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Dynamic anti-plane characteristic on an infinite piezoelectric medium with a movable rigid cylindrical inclusion

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Abstract

Scattering and dynamic stress concentrations of time harmonic SH-wave in an infinite elastic piezoelectric medium with a movable rigid cylindrical inclusion are studied in this paper with the help of complex variable and wave function expansion method. The relations that a movable rigid cylindrical inclusion depends on intensity of incident wave and electric field are revealed. The expressions of dynamic stress at the edge of the inclusion are obtained. Numerical calculations are made with different wave numbers and different piezoelectric characteristic parameters. The calculating results show that dynamic stress concentrations at the edge of the inclusion have linear dependence on the incident electric field. And dynamic analyses are very important for an infinite piezoelectric medium with a movable rigid cylindrical inclusion at larger piezoelectric characteristic parameters.

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Authors and Affiliations

  1. School of Civil Engineering, Harbin Engineering University, 150001, Harbin, China

    Song Tian-shu, Sun Li-li & Yu Zhen-dong

Authors
  1. Song Tian-shu
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  2. Sun Li-li
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  3. Yu Zhen-dong
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Additional information

Foundation item: Supported by the Nature Science Foundation of Heilongjiang Province of China (No. A00-10) and the Basis Research Foundation of Harbin Engineering University (No. HEUF04008).

Dr. SONG Tianshu, born in 1962, professor and vice-dean in School of Civil Engineering, Harbin Engineering University. His research interests include solid mechanics, engineering mechanics and elastic wave propagation in solids.

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Song, Ts., Sun, Ll. & Yu, Zd. Dynamic anti-plane characteristic on an infinite piezoelectric medium with a movable rigid cylindrical inclusion. J Mar. Sc. Appl. 4, 61–64 (2005). https://doi.org/10.1007/s11804-005-0035-y

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  • DOI: https://doi.org/10.1007/s11804-005-0035-y

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