结构优化技术在高速飞行器上的应用与面临的挑战

APPLICATIONS AND CHALLENGES OF STRUCTURAL OPTIMIZATION IN HIGH-SPEED AEROCRAFT

高速飞行器是航空航天领域发展的重要方向,具有重大战略意义和重要经济社会价值。首先,对结构优化技术及其在飞行器零部件和全机结构概念设计中的应用进行综述;然后,根据典型使用环境和设计要求,总结高速飞行器结构设计中存在的主要问题和应用需求,着重介绍近年来在高速飞行器零部件和全机结构概念设计中应用结构优化技术的典型案例;最后,提出近期亟待突破或完善的结构优化技术。结构优化技术与设计经验相结合带来设计理念的变革,将成为先进飞行器设计的必备工具和标准流程。面向重大需求的结构优化理论研究与工程实践对提升我国航空航天核心竞争力具有重要价值。

With its great national strategic importance and socio-economic benefits,the high-speed vehicle always plays a specific role in the field of aerospace.In this paper,the structural optimization technique and its application in the aircraft design are reviewed firstly.Then,the specific applications of structural optimization techniques in the high-speed vehicle design are then discussed in the context of the typical service environment and the design requirement.We show typical cases subsequently with applications in the concept design of the high-speed vehicle and in the innovative and improved design of their parts over the last years.In view of the solid theoretical foundations as well as the numerous successful engineering practices of the structural optimization,it not only provides an effective tool,but also brings about revolutionary changes for the design of high-speed vehicle structures.It is anticipated that the structural optimization supplemented by the empirical design will surely be a standard procedure for the aircraft design,and the practice-oriented research will undoubtedly enhance the core competitiveness of the aerospace industry in China.