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弹性飞机平衡的阵风外载荷计算与分析

严德 杨超 肖志鹏

严德, 杨超, 肖志鹏等 . 弹性飞机平衡的阵风外载荷计算与分析[J]. 北京航空航天大学学报, 2012, 38(10): 1321-1325.
引用本文: 严德, 杨超, 肖志鹏等 . 弹性飞机平衡的阵风外载荷计算与分析[J]. 北京航空航天大学学报, 2012, 38(10): 1321-1325.
Yan De, Yang Chao, Xiao Zhipenget al. Balanced external gust loads computation and analysis for elastic aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 1321-1325. (in Chinese)
Citation: Yan De, Yang Chao, Xiao Zhipenget al. Balanced external gust loads computation and analysis for elastic aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 1321-1325. (in Chinese)

弹性飞机平衡的阵风外载荷计算与分析

基金项目: 北京航空航天大学"凡舟"青年科研基金资助项目(20100505)
详细信息
  • 中图分类号: V 211.47

Balanced external gust loads computation and analysis for elastic aircraft

  • 摘要: 连续紊流是适航规范中阵风载荷分析必须考虑的一种阵风模型,但其引起的阵风载荷在飞机结构设计中的应用一直存在困难.在平稳随机过程的假设下,基于von Karman连续紊流功率谱模型和线性系统连续紊流响应的功率谱方法,使用载荷累加法获得外载荷形式的阵风载荷.在此基础上,通过引入载荷响应的相关性推导并建立了一种生成多组连续紊流平衡外载荷分布的方法.垂向连续紊流情况下的算例结果表明:连续紊流外载荷分布是全机平衡的.平衡的外载荷分布可通过机动飞行载荷分析中的载荷包线方法识别载荷设计情况,从而应用于飞机结构的强度分析与设计.

     

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出版历程
  • 收稿日期:  2012-04-19
  • 网络出版日期:  2012-10-30

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