[1]陈爱军,徐诚,胡小秋.带裂纹厚壁圆筒应力强度因子的几种计算方法[J].南京理工大学学报(自然科学版),2002,(04):430-433.
 ChenAijun XuCheng HuXiaoqiu.Several Methods for Calculating Stress Intensity Factors of Thick Walled Cylinder with Cracks[J].Journal of Nanjing University of Science and Technology,2002,(04):430-433.
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带裂纹厚壁圆筒应力强度因子的几种计算方法()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2002年04期
页码:
430-433
栏目:
出版日期:
2002-08-30

文章信息/Info

Title:
Several Methods for Calculating Stress Intensity Factors of Thick Walled Cylinder with Cracks
作者:
陈爱军徐诚1胡小秋1
南京理工大学理学院, ¹ 机械工程学院, 南京210094
Author(s):
ChenAijun XuCheng ① HuXiaoqiu ①
School of Sciences, ① School of Mechanical Engineering,NUST,Nanjing 210094
关键词:
应力强度因子 有限元分析 厚壁壳体
Keywords:
st ress intensity factors finite element analysis thick w alled shells
分类号:
TB12
摘要:
确定应力强度因子是断裂力学的重要内容。该文在考虑裂纹尖端应力应变奇异性的前提下 ,通过有限元的位移法和应力法分别计算了承受高压厚壁筒裂纹尖端处的应力强度因子 ,并且利用边界配置法的结果比较这 2种方法的精度。同时 ,还研究应力强度因子随裂纹深度和厚壁筒尺寸的变化规律
Abstract:
Determining st ress intensity factors is an important content of f racture mechanics. Taking into account of singularity of st ress and strain at the tip of crack, stress intensity factors of thick w alled cylinder under high inner pressure are found by stress and displacement of f inite element method. And the accuracy of these two methods is studied in comparison w ith boundary collocation method. Meanw hile, the rules of the st ress intensity factors w ith the change of crack depths and size of thick w alled cylinder are studied.

参考文献/References:

1 中国航空研究院. 应力强度因子手册. 北京: 科学出版社, 1981
2 王志群, 朱务学, 查子初. 用有限元法计算自增强厚壁筒的应力强度因子. 机械强度, 1989, 11( 3) : 62~ 66
3 陈爱军, 徐诚. 带裂纹厚壁筒的动态应力强度因子研究. 弹道学报, 2001, 13( 3) : 28~ 32
4 丁遂栋. 断裂力学. 北京: 机械工业出版社, 1997
5 Akin J E. Generation of elements w ith singularties. Int J Num Meth Eng, 1976, 10( 6) : 1 249~1 259
6 Barsoum R S. On the use of isoparametric finite elements in linear fracture mechanics. Int J Num Meth Eng , 1976, 10( 1) : 25~ 37
7 Bow ie O L, Freese C E. Elastoplastic plane- strain analysis for a circular hole in a uniaxial tensile field. Eng Fr actur e Mech, 1972, 4: 315~ 320

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备注/Memo

备注/Memo:
国防科技预研行业基金资助项目
陈爱军 男 30 岁 博士生
更新日期/Last Update: 2002-08-30