Stress intensity factors for multiple cracks in thick-walled cylinder

Krunal G. Girase; Navneet K. Patil; Dinesh Shinde; Kanak Kalita

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Stress intensity factors for multiple cracks in thick-walled cylinder

机译：厚壁圆筒中多个裂纹的应力强度因子

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The stress intensity factor (SIF) is the linear elastic fracture mechanics parameter that relates remote load, crack size and structural geometry. It predicts very accurately the stress state. In this work, cylinders with multiple cracks are considered. The following parameters are varied during the analysis of the cylinders: the number of cracks, (the variation in number of cracks ultimately led to a variation in the inter-crack spacing), the crack length to cylinder thickness ratio (a/t), the diameter ratio of the cylinders. Very good agreement between the finite element stresses and the theoretical stresses is seen.

机译：应力强度因子（SIF）是线性弹性断裂力学参数，与远程载荷，裂缝尺寸和结构几何形状相关。它可以非常准确地预测应力状态。在这项工作中，考虑了具有多个裂纹的气缸。在分析圆柱体时，以下参数会有所变化：裂纹数（裂纹数的变化最终导致裂纹间距的变化），裂纹长度与圆柱体厚度之比（a / t），圆柱体的直径比。有限元应力与理论应力之间的一致性很好。

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《International Journal of Scientific World》 |2015年第2期|共9页
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Krunal G. Girase; Navneet K. Patil; Dinesh Shinde; Kanak Kalita;
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1. Stress intensity factor for a circumferential crack in a finite-length thin to thick-walled cylinder under an arbitrary biquadratic stress distribution on the crack surfaces [J] . Toshiyuki Meshii, Katsuhiko Watanabe Engineering Fracture Mechanics . 2001,第8期

机译：裂纹表面上任意双二次应力分布下有限长薄壁至厚壁圆柱体中周向裂纹的应力强度因子
2. Closed form stress intensity factors for a semi-elliptical crack in a thick-walled cylinder under thermal stress [J] . A.R. Shahani, S.M. Nabavi International Journal of Fatigue . 2006,第8期

机译：热应力作用下厚壁圆柱体中半椭圆形裂纹的封闭形式应力强度因子
3. Closed-form thermal stress intensity factors for an internal circumferential crack in a thick-walled cylinder [J] . R. GHAJAR, S. M. NABAVI Fatigue & fracture of engineering materials and structures . 2010,第8期

机译：厚壁圆筒内周裂纹的封闭形式热应力强度因子
4. A study of the stress intensity factors for single or multiple cracks in thick-walled cylinders [C] . Y. H. Zhang, Z. Z. Huang, L. Y. Chen, International Conference on Pressure Vessel Technology . 1988

机译：厚壁气缸中单个或多个裂缝的应力强度因子研究
5. Evaluation of stress intensity factors for arbitrarily oriented cracks in cylindrical shells subjected to mode I, mode II and mode III types of loading [D] . Srinivasan, Prashanth Kadaba 2004

机译：评估Ⅰ，Ⅱ，Ⅲ型载荷作用下圆柱壳任意取向裂纹的应力强度因子
6. Stress Intensity Factor of Semielliptical Surface Crack in Internally Pressurized Hollow Cylinder—A Comparison between BS 7910 and API 579/ASME FFS-1 Solutions [O] . Gabriel de C. Coêlho, Antonio A. Silva, Marco A. Santos, 2019

机译：内压空心圆柱体中半椭圆形表面裂纹的应力强度因子— BS 7910与API 579 / ASME FFS-1解决方案的比较
7. Stress intensity factors for multiple cracks in thick-walled cylinder [O] . Krunal G. Girase, Navneet K. Patil, Dinesh Shinde, 2015

机译：厚壁圆柱体多个裂缝的应力强度因子
8. Stress Intensity Factors for Radial Cracks in a Pre-Stressed, Thick-Walled Cylinder of Strain-Hardening Materials [R] . Pu, S. L., Chen, P. C. T. 1983

机译：应变硬化材料预应力厚壁圆筒径向裂纹的应力强度因子

Stress intensity factors for multiple cracks in thick-walled cylinder

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