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铸铁黏聚裂纹的张开位移与应力分布
对于含缺陷材料结构的强度,以裂纹为主要特征的断裂力学是其力学行为分析的有效途径,裂纹扩展过程区能被简化成具有黏聚力的裂纹段.为探讨带切口的铸铁裂纹发展规律及黏聚裂纹张开位移与黏聚应力的本构关系,对8种不同切口尺寸的铸铁梁进行三点弯曲加载实验,通过应变计电测跟踪测试,得到预制裂纹端部的张开位移随载荷变化曲线.由确定黏聚裂纹张开位移与黏聚应力分布的解析方法,计算得到该材料黏聚裂纹张开位移及与应力的本构关系.计算预制裂纹尖端张开位移与应变计测试结果基本符合.
ZHANG DongHuan
WANG LiMin
SHEN YuFeng
作者单位：
山东理工大学交通与车辆工程学院,淄博,255049
山东理工大学交通与车辆工程学院,淄博255049;青岛理工大学理学院,青岛266033
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基金项目：
国家自然科学基金，山东省自然基金
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万方数据知识服务平台--国家科技支撑计划资助项目（编号：2006BAH03B01）(C)北京万方数据股份有限公司
万方数据电子出版社Analysis of the stress singularity of the plane cracks terminating at the interface in bonded dissimilar composite materials by the interpolating matrix method--《Chinese Journal of Computational Mechanics》2016年01期
Analysis of the stress singularity of the plane cracks terminating at the interface in bonded dissimilar composite materials by the interpolating matrix method
WANG Jing-CHENG Chang-HAN You-ZHANG Jin-GE Ren-Anhui Engineering Technology Research Center of Automobile New Technology,Anhui Polytechnic USchool of Civil Engineering,Hefei University of T
In this paper,a method for calculating the singularity orders of the crack terminating at the interface in the anisotropic planes by the interpolating matrix method is proposed.Based on the asymptotic expansion of the generalized displacement fields at the notch tip,and by introducing the generalized displacement functions in the asymptotic expansion into the linear elasticity equilibrium equation,the governing equations of a crack terminating at the interface of the bonded dissimilar materials are transformed into a set of nonlinear characteristic ordinary differential equations(ODEs)with the singularity orders.Then the interpolating matrix method is introduced to solve the derivative ODEs.The relation between the stress singularity and the ply angle of the crack terminating at the interface of bonded dissimilar anisotropic materials can be easily obtained by this method.The numerical results show that the method is efficient and has very high accuracy while comparing with the existent solutions.
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【Citations】
Chinese Journal Full-text Database
(Department of Applied Mathematics and Mechanics, Hefei University of Technology, Hefei 230009, China)
Xu Jinquan
Department of Mechanics, Zhejiang University, Hangzhou 310027,China)
Ding Haojiang
(Department of Civil E[J];ACTA MECHANICA SINICA;1999-03
【Co-citations】
Chinese Journal Full-text Database
PING Xue-cheng~1,CHEN Meng-cheng~2,XIE Ji-long~1,LI Qiang~1 (1.School of Mechanical and Electronic Control Engineering,Beijing Jiaotong University, Beijing 100044,C 2. School of Mechanical and Electrical Engineering, East China Jiaotong University, Nanchang Jiangxi 330013, China);[J];Journal of Northern Jiaotong U2004-01
WANG Xiaogui*,WENG Lin,GAO Zengliang(Key Laboratory of Mechanical Manufacture and Automation,Ministry of Education,Zhejiang University of Technology,Hangzhou 310032,China);[J];Acta Materiae Compositae S2009-06
PING Xue-cheng~(1,2), CHEN Meng-cheng~1, XIE Ji-long~2, LI Qiang~2(1. East China Jiaotong University, Nanchang . School of Mechanical and Electronical Control Engineering, Beijing Jiaotong University, Beijing 100044,China);[J];Journal of East China Jiaotong U2005-01
PING Xue-cheng,CHEN Meng-cheng (Key Laboratory of Conveyance and Equipment of Chinese Ministry of Education,East China Jiaotong University,Nanchang 330013,China);[J];Journal of East China Jiaotong U2009-05
Ping Xuecheng~(*,+,2)
Xie Jilong~*
Chen Mengcheng~+
Li Qiang~*~*(School of Mechanical and Electronic Control Engineering,Beijing Jiaotong University,Beijing 100044,China)~+(School of Civil Engineering and Architecture,East China Jiaotong University,Nanchang 330013,China);[J];Acta Mechanica S2005-01
Wang Xiaogui~(2)) Wang Mei (Key Laboratory of Mechanical Manufacture and Automation,Ministry of Education,Zhejiang University of Technology, Hangzhou 310032,China);[J];Chinese Journal of Theoretical and Applied M2010-03
PING Xuecheng CHEN Mengcheng XIE Jilong
(School of Mechanical, Electrical and Control Engineering,
Beijing Jiaotong University, Beijing 100044, China)
(School of Mechanical and Electrical Engineering, East
China Jiaotong University, Nangchang 330013, China);[J];Mechanics and E2004-05
PING Xue-cheng~1,CHEN Meng-cheng~2 (1.School of Mechatronics Engineering,East China Jiaotong University,Nanchang 330013,C 2.School of Civil & Architecture Engineering,East China Jiaotong University,Nanchang 330013,China);[J];Chinese Quarterly of M2010-01
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