全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

机翼气动结构多学科设计优化研究

Keywords: 气动结构耦合,代理模型,多学科设计优化

Full-Text   Cite this paper   Add to My Lib

Abstract:

为解决大展弦比机翼气动和结构学科的耦合分析及优化耗时问题,采用高精度计算流体力学(CFD)与计算结构动力学(CSD)模型耦合分析的方法,得到耦合分析后最终真实变形情况下的应力状态和气动力性能,指出大展弦比机翼气动结构耦合分析的必要性.对自适应响应面法进行改进,提出一种基于模糊聚类自适应径向基的全局优化策略,研究了该策略的全局寻优能力和优化效率.运用该优化策略对考虑气动结构耦合分析的大展弦比机翼结构进行多学科设计优化研究.研究结果表明该气动结构耦合分析方法可行有效,并且该优化策略提高了优化效率.

References

[1]  Martins J, Alonso J, Reuther J. High-fidelity aero-structural design optimization of a supersonic business jet[J]. Journal of Aircraft, 2004,41(3):523-530.
[2]  Bathelemy J F,Wrenn G A,Dovi A,et al. Supersonic transport wing minimum weight design integrating aerodynamic and structures[J]. Journal of Aircraft, 1994,31(31):330-338.
[3]  张科施,韩忠华,李为吉,等.基于近似技术的高亚声速运输机机翼气动/结构优化设计[J].航空学报,2006,27(5):810-815. Zhang Keshi,Han Zhonghua,Li Weiji,et al. Multidisciplinary aerodynamic/structural design optimi-zation for high subsonic transport wing using approximation technique[J]. Acta Aeronautica et Astronautica Sinica, 2006,27(5):810-815. (in Chinese)
[4]  张立强.基于CAD的机翼气动/结构多学科设计优化 .南京:南京航空航天大学宇航学院,2007. Zhang Liqiang. Aerodynamic/structural multidiscip-linary design optimization of wings based on CAD . Nanjing: School of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, 2007. (in Chinese)
[5]  Wang G G, Dong Z M, Aitchison P. Adaptiveresponse surface method: a global optimization scheme for approximation-based design problems[J]. Engineering Optimization, 2001,33(6):707-733.
[6]  Wang G G, SimpSon T W. Fuzzy clustering based hierarchical metamodeling for space reduction and design optimization[J]. Engineering Optimization, 2004,36(3):313-335.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133