| Citation: | Deng Lindan, Song Wenping, Xu Jianhua, et al. Mission-driven aerodynamic optimization method for tiltrotor blades[J]. Journal of Aerospace Power, 2026, 41（X）：20250271 doi: 10.13224/j.cnki.jasp.20250271
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To address the significant contradiction between the optimal blade shapes of tiltrotor aircraft in hover and cruise modes, a mission scenario-driven aerodynamic optimization design method for tiltrotor blades was developed. This approach comprehensively considered the total energy consumption across different mission scenarios to ensure overall improvements in flight performance and efficiency. By incorporating typical mission phases including vertical takeoff, cruise, and hover and their respective durations, the method transformed the multi-point multi-objective optimization problem into a single-objective optimization problem with the total energy consumption of the entire mission scenario as the objective. The shape differences of the optimized blades under cruise and hover-focused mission scenarios were analyzed. Results indicated that the developed method achieved high aerodynamic performance of tiltrotor blades across multiple operating conditions, with optimization time reduced by 69.67% compared with multi-objective optimization.
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