| 三维反轴对称裂纹问题的SQCE列式及计算 |
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| 引用本文： | 孟广伟,郭学东,聂毓琴.三维反轴对称裂纹问题的SQCE列式及计算[J].吉林大学学报(工学版),1994(3). |
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| 作者姓名： | 孟广伟 郭学东 聂毓琴 |
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| 摘 要： | 首次提出和推导了计算三维反轴对称裂纹体裂纹前缘应力、应变、位移场和应力强度因子（ＳＩＦ）的奇异准协调单元（ＳＱＣＥ）列式。对各种比例反轴对称的应力强度因子、尺寸影响系数进行了大量计算，其误差小于１％。
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| 关 键 词： | 反轴对称，应力强度因子，奇异单元 |
SQCE Formulation and Calculation for 3-D Antiaxisymmetric Crack Problems |
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| Meng Guangwei,Guo Xuedong,Nie Yuqin.SQCE Formulation and Calculation for 3-D Antiaxisymmetric Crack Problems[J].Journal of Jilin University:Eng and Technol Ed,1994(3). |
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| Authors: | Meng Guangwei Guo Xuedong Nie Yuqin |
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| Affiliation: | Division of Applied Sciences |
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| Abstract: | The theory and element formulation of SQCE for 3-D antiaxisymmetric crack problems are proposed and derived for the first time.And the stress,strain and displacement fields of SQCEs are presented in this paper.The SIFs for various proportional 3-D antiaxisymmetric crack bodies are calculated.And the errors, compared with analytic solution, are all less than l%.All of these show the significance and prospect the method has in engineering application. |
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| Keywords: | antiaxisymmetic stress intensity factors singular element |
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