- 相關推薦
Numerical Computation of Stress Intensity Factors for Bolt-hole Corner Crack in Mechanical Joints
The three-dimensional finite element method is used to solve the problem of the quarter-elliptical comer crack of the bolt-hole in mechanical joints being subjected to remote tension. The square-root stress singularity around the corner crack front is simulated using the collapsed 20-node quarter point singular elements. The contact interaction between the bolt and the hole boundary is considered in the finite element analysis. The stress intensity factors (SIFs) along the crack front are evaluated by using the displacement correlation technique. The effects of the amount of clearance between the hole and the bolt on the SIFs are investigated. The numerical results indicate that the SIF for mode I decrease with the decreases in clearance, and in the cases of clearance being present, the corner crack is in a mix-mode, even if mode I loading is dominant.
作 者： Wang Liqing Gai Bingzheng 作者單位： Department of Astronautics and Mechanics,Harbin Institute of Technology,Harbin 150001,China 刊 名： 中國航空學報(英文版) ISTIC 英文刊名： CHINESE JOURNAL OF AERONAUTICS 年，卷(期)： 2008 21(5) 分類號： V2 關鍵詞： bolt-bole comer crack contact stress intensity factor mechanical joint clearance finite element method【Numerical Computation of Stress Inte】相關文章：
Determination of arterial wall shear stress04-27
NUMERICAL EXPERIMENTS ON THE IMPACTS OF SEA SPRAY ON TROPICAL CYCLONES04-27
Proteomic Study for Responses to Cadmium Stress in Rice Seedlings04-26
Numerical Approximation of a Reaction-Diffusion System with Fast Reversible Reaction04-26
Mapping of QTLs for Leaf Malondialdehyde Content Associated with Stress Tolerance in Rice04-26
Wave-induced stress and estimation of its driven effect on currents04-27
Numerical model of flow and pollutant transportation in non-orthogonal curvilinear coordinates04-26