噪声与振动控制

›› 2012, Vol. 32 ›› Issue (1): 13-17.DOI: 10.3969/j.issn.1006-1355-2012.01.003

• 2.振动理论与数值解法 • 上一篇    下一篇

统计能量法用于空间有效载荷力学响应的分析

林炜   

  1. （ 1. 中国科学院 研究生院， 北京 100049； 2. 中国科学院 光电研究院， 北京 100094 3. 中国科学院 空间科学与应用总体部， 北京 100094 ）
  • 收稿日期:2011-03-10 修回日期:2011-05-03 出版日期:2012-02-18 发布日期:2012-02-18
  • 通讯作者: 林炜

Application of Statistical Energy Analysis Method in Prediction of Dynamics Response of Space Payload

LIN Wei1,2,Lü Cong-min3,REN Wei-jia3, WANG An-ping3   

  1. （ 1. Graduate University of Chinese Academy of Sciences, Beijing 100049, China;2. Academy of Opto-Electronomics, Chinese Academy of Sciences, Beijing 100094, China;3. General Establishment of Space Science of Application, Beijing 100094, China）
  • Received:2011-03-10 Revised:2011-05-03 Online:2012-02-18 Published:2012-02-18
  • Contact: LIN Wei

摘要： 针对空间有效载荷特点，采用统计能量法(SEA)进行动力学响应研究。运用该方法建立某有效载荷的SEA计算模型，仿真分析结构整体及关键单元的力学响应，并与实测值进行比对。结果表明，该方法可较好地应用于空间有效载荷力学响应分析，计算精度满足工程要求。

关键词: 振动与波, 统计能量法（SEA）, 有效载荷, 力学响应, 仿真

Abstract: Base on the characteristic of space payload, the dynamics response of the space payload is predicted by the statistical energy analysis method. By establishing the SEA model and analyzing the dynamics response of structure and key units, The simulation results are compared with test results, which showing the statistical energy analysis method is suitable for analyzing dynamics response of space payload, computational accuracy can meet the engineering requirements.

Key words: vibration and wave, SEA, space payload, dynamics response, simulation

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