气动设计的多目标优化算法比较研究

由于目标函数复杂且流场求解耗时,气动优化设计需要选择搜索能力强且调用目标次数少的优化算法,现有的优化算法种类很多,针对不同类型问题算法性能不同。本文将常用的多目标优化算法进行了分类总结并进行函数测试,判断各个优化算法对不同问题的收敛性和稳定性,找出适合气动优化的多目标优化算法。将该算法应用于气动优化问题当中,进行了针对翼型的气动优化设计,缩短了优化时间,取得了一定的优化效果。

The research on multi-objective optimization algorithms for aerodynamic design

Aerodynamic optimization design is a complex problem.The analysis of aerodynamics is an extremely time-consuming process.In order to reduce the process of aerodynamics analysis,the aerodynamic optimization design needs to choose optimization algorithm which has a better search capability.There are too many optimization algorithms at present.These optimization algorithms have different capability for different questions.In this paper,function optimization is used to judge the convergence stability and conver...