Dynamic Stress Concentration Analysis of Multiple Circular Cavities near Multiple Semi-cylindrical Alluvial Valleys

被引：0
|
作者：
Wang, Huiwen [1 ]
Yang, Zailin [2 ]
Xu, Huanan [2 ]
机构：
[1] Heilongjiang Inst Technol, Dept Mat & Chem Engn, Harbin 150050, Peoples R China
[2] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin 150001, Peoples R China
来源：
FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE II, PTS 1-6 | 2012年 / 121-126卷
基金：
湖北省教育厅重点项目; 中国国家自然科学基金;
关键词：
SH-waves; Multi-polar coordinates; Complex function; Semi-cylindrical alluvial valley; Circular cavity; Dynamic stress concentration factor; PLANE SH-WAVES; SURFACE MOTION;
D O I：
10.4028/www.scientific.net/AMM.121-126.3253
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The problem of dynamic response of multiple circular cavities near multiple semi-cylindrical alluvial valleys under incident plane SH-waves is investigated by the methods of complex function and multi-polar coordinates in this paper. Firstly, the solution domain is divided into two parts, Domain I is multiple semi-cylindrical alluvial valleys, and Domain II is an elastic half space with several subsurface circular cavities near multiple semi-cylindrical alluvial valleys. A series of infinite algebraic equations is then obtained based on the displacement and stress continuity condition on "common boundary" of two parts after constructing the associated displacement and stresses expressions of each part. Finally some numerical expamples are prensented and dynamic response of subsurface circular cavities near semi-cylindrical alluvial valleys with respect to different parameters is discussed.
引用
收藏
页码：3253 / +
页数：2
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