飞机平尾着陆滑跑动态性能分析
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Dynamic Performance Analysis of Aircraft Horizontal Tail When Landing and Taxiing
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    摘要:

    飞机着陆滑跑过程中,平尾结构将受到较大的冲击作用和振动激励。为预判结构局部危险部位,给结构强度设计提供参考,需对平尾着陆滑跑过程中的动态性能进行分析。创新性地考虑了飞机滑跑速度和气动力的变化,为有限元计算提供可靠的外载输入,并合理设置约束条件,建立半机体有限元模型,降低计算规模。最后提取平尾各站位处的载荷响应峰值,作出动响应包线,预判结构局部危险部位,如平尾根部,为结构强度设计提供参考。

    Abstract:

    The horizontal tail structure suffers large impact and vibration in landing and taxiing. For predicting the structure local hazard areas, it is necessary to implement an analysis on horizontal tail dynamic performance in landing and taxiing in order to provide a reference for structural strength design. This paper innovatively considered about changes of airplane taxiing rate and the aerodynamic force to provide a reliable set of external input, set reasonable constrains, and established halfbody finite element model of airplane to reduce the size of the calculation. Finally, the peak load response at each horizontal tail station was extracted to generate dynamic response envelope, so the local hazardous positions can be preestimated to provide references for the structure design, such as the root of horizontal tail.

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秦飞.飞机平尾着陆滑跑动态性能分析[J].民用飞机设计与研 究,2017(1):54-QIN Fei. Dynamic Performance Analysis of Aircraft Horizontal Tail When Landing and Taxiing[J]. Civil Aircraft Design and Research,2017,(1):54-. ( in Chinese)

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  • 在线发布日期: 2017-04-27
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