Aerodynamic optimization design of large civil aircraft using pressure distribution inverse design method based on discrete adjoint

被引：0
|
作者：
Liu F. [1 ]
Jiang C. [1 ]
Ma T. [2 ]
Liang Y. [1 ]
机构：
[1] AVIC Aeronautics Computing Technique Research Institute, Xi'an
[2] COMAC Shanghai Aircraft Design and Research Institute, Shanghai
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2020年 / 41卷 / 05期
关键词：
Aerodynamic optimization design; Discrete adjoint method; Inverse design; Multipoint optimization; Supercritical wing;
D O I：
10.7527/S1000-6893.2019.23372
中图分类号：
学科分类号：
摘要：
From the engineering application point of view, the application of the discrete adjoint companion pressure distribution inverse design optimization method in the design of wide-body civil aircraft wing is studied. The optimization design idea of three-dimensional configuration combined with pressure distribution inverse design and adjoint optimization is proposed, which promotes the engineering of discrete adjoint aerodynamic optimization design method. Firstly, the three-dimensional pressure distribution inverse design is carried out for the CRM wing configuration, which verifies the accuracy and efficiency of the discrete adjoint pressure distribution inverse design in the three-dimensional problem. Secondly, based on the new optimization design idea proposed by the application, the pressure distribution inverse design constraint method is introduced on the basis of a wide-body full-body two-point aerodynamic optimization result, and the wing pressure distribution and the resistance creep increase characteristic of the low Mach number are improved. And achieved good drag reduction and resistance divergence characteristics to improve the engineering applicability of the optimized configuration. © 2020, Press of Chinese Journal of Aeronautics. All right reserved.
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