SUN Junfeng, LU Fengshun, HUANG Yong, et al. Rotor airfoil aerodynamic design and evaluation software HRADesign[J]. 2021, 39(4): 59-68.DOI: 10.7638/kqdlxxb-2019.0106.
Rotor airfoil aerodynamic design and evaluation software HRADesign
The HRADesign is a general-purpose rotor airfoil aerodynamic design and evaluation software platform. The main purpose of developing this platform is to provide an universal
efficient
high-fidelity
and robust design optimization framework for designing high-performance rotor airfoils of advanced helicopters. Rotor airfoil design
which is a multi-point
multi-objective
and strong-constrained process
is one of the core techniques of helicopter rotor aerodynamic design. According to the characteristics of rotor airfoil design
the HRADesign has developed multi-objective evolutionary algorithms
a PCA multi-objective dimensionality reduction technique
an airfoil parameterization based CST method
Kriging surrogate models
high-fidelity CFD analysis tools and so on
and has also constructed a multi-objectives optimization process based on evolutionary algorithms. By introducing the platform architecture
the main functional modules
and the multi-objective optimization process in detail
the flexibility of the system architecture design and the completeness of the functional modules are demonstrated. At last
system functions had been verified through three examples including a ADODG benchmark case
a conventional multi-objective rotor-airfoil optimization
and an optimization test considering multi-objective dimensionality reduction. The results show that the overall performance of the optimized rotor airfoil is significantly improved under the constraints
which verifies the effectiveness and reliability of the optimization system.
关键词
Keywords
references
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