| 含切口悬臂梁的大变形塑性冲击动力响应 |
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| 引用本文： | 杨嘉陵,陈政. 含切口悬臂梁的大变形塑性冲击动力响应[J]. 力学学报, 1993, 25(1): 48-55. DOI: 10.6052/0459-1879-1993-1-1995-613 |
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| 作者姓名： | 杨嘉陵 陈政 |
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| 作者单位： | 北京航空航天大学固体力学所，100083 |
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| 摘 要： | 本文分析了含切口的悬臂梁受飞射物撞击的刚塑性动力响应的完全解,推导了考虑几何大变形效应的“双铰模式”的动力学方程,给出了计算方法和计算结果,最后讨论了耗散能的分配和切口对梁最终变形的影响。
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| 关 键 词： | 塑性 动力响应 悬臂梁 变形 |
THE LARGE DEFLECTION DYNAMIC PLASTIC RESPONSE OF A NOTCHED CANTILEVER BEAM SUBJECTED TO IMPACT |
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| Yang Jialing. THE LARGE DEFLECTION DYNAMIC PLASTIC RESPONSE OF A NOTCHED CANTILEVER BEAM SUBJECTED TO IMPACT[J]. chinese journal of theoretical and applied mechanics, 1993, 25(1): 48-55. DOI: 10.6052/0459-1879-1993-1-1995-613 |
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| Authors: | Yang Jialing |
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| Abstract: | The paper examines the complete solution of a rigid-plastic notched cantilever beam subjected to impact by a projectile. A group of large deflection governing equations for the double-hinge mechanisms is derived. Numerical solution for the equations is presented to calculate the permanent deformation of the beam. Finally, the distribution of the dissipated energy in the beam and the effects of the notch on its plastic deformation are discussed. |
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| Keywords: | Dynamic plastic response Cantilever beam Large deflection Double-hinge mechanisms Dissipated energy |
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