中国科技核心期刊

中文核心期刊

CSCD来源期刊

空间控制技术与应用 ›› 2014, Vol. 40 ›› Issue (3): 36-40.doi: 10.3969/j.issn.1674-1579.2014.03.007

• 技术交流 • 上一篇    下一篇

太阳帆柔性结构动力学仿真分析

  

  • 出版日期:2014-06-24 发布日期:2014-08-20

Simulation and Analysis for the Flexible Structure of Solar Sail Spacecraft

  • Online:2014-06-24 Published:2014-08-20

摘要:  研究了太阳帆结构的有限元仿真分析问题.针对太阳帆航天器实际结构特点,建立合理的有限元模型;得出合理的边界预紧力的大小与方向;给出太阳帆航天器伸展臂对预紧力的屈曲模态分析以及屈曲临界载荷;进行了太阳帆结构的无预紧力结构模态分析与有预紧力结构模态分析,并对结果进行了比较.研究结果表明,太阳帆航天器预紧力结构模态分析更为合理,为太阳帆航天器控制系统工程设计与仿真提供了参考数据基础.

关键词: 太阳帆, 有限元仿真, 预紧力, 模态分析, 屈曲

Abstract: A finite element simulation modeling and flexible structural dynamics analysis of solar sail spacecraft are investigated in this paper. According to the actual structural characteristics of solar sail spacecraft, a reasonable finite element model is obtained. The reasonable value and direction of preload are given. The buckling modal analysis of stretch arm and the critical buckling load are obtained. The modals without and with preload are analyzed respectively and compared. The modal with preload is demonstrated more reasonable. The modal analysis with preload provides basic data for the design and simulation of solar sail spacecraft control system.

Key words: solar sail, finite element simulation, preload, modal analysis, buckling

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