• •    

航天器宽带随机振动响应分析

韩增尧,曲广吉   

  1. 北京空间飞行器总体设计部,北京空间飞行器总体设计部 北京100086 ,北京100086
  • 发布日期:2002-02-25

Wide-band Random Vibration Response Prediction Study of the Spacecraft Structures

Han Zengyao Qu Guangji ( Beijing Institute of Spacecraft System Engineering,Beijing10 0 0 86)   

  • Published:2002-02-25

摘要: 简要介绍了航天器宽带随机振动试验和分析的必要性以及世界上相关预示技术的发展与现状 ;然后以某卫星为例 ,利用有限元方法和统计能量分析( SEA)对整星的宽带随机振动力学环境进行了预示 ;经过与试验结果的对比 ,验证了上述方法的可行性

关键词: 随机振动环境, 有限元法, 统计能量分析, 航天器

Abstract: The significance of the research related to the wide- band random vibration analysis on spacecraft and the developing history and recent status home and abroad arsummarized briefly.Then,the hybrid application of Finite Element Method and Statistical Energy Analysis is used to predict the response of the whole satellite under wide- band random vibration excitation and the prediction resultaccordswith thatof experimentwell.