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考虑气动力非线性的柔性飞机阵风响应分析

毕莹 杨超 吴志刚

毕莹, 杨超, 吴志刚等 . 考虑气动力非线性的柔性飞机阵风响应分析[J]. 北京航空航天大学学报, 2015, 41(7): 1208-1214. doi: 10.13700/j.bh.1001-5965.2014.0492
引用本文: 毕莹, 杨超, 吴志刚等 . 考虑气动力非线性的柔性飞机阵风响应分析[J]. 北京航空航天大学学报, 2015, 41(7): 1208-1214. doi: 10.13700/j.bh.1001-5965.2014.0492
BI Ying, YANG Chao, WU Zhiganget al. Gust response analysis of flexible aircraft with aerodynamic nonlinearity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1208-1214. doi: 10.13700/j.bh.1001-5965.2014.0492(in Chinese)
Citation: BI Ying, YANG Chao, WU Zhiganget al. Gust response analysis of flexible aircraft with aerodynamic nonlinearity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1208-1214. doi: 10.13700/j.bh.1001-5965.2014.0492(in Chinese)

考虑气动力非线性的柔性飞机阵风响应分析

doi: 10.13700/j.bh.1001-5965.2014.0492
基金项目: 国家自然科学基金(11372023)
详细信息
    作者简介:

    毕莹(1988—),女,黑龙江双鸭山人,博士研究生,by5022007@163.com

    通讯作者:

    吴志刚(1977—),男,江西萍乡人,副教授,wuzhigang@buaa.edu.cn,研究方向为气动弹性力学与控制.

  • 中图分类号: V211.3

Gust response analysis of flexible aircraft with aerodynamic nonlinearity

  • 摘要: 针对大展弦比柔性飞机阵风响应问题,考虑在大攻角(AOA)情况下气动力非线性的影响,通过将修正的Theodorsen方法与片条理论相结合,得到非线性的时域非定常气动力;在此基础上,建立阵风干扰下的大展弦比柔性飞机非线性气动弹性模型,完整地发展了一种新颖的可考虑气动力非线性的大展弦比柔性飞机阵风响应分析方法.结合算例模型开展方法验证和数值仿真,对比翼尖和质心(CG)处阵风附加过载在线性和非线性情况下的变化.算例结果表明,考虑大攻角情况下的气动力非线性后,大展弦比飞机的阵风响应较线性情况有明显变化,翼尖处的阵风附加过载最多可减少41.7%,气动力非线性的影响不可忽视.

     

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出版历程
  • 收稿日期:  2014-08-05
  • 修回日期:  2014-10-10
  • 刊出日期:  2015-07-20

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