Concurrently Optimized Aeroelastic Couplings and Rotor Stiffness for Alleviation of Helicopter Aeromechanical Instability

Eric Hathaway; Farhan Gandhi

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Concurrently Optimized Aeroelastic Couplings and Rotor Stiffness for Alleviation of Helicopter Aeromechanical Instability

机译：同时优化的气动弹性联轴器和转子刚度，以减轻直升机的气动机械不稳定性

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摘要

The effectiveness of optimized aeroelastic couplings and rotor stiffness properties is examined for improving the aeromechanical stability characteristics of a helicopter with a soft-in-plane rotor, over a wide range of conditions, to enable the elimination of auxiliary lag dampers. A refined optimization procedure is developed that is robust and numerically efficient.

机译：检验了优化的气动弹性联轴器和旋翼刚度特性的有效性，以在较宽的条件范围内改善带有平面内旋翼的直升机的航空机械稳定性，从而消除了辅助滞后阻尼器。开发了完善的优化过程，该过程稳健且在数值上高效。

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来源
《Journal of Aircraft》 |2001年第1期|p.69-80|共12页
作者
Eric Hathaway; Farhan Gandhi;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类航空;
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专利

1. Optimized Aeroelastic Couplings for Alleviation of Helicopter Ground Resonance [J] . Farhan Gandhi, Eric Hathaway Journal of Aircraft . 1998,第4期

机译：优化的空气弹性联轴器可减轻直升机的地面共振
2. Aeroelastic analysis of helicopter rotors using computational fluid dynamics/comprehensive analysis loose coupling model [J] . Yu Xiao, Guo-Hua Xu, Yong-Jie Shi Proceedings of the Institution of Mechanical Engineers . 2015,第g4期

机译：使用计算流体力学/综合分析松耦合模型对直升机旋翼进行气动弹性分析
3. Nonlinear aeroelastic stability analysis of hingeless helicopter rotor blades using FRF coupling and condition number [J] . Roknizadeh S. A. S., Nobari A. S., Shahverdi H. Nonlinear dynamics . 2015,第1a2期

机译：基于FRF耦合和条件数的无铰直升机旋翼叶片非线性气动弹性稳定性分析。
4. Concurrent optimizatin of aeroelastic couplings and rotor stiffness for the alleviation of helicopter aeromechanical instability [C] . Eric Hathaway, Farhan Gandhi AHS international forum . 1999

机译：气动弹性联轴器和转子刚度的同时优化，以减轻直升机的气动机械不稳定性
5. Active control of helicopter aeromechanical and aeroelastic instabilities. [D] . Takahashi, Marc D. 1988

机译：主动控制直升机的气动机械和气动弹性不稳定。
6. CORR Insights®: Can Postural Instability in Individuals with Distal Radius Fractures Be Alleviated by Concurrent Cognitive Tasks? [O] . Douglas W. Lundy 2019

机译：CorrInsights®：可以通过并发认知任务来缓解具有远端半径骨折的个体的损伤性吗？
7. Aeromechanics Analysis of a Heavy Lift Slowed-Rotor Compound Helicopter [O] . Hyeonsoo Yeo, Wayne Johnson 2006

机译：重型减速转子复合直升机的航空力学分析
8. An Experimental Investigation of the Effects of Aeroelastic Couplings on Aeromechanical Stability of a Hingeless Rotor Helicopter [R] . Bousman, W. G. 1980

机译：气动弹性联轴器对无铰链转子直升机航空力学稳定性影响的实验研究

Concurrently Optimized Aeroelastic Couplings and Rotor Stiffness for Alleviation of Helicopter Aeromechanical Instability

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