Double-stage Metamodel and Its Application in Aerodynamic Design Optimization

作     者：ZHANG Dehu GAO Zhenghong HUANG Likeng WANG Mingliang 

作者机构：National Key Laboratory of Science and Technology on Aerodynamic Design and Research Northwestern Polytechnical University Xi＇an 710072 China National Key Laboratory of Science and Technology on Test Physics ＆ Numerical Mathematical Beijing 100076 China 

出 版 物：《Chinese Journal of Aeronautics》 (中国航空学报（英文版）)

年 卷 期：2011年第24卷第5期

页      码：568-576页

摘      要：Constructing metamodel with global high-fidelity in design space is significant in engineering design. In this paper, a double-stage metamodel （DSM） which integrates advantages of both interpolation metamodel and regression metamodel is constructed. It takes regression model as the first stage to fit overall distribution of the original model, and then interpolation model of regression model approximation error is used as the second stage to improve accuracy. Under the same conditions and with the same samples, DSM expresses higher fidelity and represents physical characteristics of original model better. Besides, in order to validate DSM characteristics, three examples including Ackley function, airfoil aerodynamic analysis and wing aerodynamic analysis are investigated, In the end, airfoil and wing aerodynamic design optimizations using genetic algorithm are presented to verify the engineering applicability of DSM.

主 题 词：optimization genetic algorithm double-stage metamodel Kriging BP neural network Latin hypercube Parsecmethod 

学科分类：02[经济学] 0202[经济学-财政学类] 020208[020208] 07[理学] 08[工学] 082501[082501] 0714[0714] 070103[070103] 0825[工学-环境科学与工程类] 0701[理学-数学类] 

核心收录：

D　O　I：10.1016/S1000-9361(11)60066-6

馆 藏 号：203740833...