|本期目录/Table of Contents|

[1]徐杰,周迅,陈文华,等. 基于有限元法的表面疲劳裂纹扩展模拟[J].浙江理工大学学报,2012,29(01):66-69.
 XU Jie,ZHOU Xun,CHEN Wen\|hua,et al. Simulation of Fatigue Crack Growth of Surface Cracked Platesby Finite Element Method[J].Journal of Zhejiang Sci-Tech University,2012,29(01):66-69.
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 基于有限元法的表面疲劳裂纹扩展模拟()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第29卷
期数:
2012年01期
页码:
66-69
栏目:
机电与信息科技
出版日期:
2012-02-28

文章信息/Info

Title:
 Simulation of Fatigue Crack Growth of Surface Cracked Platesby Finite Element Method
文章编号:
16733851 (2012) 01006604
作者:
 徐杰 周迅 陈文华 李维国
浙江理工大学机械与自动控制学院, 杭州 310018
Author(s):
 XU Jie ZHOU Xun CHEN Wen\|hua LI Wei\|guo
 School of Machinery and Automation, Zhejiang Sci\|Tech University, Hangzhou 310018, China
关键词:
 应力强度因子 表面裂纹 疲劳裂纹扩展 数值模拟 有限元分析
分类号:
TG113
文献标志码:
A
摘要:
    基于有限元法模拟了受远场拉伸和弯曲载荷有限厚度平板的表面疲劳裂纹扩展。裂纹体网格由等参奇异单元构成,裂纹体和非裂纹体之间采用多点约束连接不匹配的节点;采用1/4节点位移法计算应力强度因子,根据Paris公式计算裂纹扩展增量,三次样条插值函数描述裂纹前沿;自编软件实时跟踪裂纹扩展。计算得到的应力强度因子与Newman和Raju的经验公式结果比较,符合良好。

参考文献/References:

 [1]Newman Jr J C, Raju I S. An empirical stress intensity factor equation for the surface crack[J]. Engng Fracture Mech, 1981, 15(1): 185\|192.
[2] Lin X B, Smith R A. Finite element modelling of fatigue crack growth of surface cracked plates\|part I: the numerical technique[J]. Engng Fracture Mech, 1999, 63(5): 503\|522.
[3] Henshell R D, Shaw K G. Crack tip finite elements are unnecessary[J]. Int J Numer Meth Engng, 1975, 9(3): 495\|507.
[4] Barsoum R S. On the use of isoparametric finite elements in linear fracture mechanics[J]. Int J Numer Meth Engng, 1976, 10(1): 25\|37.
[5] 钟群鹏, 赵子华. 断口学[M]. 北京: 高等教育出版社, 2006.
[6] Newman Jr J C, Raju I S. Analyses of surface cracks in finite plates under tension or bending loads[J]. NASA Technical Paper, 1979, 1578: 45.
[7] 吴志学. 表面裂纹疲劳扩展的数值模拟:Ⅱ[J]. 应用力学学报, 2007, 3(1): 42\|47.
[8] Lin X B, Smith R A. Finite element modelling of fatigue crack growth of surface cracked plates\|part II: crack shape change[J]. Engng Fracture Mech, 1999, 63(5): 523\|540.

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备注/Memo

备注/Memo:
 收稿日期: 2011-05-18
基金项目: 国家自然科学基金(50805132);教育部博士点基金(200803380001)
作者简介: 徐杰(1986-),男,江苏常州人,硕士研究生,主要从事疲劳裂纹研究。
通讯作者: 周迅,电子邮箱:zhouxun78@gmail.com
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