| DYNAMIC RESPONSE OF A RIGID,PERFECTLY PLASTIC FREE-FREE BEAM STRUCK BY A PROJECTILE ATANY CROSS-SECTION ALONG ITS SPAN |
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| 作者姓名： | YangJialing LiuXuhong |
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| 作者单位： | Solid Mechanics Research Center，Beijing University of Aeronautics and Astronautics，Beijing 100083，China |
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| 摘 要： | I. INTRODUCTION The dynamic plastic response of free-free beams subjected to intense dynamic loading is a subject ofinterest for aerospace engineering applications. For example, when a rocket is attacked by a missile, itslarge plastic deformation behav…
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| 关 键 词： | 塑性力学响应 碰撞 独立梁 刚塑性结构 |
| 收稿时间： | 18 September 2002 |
Dynamic Response of A Rigid, Perfectly Plastic Free-Free Beam Struck by A Projectile at Any Cross-Section Along Its Span |
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| YangJialing LiuXuhong.DYNAMIC RESPONSE OF A RIGID,PERFECTLY PLASTIC FREE-FREE BEAM STRUCK BY A PROJECTILE ATANY CROSS-SECTION ALONG ITS SPAN[J].Acta Mechanica Solida Sinica,2004,17(2):140-149. |
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| Authors: | Jialing Yang and Xuhong Liu |
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| Institution: | (1) Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics, 100083 Beijing, China |
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| Abstract: | The rigid, perfectly plastic dynamic response of a free-free beam subjected to impact by a projectile at any cross-section is studied. The instantaneous deformations of the beam are given through an analysis of the complete solution for rigid plastic structures. The in?uence of some parameters such as the input energy and mass ratio on the plastic deformation, travelling plastic hinge position and energy partitioning of the beam are discussed. |
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| Keywords: | free-free beam impact dynamic plastic response |
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