刚塑性圆柱壳的冲击扭转屈曲*
The Impact Torsional Buckling for the Rigid Plastic Cylindrical Shell
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摘要: 本文将文献[3]给出的能量准则用于处理刚塑性圆柱壳的冲击扭转屈曲.文中推导了圆柱壳塑性动力扭转屈曲线性方程,获得了临界冲击速度.Abstract: By using the energy criterion in [3],the impact torsional buckling for the rigid plastic cylindrical shell is studied.The linear dynamic torsional buckling equations for the rigid plastic shell is drived,and the critical impact velocity is given.
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Key words:
- dynamic plastic buckling /
- energy criterion /
- rigid plastic material /
- cylindrical shell
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[1] Jones,N.,Recent studies on the dynamic plastic behavior of structures,Appl.Mech.Review,42,4(1989),97-115. [2] Lindberg,H.E.and A.L.Florence,Dynamic Pulse Buckling:Theory and Experiment,Martinus Nijhoff(1987). [3] 茹重庆、王仁,关于冲击载荷下圆柱壳塑性屈曲的两个问题,固体力学学报,9(1)(1988)62-66. [4] 茹重庆、王仁,轴向冲击载荷下圆锥壳的塑性屈曲,工程力学,5(2)(1988), 1-9. [5] 揭敏.一定初缺陷杆在轴向冲击下弹塑性动态屈曲育限元计算,爆炸与冲击,11(2)(1991),153-180. [6] Florence,A.L.and J.N.Goodier,Dynamic plastic buckling of cylindrical shells in sustained axial compressive flow,J.Appl.Mech.ASME,35(1968),80-86. [7] 薛大为,《板壳理论》,北京工业大学出版社(1988).
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