Periodic cracks in an infinite electrostrictive plane under the influence of a uniform remote electric field

被引：0
|
作者：
Dai M. [1 ,2 ]
Schiavone P. [2 ]
Gao C.-F. [1 ]
机构：
[1] State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] Department of Mechanical Engineering, University of Alberta, Edmonton, T6G 1H9, AB
来源：
Schiavone, Peter (P.Schiavone@ualberta.ca) | 1600年 / Elsevier Ltd卷 / 157期
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
Complex variable methods; Electrostrictive material; Periodic cracks; Stress intensity factor;
D O I：
10.1016/j.engfracmech.2016.02.026
中图分类号：
学科分类号：
摘要：
We present a rigorous treatment of the problem of collinear periodic cracks in an infinite electrostrictive plane subjected to plane strain deformation in the presence of a uniform remote in-plane electric field. Using complex variable methods, exact electric and stress fields in the electrostrictive plane are obtained for both permeable and impermeable cracks. We show that the ratio of the mode-I stress intensity factors for periodic cracks to those for a single crack is determined by only the ratio of the period of the periodic crack-system to the crack length. Additionally, we find that the stress intensity factors for periodic cracks and the stress field in the proximity of periodic cracks can be treated essentially as those for a single crack when the period exceeds four times the crack length. © 2016 Elsevier Ltd.
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页码：1 / 10
页数：9
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