ELASTIC SH WAVE PROPAGATION IN PERIODIC LAYERED COMPOSITES WITH A PERIODIC ARRAY OF INTERFACE CRACKS

被引：1

作者：

Zhizhong Yan ^{[1
]}

Chunqiu Wei ^{[1
]}

Chuanzeng Zhang ^{[2
]}

机构：

[1] School of Mathematics and Statistics, Beijing Institute of Technology

[2] Department of Civil Engineering, University of Siegen

来源：

ActaMechanicaSolidaSinica | 2015年 / 28卷 / 05期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

layered composite; transmission coefficient; interface crack; transfer matrix method;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The interaction of anti-plane elastic SH waves with a periodic array of interface cracks in a multi-layered periodic medium is analyzed in this paper. A perfect periodic structure without interface cracks is first studied and the transmission displacement coefficient is obtained based on the transfer matrix method in conjunction with the Bloch-Floquet theorem. This is then generalized to a single and periodic distribution of cracks at the center interface and the result is compared with that of perfect periodic cases without interface cracks. The dependence of the transmission displacement coefficient on the frequency of the incident wave, the influences of material combination, crack configuration and incident angle are discussed in detail. Compared with the corresponding perfect periodic structure without interface cracks, a new phenomenon is found in the periodic layered system with a single and periodic array of interface cracks.

引用

页码：453 / 463

页数：11

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