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Non-linear flexural waves in thin layers

delete2003-06-01
delete2
PRE
AI
O
Osama M. Mukdadi
S
S. K. Datta
DOI：10.1016/S0022-460X(03)00272-4delete
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Abstract

Abstract

En 中文
Non-linear flexural waves in thin plates or layers have been analyzed in this paper. The equation of motion of the plate is derived assuming that the motion is antisymmetric about the mid-plane of the plate and that the plate is thin. The plate is considered to be elastic. TheVon Karman non-linear strains and Landau elastic constants have been used to model geometric and materialnon-linearities, respectively. An asymptotic analysis of wave motion is presented using the method of multiple scales. Evolution equations are derived for small amplitude traveling flexural elastic waves. Numerical results show waveform distortion, amplitude amplification, and harmonic generation. (C) 2003 Elsevier Science Ltd. All rights reserved.
Keywords:
SURFACE ACOUSTIC-WAVES
RAYLEIGH-WAVES
PROPAGATION

Journal

Journal of Sound and Vibration cover
Journal of Sound and Vibration
IF:
4.9
Papers:
1.7W
Citations:
4.8W

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