Aerodynamic optimization and robust design of a flow deflector for wing stall control

Siyi Wang, Hongquan Chen, Wei Guo Zhang, Wei Li, Shengguan Xu, Jianfeng Tan, School of Mechanical and Power Engineering, Nanjing Tech University, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Key Laboratory of Rotor Aerodynamics, China Aerodynamics Research andDevelopment Center

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Published online on June 16, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Ahead of Print.
This study develops and numerically assesses a robust aerodynamic optimization framework for a passive flow deflector on a three-dimensional cambered “Flugzeug nächster Generation” (FNG) wing. A surrogate-assisted Efficient Global Optimization (EGO) ...