对含宏观大裂纹圆柱壳的轴压临界载荷的分析  

Analysis about the Axial Pressure Critical Load of Cylindrical Shells with Macro Large Crack

作　　者：杨红心[1] 柯黎[1] 夏卫华[2] 

机构地区：[1]华中科技大学力学系,湖北武汉430074 [2]东风汽车公司,湖北十堰442000

出　　处：《贵州工业大学学报（自然科学版）》2002年第2期88-92,共5页Journal of Guizhou University of Technology(Natural Science Edition)

摘　　要：采用动力学有限元法研究了带裂纹圆柱壳两种裂纹长度和十种裂纹方向的临界载荷 ,计算结果表明 ,在不同裂纹长度下 ,裂纹方向对圆柱壳的轴压屈曲强度有较大影响。Critical load of cylindrical shell with crack is studied on the basis of dynamical FEM. Two kinds of crack lengths and ten kinds of crack directions are examined. The analysis of computation results shows that the crack directions have a great effect on the axial pressure buckling intensity.

关 键 词：动力学有限元法 圆柱壳 临界载荷 裂纹 轴压屈曲强度 

分 类 号：TU333.02[建筑科学—结构工程]