带有初缺陷的弹性圆柱壳冲击扭转屈曲  

THE IMPACT TORSIONAL BUCKLING OF ELASTIC CYLINDRICAL SHELL WITH IMPERFECTION

作　　者：王德禹[1] 杨桂通[1] 

机构地区：[1]太原工业大学应用力学研究所

出　　处：《工程力学》1992年第1期19-23,共5页Engineering Mechanics

摘　　要：本文以B-R运动准则为基础给出带有初缺陷的弹性圆柱壳冲击扭转屈曲研究。研究表明,随着初缺陷的增加以及矩形脉冲扭矩作用时间的减少,B-R运动准则意义上的冲击屈曲不再有意义,另外随着矩形脉冲矩作用时间的减少,周向屈曲波纹数增加,但初缺陷的大小对周向波纹数没有影响。The impact torisonal buckling of elastic cylindrical shell with imperfection studied on the base of B-R kinematic criterion. It is shown that the impact buckling on the meaning of B-R criterion does not exist with the imperfection's increase and the decrease of the acting time of the torsional impulse. Also it is found that with the decrease of the acting time of the torsional impulse,the buckling wave number increase,but the amplitude of the imperfection has no effect on the buckling wave number.

关 键 词：扭转屈曲 冲击屈曲 弹性 圆柱面壳 

分 类 号：TU333.01[建筑科学—结构工程]