重庆交通大学学报(自然科学版) ›› 1990, Vol. 9 ›› Issue (2): 68-74.
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吴承平1, 张录坤2
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Wu Chengping1, Zhang Lukun2
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摘要: 本文用奇异项上叠加矩形有限元解的方法求解了二维中心Ⅰ型裂纹体的应力强度因子K1.文中利用了奇异解的一般分析结果,同时充分利用有限元法进行数值计算的优点,为能反映单元内应力的变化,采用了矩形单元,求得了应力强度因子K1的显式表示。
关键词: 应力强度因子, 有限元法, 矩形单元, 奇异解, Ⅰ型裂纹
Abstract: This paper presents a new calculation of stress intensity factor for mode I fracture in 2-D deformation state,in which finite element solutions are superposed on the singular solutions,and rectangular element is taken in the finite element method.In this paper,explicit expressions for calculating the above stress intensity factor are given.
Key words: stress intensity factor, finite element method, rectangular element, singular solution, mode I fracture
吴承平, 张录坤. 奇异项上叠加矩形有限元解计算应力强度因子[J]. 重庆交通大学学报(自然科学版), 1990, 9(2): 68-74.
Wu Chengping, Zhang Lukun. Application of Superposition of Singular Solutions and Finite Element Solutions to Solve Stress Intensity Factor[J]. Journal of Chongqing Jiaotong University(Natural Science), 1990, 9(2): 68-74.
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