北京航空航天大学学报 ›› 2013, Vol. 39 ›› Issue (5): 621-625.

• 论文 • 上一篇    下一篇

民机飞行载荷谱编制方法

刘晓明1, 万少杰2, 熊峻江1, 李强2   

  1. 1. 北京航空航天大学交通科学与工程学院, 北京 100191;
    2. 上海飞机设计研究院结构强度部, 上海 200232
  • 收稿日期:2012-04-19 修回日期:2013-05-07 出版日期:2013-05-31 发布日期:2013-05-22
  • 基金资助:
    国家自然科学基金资助项目(51075019); 航空科学基金资助项目(20095251024)

New approach for generating flight load spectrum of civil aircraft

Liu Xiaoming1, Wan Shaojie2, Xiong Junjiang1, Li Qiang2   

  1. 1. School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    2. Shanghai Aircraft Design and Research Institute, Shanghai 200232, China
  • Received:2012-04-19 Revised:2013-05-07 Online:2013-05-31 Published:2013-05-22

摘要: 探索了由同类机型的飞行实测载荷统计数据,推断新设计机型的飞行谱,进而编制其载荷谱的新途径.采用国外同类飞机的飞行实测载荷统计数据,依据类比法,分析和推断出某民机的飞行谱以及各飞行状态连续应力谱;在此基础上,根据民用运输机的TWIST编谱方法,编制了各飞行状态的突风和机动载荷谱,最终,随机生成了其飞行谱对应的5×5地-空-地载荷谱,从而验证了探索途径的可行性与有效性.采用该方法可以加快民机研制周期.

Abstract: A novel approach was outlined to generate flight load spectrum for a new civil airplane from the statistical data of actural flight load on similar type of ones. The flight spectrum and continuous stress sequences of new civil airplane were derived from the statistical data of actural flight load of B737-400 plane by means of the analogism and the gust and maneuver spectra were then generated on the basis of the TWIST method. Finally, 5?5 ground-air-ground spectrum was obtained from the random sequencing. The example shows the practical application of new approach.

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