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圆柱形薄壳冲击扭转屈曲的实验研究
引用本文:马宏伟,王德禹.圆柱形薄壳冲击扭转屈曲的实验研究[J].固体力学学报,1993,14(4):297-304.
作者姓名:马宏伟  王德禹
作者单位:太原工业大学,太原工业大学,太原工业大学 太原030024,太原 030024,太原 030024
摘    要:本文对受冲击扭矩作用下的圆柱形簿壳扭转屈曲进行了实验研究,利用Hopkinson扭杆使圆柱受阶跃扭矩作用,分析所得到的应变-时间曲线,得到了不同几何参数的圆柱壳的冲击临界扭矩Mder和屈曲波数n及几条定性结论,同时找出了圆柱壳静力扭转屈曲行为和冲击扭转屈曲行为之间的异同。

关 键 词:冲击  屈曲  扭转  结构力学  薄壳

THE EXPERIMENTAL STUDY ON THE STATIC AND IMPACT TORSIONAL BUCKLING OF CYLINDRICAL SHELLS
Ma Hongwei Wang Deyu Yang Guitong.THE EXPERIMENTAL STUDY ON THE STATIC AND IMPACT TORSIONAL BUCKLING OF CYLINDRICAL SHELLS[J].Acta Mechnica Solida Sinica,1993,14(4):297-304.
Authors:Ma Hongwei Wang Deyu Yang Guitong
Abstract:In this paper,experimental studies are carried out on the buckling of circular cylindrical thin shellsunder impact torque.In the experiments of impact buckling;the step torque acting on shells is given by theHopkinson torsional bar.By analysing the strain-time curve obtained in experiment,the dynamic buck-ling critical torque M_(dcr)and buckling waves number n of shells with different geometric data,and somequalitative results are obtained.The buckling behavior of circular cylindrical thin shells under static andimpact torque is compared.
Keywords:impact load  impact buckling  bifurcation  torsional buckling
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