Aeroelastic optimization for overall design of joined wing

被引：0
|
作者：
Li X. [1 ]
Wan Z. [1 ]
Wang X. [2 ]
Li K. [1 ]
Yang C. [1 ]
机构：
[1] School of Aeronautic Science and Engineering, Beihang University, Beijing
[2] Institute of Unmanned System, Beihang University, Beijing
来源：
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2023年 / 49卷 / 12期
关键词：
aeroelasticity; joined wing; layout parameters; overall stiffness; wing structure coefficient;
D O I：
10.13700/j.bh.1001-5965.2022.0074
中图分类号：
学科分类号：
摘要：
Due to the connection between the front wing and the rear wing, the aerodynamic and structural characteristics of the joined wing aircraft are different from those of the conventional layout aircraft. The interconnected wings form a complex over-constrained system that has numerous layout parameters, increased multidisciplinary design space and analysis difficulty. The aeroelastic optimization based on the engineering beam theory is carried out to research the influence of different layout parameters on the overall performance of the joined wing, mainly including joint locations, forward/backward sweep angle, positive/negative dihedrals, plate height, taper ratio, and other parameters. Aiming at the minimum structural weight, under the constraints of static aeroelasticity and flutter, the parameters of the wing box section of the joined wing are designed by a genetic algorithm, and the lift-drag characteristics of the optimized model are analyzed by using a high-precision computational fluid dynamics/ computational structural dynamic （CFD/CSD）coupling method. Aeroelastic optimization is used to determine the linked wing's layout characteristics for the best possible structural and aerodynamic performances. The results indicate that the optimal solution set for each important parameter of the joined wing can discover the laws of the joined wing design and provide support for the design. © 2023 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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页码：3343 / 3354
页数：11
相关论文
共 30 条
  • [11] DEMASI L, LIVNE E., The structural order reduction challenge in the case of geometrically nonlinear joined-wing confgurations, Proceedings of the 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, (2007)
  • [12] CAVALLARO R, IANNELLI A, DEMASI L, Et al., Phenomenology of nonlinear aeroelastic responses of highly deformable joined wings, Advances in Aircraft and Spacecraft Science, 2, 2, pp. 125-168, (2015)
  • [13] LIVNE E., Aeroelasticity of joined-wing airplane configurations - Past work and future challenges - a survey, Proceedings of the 19th AIAA Applied Aerodynamics Conference, (2001)
  • [14] BOMBARDIERI R, CAVALLARO R, DEMASI L., A historical perspective on the aeroelasticity of box wings and prandtlplane with new findings, Proceedings of the 44th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics, and Materials Conference, (2016)
  • [15] LI S H, YANG Z C, GU Y S, Et al., A different aeroelastic tailoring of a composite joined-wing, Journal of Northwestern Polytechnical University, 26, 3, pp. 292-296, (2008)
  • [16] ZHANG B C, WAN Z Q, YANG C., Flight loads and flutter anlysis of the joined wing aircraft, Engineering Mechanics, 27, 8, pp. 229-233, (2010)
  • [17] YANG X P, ZHANG L Z., Aerodynamic optimization design of the joined-wing configuration considering static aeroelastics, Science Technology and Engineering, 10, 18, pp. 4566-4569, (2010)
  • [18] HOU X M, HUANG J., Study of model build of double-podded joined-wing solar powered aircraft, Aircraft Design, 33, 1, pp. 6-9, (2013)
  • [19] ZHANG S J, WANG Y T, MENG D H., Study on static aeroelasticity for high aspect ratio joined-wings, Acta Aerodynamica Sinica, 31, 2, pp. 170-174, (2013)
  • [20] ZHANG Q, ZHU X P, ZHOU Z, Et al., Numerical research on static aeroelasticity of joined wing based on CFD/CSD coupling, Journal of Northwestern Polytechnical University, 34, 3, pp. 437-442, (2016)
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