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有限大体复合型表面裂纹断裂特性研究

谢伟 张炯 黄其青 殷之平

谢伟, 张炯, 黄其青, 殷之平. 有限大体复合型表面裂纹断裂特性研究[J]. 机械科学与技术, 2012, 31(3): 363-366.
引用本文: 谢伟, 张炯, 黄其青, 殷之平. 有限大体复合型表面裂纹断裂特性研究[J]. 机械科学与技术, 2012, 31(3): 363-366.
Xie Wei, Zhang Jiong, Huang Qi-qing, Yin Zhi-ping. The Fracture Characteristic for Inclined Mixed Mode Surface Crack in Finite Body[J]. Mechanical Science and Technology for Aerospace Engineering, 2012, 31(3): 363-366.
Citation: Xie Wei, Zhang Jiong, Huang Qi-qing, Yin Zhi-ping. The Fracture Characteristic for Inclined Mixed Mode Surface Crack in Finite Body[J]. Mechanical Science and Technology for Aerospace Engineering, 2012, 31(3): 363-366.

有限大体复合型表面裂纹断裂特性研究

基金项目: 

国家自然科学基金项目(11102158)资助

详细信息
    作者简介:

    谢伟(1978-),讲师,博士,研究方向为结构疲劳、断裂与可靠性分析,nwpuxiewei@nwpu.edu.cn

The Fracture Characteristic for Inclined Mixed Mode Surface Crack in Finite Body

  • 摘要: 应用有限元重合网格法对三维有限大体倾斜表面裂纹复合型应力强度因子进行研究,详细讨论了裂纹倾斜角和裂纹形状变化对复合型应力强度因子的影响。研究发现随着裂纹倾斜角的增大,裂纹前缘Ⅰ型应力强度因子KⅠ减小,而Ⅱ型和Ⅲ型应力强度因子KⅡ和KⅢ先增大后减小;随着裂纹形状的变化,复合型表面裂纹前沿应力强度因子的最大值出现在裂纹最深处或随裂纹形状变化出现在裂纹前缘某处。
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出版历程
  • 收稿日期:  2011-03-04
  • 刊出日期:  2015-06-10

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