飞机系列机翼气动特性稳健匹配优化设计

蒙文巩; 马东立

飞机系列机翼气动特性稳健匹配优化设计

北京航空航天大学航空科学与工程学院, 北京 100191

详细信息

中图分类号: V 211.41
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出版历程
- 收稿日期: 2012-01-15
- 网络出版日期: 2013-01-31

Robust matching design optimization for wing aerodynamic characteristic of aircraft family

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 在现代大型客机系列的设计中,机翼常作为通用模块,在每个型号上使用.针对各个型号因使用任务要求不同而使得对机翼气动特性需求不同的问题,引入设计权重,提出机翼气动特性匹配设计概念,建立了机翼气动特性匹配设计模型.并分析了设计权重的不确定性对机翼气动特性的影响,建立了稳健匹配优化设计模型,最终完成某高亚音速客机系列机翼气动特性稳健匹配优化设计.研究结果表明:与传统优化方法相比,稳健优化设计能够减小飞机系列中机翼在各型号上的气动特性差异,降低了设计权重的不确定性对机翼气动特性的影响, 提高了飞机系列的气动性能.
- 系列化设计 /
- 匹配设计 /
- 稳健优化设计 /
- 设计权重 /
- 不确定性
Abstract: The wing component is served as a common module and sharing in every model of modern aircraft family. Due to the different mission of every model, the aerodynamic requirement of wing in the aircraft family is different. The design-ratio was inducted and the matching design optimization concept for the wing aerodynamic characteristics was presented. The corresponding models with the parameter of the model design-ratio were established. The impact of the uncertainty of the design-ratio acting on the wing aerodynamic was analyzed. The model of robust matching design optimization (RMDO) for the functional module characteristics of the aircraft family was built. RMDO for the wing aerodynamic characteristics of a transonic aircraft family with two models was accomplished. The results indicate that the wing aerodynamic difference of every model in the aircraft family and the impact of the uncertainty of the design-ratio acting on the wing aerodynamic reduce based on RMDO. And the aerodynamic performance of the aircraft is improved.
- family design method /
- matching design /
- robust design optimization /
- design ratio /
- uncertainty

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参考文献(11)

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