ON NONLINEAR PARAMETRIC AMPLIFICATION OF RAYLEIGH-WAVES

KRYLOV, VV (1993) ON NONLINEAR PARAMETRIC AMPLIFICATION OF RAYLEIGH-WAVES. PHYSICS LETTERS A, 173 (2). pp. 209-213. ISSN 0375-9601,

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Abstract

The phenomenon of parametric amplification of a weak Rayleigh surface acoustic wave of frequency omega0 by a strong pump Rayleigh wave of frequency 2omega0 is considered using the system of nonlinear evolution equations derived by Parker [Int. J. Eng. Sci. 26 (1988) 591 and modified to take into account the usual material dissipation and additional selective damping of certain wave harmonics. It is shown that introducing selective dissipation on both the third and fourth harmonics results in an essential increase of parametric amplification.

Item Type: Article
Uncontrolled Keywords: SURFACE ACOUSTIC-WAVES;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:43
URI: https://pred.uni-regensburg.de/id/eprint/54142

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