Lanzhou University of Technology Institutional Repository (LUT_IR)
Method to calculate stress intensity factor of V-notch in bi-materials | |
Li, Youtang1,2![]() ![]() | |
2008-08-01 | |
发表期刊 | Acta Mechanica Solida Sinica
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ISSN | 08949166 |
卷号 | 21期号:4页码:337-346 |
摘要 | Based on Zak's stress function, the eigen-equation of stress singularity of bi-materials with a V-notch was obtained. A new definition of stress intensity factor for a perpendicular inter-facial V-notch of bi-material was put forward. The effects of shear modulus and Poisson's ratio of the matrix material and attaching material on eigen-values were analyzed. A generalized expression for calculating KI of the perpendicular V-notch of bi-materials was obtained by means of stress extrapolation. Effects of notch depth, notch angle and Poisson's ratio of materials on the singular stress field near the tip of the V-notch were analyzed systematically with numerical simulations. As an example, a finite plate with double edge notches under uniaxial uniform tension was calculated by the method presented and the influence of the notch angle and Poisson's ratio on the stress singularity near the tip of notch was obtained. © 2009 The Chinese Society of Theoretical and Applied Mechanics. |
关键词 | Finite element method Poisson ratio Shear flow Bi-material Double edge notches Eigen equations Matrix materials Singular stress field Stress functions Stress singularities V-notches |
DOI | 10.1007/s10338-008-0840-3 |
收录类别 | EI |
语种 | 英语 |
出版者 | Huazhong University of Science and Technology |
EI入藏号 | 20091912075357 |
EI主题词 | Stress intensity factors |
来源库 | Compendex |
分类代码 | 631.1 Fluid Flow, General - 921.6 Numerical Methods - 951 Materials Science |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/111538 |
专题 | 学报编辑部 机电工程学院 |
作者单位 | 1.Key Laboratory of Digital Manufacturing Technology and Application, Ministry of Education, Lanzhou University of Technology, Lanzhou, 730050, China; 2.College of Mechano-Electronic Engineering, Lanzhou University of Technology, Lanzhou, 730050, China |
第一作者单位 | 兰州理工大学 |
第一作者的第一单位 | 兰州理工大学 |
推荐引用方式 GB/T 7714 | Li, Youtang,Song, Ming. Method to calculate stress intensity factor of V-notch in bi-materials[J]. Acta Mechanica Solida Sinica,2008,21(4):337-346. |
APA | Li, Youtang,&Song, Ming.(2008).Method to calculate stress intensity factor of V-notch in bi-materials.Acta Mechanica Solida Sinica,21(4),337-346. |
MLA | Li, Youtang,et al."Method to calculate stress intensity factor of V-notch in bi-materials".Acta Mechanica Solida Sinica 21.4(2008):337-346. |
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