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首页> 外文期刊>Journal of aerospace engineering >Discussion of 'Flutter of a Swept Aircraft Wing with a Powered Engine' by A. Mazidi and S. A. Fazelzadeh
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Discussion of 'Flutter of a Swept Aircraft Wing with a Powered Engine' by A. Mazidi and S. A. Fazelzadeh

机译：A. Mazidi和S.A. Fazelzadeh对“带有动力发动机的后掠飞机机翼的颤振”的讨论

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摘要

The authors of the paper under discussion have investigated the effect of the engine mass and thrust on the flutter of a uniform wing in incompressible flow. They showed that the engine mass and thrust may have considerable effect on the flutter boundary of the wing. They used the Euler-Bernoulli beam theory with a concentrated engine mass for the structural dynamics modeling. The authors stated that the finite-state model of Peters (Peters et al. 1995) is used for the calculation of the aerodynamic loads without considering the engine aerodynamics. The governing equations of motion were derived by using the Hamilton principle and solved by the Galerkin technique via the assumed modes method.
机译：讨论中的论文的作者研究了发动机质量和推力对不可压缩气流中均匀机翼颤振的影响。他们表明，发动机质量和推力可能会对机翼的颤振边界产生很大影响。他们使用具有集中发动机质量的Euler-Bernoulli梁理论进行结构动力学建模。作者指出，Peters的有限状态模型（Peters等人，1995）用于计算空气动力学负荷，而没有考虑发动机的空气动力学。使用汉密尔顿原理导出运动的控制方程，并通过伽勒金技术通过假定模式方法进行求解。

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  • 来源
    《Journal of aerospace engineering》 |2012年第3期|p.474-476|共3页
  • 作者

    R. D. Firouz-Abadi; P. Zarifian; A. R. Askarian;

  • 作者单位

    Dept. of Aerospace Engineering, Sharif Univ. of Technology, P.O. Box 11155-8639, Tehran, Iran;

    Dept. of Aerospace Engineering, Sharif Univ. of Technology, Tehran, Iran;

    Mechanical Engineering Dept., Vali-e-Asr Univ., P.O. Box 77139-36417, Rafsanjan, Iran;

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