TRANSIENT STRESS INTENSITY FACTORS FOR PERIODIC ARRAY OF CRACKS IN A HALF-PLANE DUE TO CONVECTIVE COOLING

Abd El-Fattah A. Rizk

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TRANSIENT STRESS INTENSITY FACTORS FOR PERIODIC ARRAY OF CRACKS IN A HALF-PLANE DUE TO CONVECTIVE COOLING

机译：对流冷却导致半平面裂纹周期性排列的暂态应力强度因子

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The problem of periodic cracks perpendicular to the boundary of a half-plane under transient thermal loading is investigated. The thermal stresses are generated as a result of convective cooling on the boundary of the plane. The problem is solved using the superposition technique. The perturbation problem is formulated using the thermal stresses obtained from the uncracked problem with the opposite sign as the only external load. The formulation results in a singular integral equation of Cauchy type that is solved numerically. Numerical results are obtained for the stress intensity factors as a function of time, crack length, location of the crack, and periodic crack spacing.

机译：研究了瞬态热载荷下垂直于半平面边界的周期性裂纹问题。由于在平面边界上的对流冷却而产生热应力。使用叠加技术可以解决该问题。摄动问题是使用从无裂纹问题获得的热应力来表示的，其符号与唯一的外部载荷相反。该公式产生了柯西型奇异积分方程，并用数值方法求解。获得了应力强度因子随时间，裂纹长度，裂纹位置和周期性裂纹间距变化的数值结果。

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来源
《Journal of thermal stresses》 |2003年第5期|p.443-456|共14页
作者
Abd El-Fattah A. Rizk;
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作者单位

Department of Science in Engineering, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur, 53100 Malaysia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
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1. Transient dynamic stress intensity factors around a crack in a nonhomogeneous interfacial layer between two dissimilar elastic half-planes [J] . Itou S. International Journal of Solids and Structures . 2001,第20期

机译：两个不同弹性半平面之间非均匀界面层中裂纹周围的瞬态动应力强度因子
2. Stress intensity factor for an edge crack in two bonded dissimilar materials under convective cooling [J] . Rizk AA Theoretical and Applied Fracture Mechanics . 2008,第3期

机译：对流冷却下两种粘结异种材料边缘裂纹的应力强度因子
3. New stress intensity factor solutions of a periodic array of cracks in residual stress field [J] . Chen X Mechanics research communications . 2006,第3期

机译：残余应力场中裂纹周期阵列的新应力强度因子解
4. STRESS INTENSITY FACTORS FOR AN INTERFACE CRACK BETWEEN A NONHOMOGENEOUS BONDING LAYER AND ONE OF THE TWO DISSIMILAR ELASTIC HALF-PLANES [C] . Shouetsu Itou Proceedings of the second Asian conference on mechanics of founctional materials and structures. . 2010

机译：非均质粘结层与两个相似弹性半平面之一之间的界面裂纹的应力强度因子
5. Effect of Residual Stresses on the Stress Intensity Factors for Cracks Near Fillet Welds. [D] . Du, Changyuan. 2015

机译：残余应力对角焊缝附近裂纹应力强度因子的影响。
6. The stress intensity factors for a periodic array of interacting coplanar penny-shaped cracks [O] . Huseyin Lekesiz, Noriko Katsube, Stanislav I. Rokhlin, -1

机译：应力强度因子相互作用共面硬币形裂纹的周期性阵列
7. The stress intensity factors for a periodic array of interacting coplanar penny-shaped cracks [O] . Lekesiz Huseyin, Katsube Noriko, Rokhlin Stanislav I., 2013

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8. Stress Intensity Factors for a Circular Ring with Uniform Array of Radial Cracks of Unequal Depth [R] . Pu, S. L. 1984

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TRANSIENT STRESS INTENSITY FACTORS FOR PERIODIC ARRAY OF CRACKS IN A HALF-PLANE DUE TO CONVECTIVE COOLING

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