基于FFD技术的飞翼布局无人机翼型优化研究  

Study on Optimization of Flying Wing UAV Airfoil Based on FFD Technology

作　　者：周伟 ZHOU Wei(AVIC Chengdu Aircraft Industrial(Group)Co.,Ltd.Chengdu Sichuan 610092,China)

机构地区：[1]航空工业成都飞机工业(集团)有限责任公司,四川成都610092

出　　处：《计算机仿真》2022年第9期74-78,共5页Computer Simulation

摘　　要：飞翼布局无人机气动布局特点要求对选用的翼型进一步优化以满足其性能要求,针对飞翼布局无人机翼型性能需求,结合FFD参数化方法,CFD流场求解以及NSGA-II多目标优化算法,建立了飞翼布局无人机高亚音速状态下翼型优化设计流程,实现了翼型巡航状态下阻力最小和俯仰力矩最小的优化目标,并对优化设计结果进行了分析,结果表明文中建立的优化设计方法可广泛应用于工程实践中,基于初次优化后的Pareto解进行二次优化能明显提升优化效果。The selected airfoil should be optimized to satisfy the aerodynamic performance for the aerodynamic configuration characteristics of flying wing UAV. To achieve the aerodynamic requirement of airfoil used in flying wing UAV,the process of airfoil optimization design applied in flying wing UAV at high subsonic speed was built by combining FFD parametric methodology, CFD solver model and the multi-objective optimization algorithm NSGA-II. The optimization objectives including minimum drag and minimum pitch moment were reached. The results of optimization design were analyzed and it was illustrated that the optimization design methodology in paper can be widely applied in engineering applications and the results of re-optimization are better based on the first pareto solutions.

关 键 词：飞翼 翼型 参数化 多目标优化 

分 类 号：V2[航空宇航科学技术]