compressible elastic media.

AFFILIATION: Applied Research Laboratories, The University of Texas, Austin 78713-8029, USA.

Country: United States

AGENCY: United States NIBIB

GRANT: EB004336

ACRONYM: EB

MEDLINETA: J Acoust Soc Am

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