An Efficient Method for Reliability-based Multidisciplinary Design Optimization  

一种高效的基于可靠性的多学科设计优化方法(英文)

作　　者：范辉[1] 李为吉[1] 

机构地区：[1]西北工业大学航空学院,陕西西安710072

出　　处：《Chinese Journal of Aeronautics》2008年第4期335-340,共6页中国航空学报（英文版）

基　　金：National Natural Science Foundation of China (10377015)

摘　　要：Design for modem engineering system is becoming multidisciplinary and incorporates practical uncertainties; therefore, it is necessary to synthesize reliability analysis and the multidisciplinary design optimization （MDO） techniques for the design of complex engineering system. An advanced first order second moment method-based concurrent subspace optimization approach is proposed based on the comparison and analysis of the existing multidisciplinary optimization techniques and the reliability analysis methods. It is seen through a canard configuration optimization for a three-surface transport that the proposed method is computationally efficient and practical with the least modification to the current deterministic optimization process.Design for modem engineering system is becoming multidisciplinary and incorporates practical uncertainties; therefore, it is necessary to synthesize reliability analysis and the multidisciplinary design optimization （MDO） techniques for the design of complex engineering system. An advanced first order second moment method-based concurrent subspace optimization approach is proposed based on the comparison and analysis of the existing multidisciplinary optimization techniques and the reliability analysis methods. It is seen through a canard configuration optimization for a three-surface transport that the proposed method is computationally efficient and practical with the least modification to the current deterministic optimization process.

关 键 词：multidisciplinary design optimization （MDO） concurrent subspace optimization reliability analysis advanced first order second moment method 

分 类 号：V224[航空宇航科学与技术—飞行器设计]