Shape Optimization Design and Simulation of Near Space Airship

doi:10.3780/j.issn.1000-758X.2011.05.011

›› 2011, Vol. 31 ›› Issue (5): 76-83.doi: 10.3780/j.issn.1000-758X.2011.05.011

Shape Optimization Design and Simulation of Near Space Airship

YANG Yan-Chu^1,2, WANG Sheng¹, GU Yi-Dong¹, LI Ying-Tang¹, MIAO Jing-Gang¹

（1 Academy of Optoelectronics, Chinese Academy of Sciences, Beijing 100094）
（2 Graduate University of Chinese Academy of Sciences, Beijing 100049）

Received:2010-12-27 Revised:2011-01-26 Published:2011-10-25 Online:2011-10-25

Abstract

Abstract: A new multidisciplinary design optimization(MDO) method based on genetic algorithm was developed. The theoretic framework was built and an optimization program was designed. Firstly, genetic algorithm and MDO method were studied, and the resistance model, volume suface ratio model, stress model were built, and the MDO method integrating aerodynamics, structure, and strength was introduced. Secondly, the genetic algorithm was used to optimize the airship shape which concluded a composite objective function, and a co-simulation method was carried out by the Matlab and Fluent. Finally, a practical case was provided and the feasibility of the method was demonstrated.

Key words: Genetic algorithm, Multidisciplinary design optimization, Shape optimization, Co-simulation, Stratosphere, Space airship

YANG Yan-Chu, WANG Sheng, GU Yi-Dong, LI Ying-Tang, MIAO Jing-Gang. Shape Optimization Design and Simulation of Near Space Airship[J]. , 2011, 31(5): 76-83.

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Shape Optimization Design and Simulation of Near Space Airship

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