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目前,飞行器的多学科设计优化(MDO)方法研究已经成为国际上航天领域的一个研究热点,但在我国,与MDO基础理论研究的迅速发展相比,MDO的工程应用研究相对滞后,甚至导致部分飞行器设计人员对于MDO理论的实用性产生质疑。本文结合我们近十多年来的研究工作,在分析MDO工程应用所面临困难的基础上,总结了MDO工程应用研究的关键技术,归纳了国际上MDO工程应用大致经历的三代研究概况,并以我们所完成的三个飞行器MDO实例来说明这三代研究各自的特点,最后对MDO工程应用研究的发展趋势进行了简要分析。
However, in our country, compared with the rapid development of the basic theory of MDO, the engineering application of MDO lags behind and even leads to some problems in the field of aeronautics and astronautics. Aircraft designers questioned the usefulness of MDO theory. Based on the research work of our nearly ten years, based on the analysis of the difficulties encountered in the application of MDO engineering, this paper summarizes the key technologies of MDO engineering application research, summarizes the three generations of research general situation of MDO engineering application in the world, We completed three aircraft MDO examples to illustrate the characteristics of each of the three generations of research, and finally a brief analysis of the development trend of MDO engineering applications.