飞艇气动特性分析与设计的一种新趋向

A New Analysis and Design Tendency of Airship Aerodynamics

在飞艇气动研究中,将气动计算特别是计算流体力学与优化算法相结合的数值方法非常便于在计算机上应用,实现设计的自动化,相比传统的设计方法具有明显的优势,在最近的研究中多被采用。本文针对新近的若干篇代表性的飞艇气动优化设计的文章,分析其所用的气动计算方法和优化算法,以及优化的结果,指出气动外形优化需要注意的问题,为相关研究提供有益的参考。

In the airship aerodynamics research,the aerodynamics computation,especially computational fluid dynamics,combined with the optimization algorithm is easy to implement on computer as an automation process.Compared to the traditional design method,this new method has obvious advantages.Recently this method is adopted by several important airship projects.In this paper,some typical papers published recently were discussed.Their aerodynamic computation methods and optimization algorithms,as well as optimization results were analyzed in order to provide a useful reference for relevant research.