Compensation of stress intensity factors in hollow cylinders containing several cracks under torsion by electro-elastic coating

被引：7
|
作者：
Karimi, M. [1 ,2 ]
Ghassemi, A. [1 ,2 ]
Atrian, A. [1 ,2 ]
Vahabi, M. [1 ,2 ]
机构：
[1] Islamic Azad Univ, Dept Mech Engn, Najafabad Branch, Najafabad, Iran
[2] Islamic Azad Univ, Modern Mfg Technol Res Ctr, Najafabad Branch, Najafabad, Iran
来源：
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION | 2019年 / 40卷 / 09期
关键词：
hollow cylinder; electro-elastic coating; stress intensity factor; multiple arbitrarily oriented cracks; Saint-Venant torsion; electric displacement; O343; RECTANGULAR CROSS-SECTION; SAINT-VENANT TORSION; CIRCULAR BAR;
D O I：
10.1007/s10483-019-2520-9
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this article, a formulation for a hollow cylinder reinforced with an electro-elastic layer is investigated. The hollow cylinder and its electro-elastic coating are under the Saint-Venant torsional loading. First, the solution to the problem containing a Volterra-type screw dislocation is obtained by using the Fourier transform. The problem is then reduced to a set of Cauchy singular integral equations by the distributed dislocation method. Finally, several examples are presented to show the effect of the electro-elastic coating on the reduction of the stress intensity factors at the crack tips.
引用
收藏
页码：1335 / 1360
页数：26
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