融合结构因素的叶轮机叶片气动-气弹耦合伴随优化方法
By incorporating structural factors into the aerodynamic-aeroelastic coupling optimization of turbomachine blades and employing an adaptive weighted and penalty function method, the blade geometry was optimized, solving the reliability and efficiency problems in large deformation optimization and improving the aerodynamic and aeroelastic performance of the blades.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XI AN JIAOTONG UNIV
- Filing Date
- 2026-05-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing aerodynamic-aeroelastic coupling optimization methods for turbomachine blades assume that the blade vibration modes and frequencies remain constant in large deformation optimization problems, which leads to a decrease in the reliability of optimization results, an increase in computation time, and a reduction in optimization efficiency.
The blade aerodynamic-aeroelastic coupling optimization method, which integrates structural factors, considers vibration modes and frequencies in the blade aerodynamic-aeroelastic coupling optimization system. It adopts an adaptive weighted and penalty function method, combined with Hicks-Henne type function and associated harmonic balance equation, to optimize the blade geometry to improve aerodynamic and aeroelastic performance.
It improves the reliability and applicability of optimization results, significantly enhances the aerodynamic and aeroelastic properties of turbine blades, reduces computation time, and achieves efficient automation of optimization.
Smart Images
Figure CN122197502B_ABST