Dynamic Antiplane Shear of a Circular Piezoelectric Fiber Embedded in an Elastic Matrix with Curved Interface Cracks

K. Minamida; F. Narita; Yasuhide Shindo

doi:10.1080/15376490490277295

Dynamic Antiplane Shear of a Circular Piezoelectric Fiber Embedded in an Elastic Matrix with Curved Interface Cracks

K. Minamida, F. Narita, Yasuhide Shindo

ENV - Frontier Science for Advanced Environment

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Based on the dynamic theory of linear piezoelectricity, we investigated the scattering of horizontally polarized shear waves from a single piezoelectric fiber partially bonded to an elastic matrix. The debonding is assumed to be curved interface cracks with non-contacting faces. The wave function expansion method is employed to reduce the problem to the solution of a pair of dual series equations. The solution of the dual series equations is then expressed in terms of a singular integral equation, introducing a dislocation density function. Numerical results for P7-epoxy and N8-epoxy composites are obtained. The effects of frequency, crack angles, and distributions on the dynamic stress intensity factor, dynamic energy release rate, scattering cross section, and electrical signal are discussed in detail.

Original language	English
Pages (from-to)	133-150
Number of pages	18
Journal	Mechanics of Advanced Materials and Structures
Volume	11
Issue number	2
DOIs	https://doi.org/10.1080/15376490490277295
Publication status	Published - 2004 Mar 1

ASJC Scopus subject areas

Civil and Structural Engineering
Mathematics(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "Based on the dynamic theory of linear piezoelectricity, we investigated the scattering of horizontally polarized shear waves from a single piezoelectric fiber partially bonded to an elastic matrix. The debonding is assumed to be curved interface cracks with non-contacting faces. The wave function expansion method is employed to reduce the problem to the solution of a pair of dual series equations. The solution of the dual series equations is then expressed in terms of a singular integral equation, introducing a dislocation density function. Numerical results for P7-epoxy and N8-epoxy composites are obtained. The effects of frequency, crack angles, and distributions on the dynamic stress intensity factor, dynamic energy release rate, scattering cross section, and electrical signal are discussed in detail.",

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N2 - Based on the dynamic theory of linear piezoelectricity, we investigated the scattering of horizontally polarized shear waves from a single piezoelectric fiber partially bonded to an elastic matrix. The debonding is assumed to be curved interface cracks with non-contacting faces. The wave function expansion method is employed to reduce the problem to the solution of a pair of dual series equations. The solution of the dual series equations is then expressed in terms of a singular integral equation, introducing a dislocation density function. Numerical results for P7-epoxy and N8-epoxy composites are obtained. The effects of frequency, crack angles, and distributions on the dynamic stress intensity factor, dynamic energy release rate, scattering cross section, and electrical signal are discussed in detail.

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