[1]章定国,肖建强.空间运动体上梁的动力学建模和仿真[J].南京理工大学学报(自然科学版),2004,(06):580-584.
 ZHANG Ding-guo,XIAO Jian-qiang.Dynamic Modeling and Simulation of a Beam Attached to a Spatially Moving Base[J].Journal of Nanjing University of Science and Technology,2004,(06):580-584.
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空间运动体上梁的动力学建模和仿真()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2004年06期
页码:
580-584
栏目:
出版日期:
2004-12-30

文章信息/Info

Title:
Dynamic Modeling and Simulation of a Beam Attached to a Spatially Moving Base
作者:
章定国1 肖建强2
1. 南京理工大学理学院, 江苏南京210094; 2. 南京工程学院土木系, 江苏南京211100
Author(s):
ZHANG Ding-guo 1XIAO Jian-qiang 2
1.School of Sciences, NUST, Nanjing 210094,China;2.Department of Civil Engineering, Nanjing Institute of Technology, Nanjing 211100, China
关键词:
刚柔耦合系统 动力学 数值仿真
Keywords:
rigid-flexible coupling system dynamics numerical simul
分类号:
O313.7
摘要:
该文对附着在空间运动体上梁的动力学问题进行了研究 ,建立了中心刚体作任意三维运动 ,且在梁上作用有大小和位置不断变化的作用力时 ,梁作横向二维振动的动力学方程。采用模态法对该动力学方程进行求解 ,编制的动力学仿真软件考虑了梁的 5种支撑方式 ,分析了中心体运动对梁变形运动的影响
Abstract:
The dynamics of a flexible beam attached to a moving central rigid-body is reported. The system consists of a central rigid-body which can spat ially move and a beam which is attached to the central rigid-body and acted by external acting forces changing inmagnitude and position.The dynamic equations for two-dimensional transverse vibrations of the flexible beam are solved via employing the approach of modal expansion. The dynamic simulation software package resulted from the theory reported in this paper can deal with five different support ing cases. An example is given to validate the method and to analyze the effects of large overall motion on the deformation of the flexible beam.

参考文献/References:

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[ 6] 蒋丽忠, 洪嘉振. 大范围运动对弹性梁振动频率及模态的影响[ J] . 振动与冲击, 1999, 18( 1) : 12~ 16.
[ 7] 祝发荣, 黄清华, 陈德成. 旋转柔性梁的振动控制仿真及实验探讨[ J] . 北京大学学报( 自然科学版) , 2002, 38( 1) : 24~ 29.
[ 8] Kane T R, Ryan R R, Banerjee A K. Dynamics of a cantilever beam attached to a moving base[ J] . Journal of Guidance, 1987, 10( 2) : 139~ 151.

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金( 19702006)
作者简介: 章定国( 1967- ) , 男, 浙江嘉善人, 副教授, 博士, 主要研究方向: 多体系统动力学和控制,E-mail: zhangdg419@ hotmail. com。
更新日期/Last Update: 2013-03-11