FRACTURE ANALYSIS OF AN EDGE-CRACKED DIELECTRIC PLATE VIA NOVEL BOUNDARY INTEGRAL EQUATION METHOD

被引：0

作者：

Wang, Shi-bo ^{[1
]}

Guo, Ya-guang ^{[2
]}

Zhao, Ming-hao ^{[1
]}

Fan, Cui-ying ^{[1
]}

机构：

[1] Zhengzhou Univ, Sch Mech Engn, Zhengzhou 450001, Peoples R China

[2] Zhengzhou Univ, Sch Mech & Engn, Zhengzhou 450001, Peoples R China

来源：

PROCEEDINGS OF THE 2015 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS | 2015年

关键词：

Edge Crack; Dielectric material; Exact boundary condition; Sub-region BEM; Intensity factor; ELEMENT METHOD;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Dielectric materials are widely used as insulating materials in electronic devices. However, cracks inside dielectric materials may cause performance degradation of the electronic devices. In this paper, the sub-region boundary element method is developed for handling the edge crack problem, in which the area in the crack cavity is treated separately. The proposed method is distinguished from any existing boundary element formulation for fracture analysis. An exact boundary condition is applied to crack faces. The whole calculation is done by using the software Mathematica. Finally, we obtain numerical results of the electric field within the crack cavity and calculate the stress and the electric displacement intensity factors.

引用

页码：490 / 493

页数：4

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