| 变推力作用下的柔性旋转飞行器动力学建模 |
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| 引用本文： | 朱怀亮,余磊,梁思辉,胡开封.变推力作用下的柔性旋转飞行器动力学建模[J].上海大学学报(英文版),2008,12(2):115-119. |
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| 作者姓名： | 朱怀亮 余磊 梁思辉 胡开封 |
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| 作者单位： | ZHU Huai-liang（Department of Mechanics, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China）
YU Lei（Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China）
LIANG Si-hui（Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China）
HU Kai-feng （Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China） |
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| 基金项目： | 上海市教委资助项目
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上海市科委资助项目 |
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| 摘 要： |
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| 关 键 词： | dynamics flexible vehicle varying thrust semi-analytical method. 作用 旋转飞行器 力学建模 periodic vehicle spinning flexible simulation approach accurate efficient comparison standard numerical techniques take place phenomenon lateral attitudes extent |
| 收稿时间： | 2006-06-07 |
| 修稿时间： | 2006年6月7日 |
Dynamic simulation of a flexible spinning vehicle with the periodic varying thrust |
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| Huai-liang Zhu,Lei Yu,Si-hui Liang,Kai-feng Hu.Dynamic simulation of a flexible spinning vehicle with the periodic varying thrust[J].Journal of Shanghai University(English Edition),2008,12(2):115-119. |
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| Authors: | Huai-liang Zhu Lei Yu Si-hui Liang Kai-feng Hu |
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| Institution: | 1. Department of Mechanics, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China
2. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China |
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| Abstract: | The dynamic response of a flexible spinning vehicle with the varying thrust was investigated. The varying thrustwas modeled as a series of simple harmonic components superimposed on a constant thrust. The analytical solutions forlongitudinal motion were obtained by combining the motion equations and boundary conditions, and then, the transversebending of rocket was examined solved by considering a coupled forcing vibration with varying parameters. Numericalsolutions for a rocket with end-varying thrust were studied. It is shown that the lateral vibrations and motion attitudes ofrocket depend on the frequencies of varying thrust to great extent, and an important phenomenon, beating, maybe take place.The proposed approach is more accurate and efficient in comparison to those standard numerical techniques. |
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| Keywords: | dynamics flexible vehicle varying thrust semi-analytical method |
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