现代防御技术2025，Vol.53Issue(3)：57-65,9.DOI:10.3969/j.issn.1009-086x.2025.03.007
倾转旋翼无人机悬停状态气动弹性数值模拟
Aeroelastic Simulation of Tiltrotor Unmanned Aerial Vehicle in Hover
王宗辉 1赵弘睿 2杨云军 2汪艳伟1
作者信息
- 1. 中国航天空气动力技术研究院,北京 100074||彩虹无人机科技有限公司,北京 100074
- 2. 中国航天空气动力技术研究院,北京 100074
- 折叠
摘要
Abstract
The tiltrotor UAV has both hovering and vertical takeoff and landing capabilities in the air,as well as high speed cruise performance.Aiming at the problem that the rigid aerodynamic shape of a tiltrotor UAV cannot accurately simulate the real flight performance due to the structural deformation of the elastic material,a CFD/CSD coupling method combining rotor bi-directional loose coupling and wing unidirectional coupling is proposed to numerically simulate the aeroelastic problem of tiltrotor UAV in hover state.Using aeroelastic tailoring to optimize the composite layer of the blade,the maximum deformation displacement of the blade is reduced from 22.34 mm to 17.1 mm,and the hovering efficiency is improved from 69.95％to 72.69％.Computational simulations are conducted on the entire aircraft flow field,and the results show that after considering structural elastic deformation,the increase in thrust generated by the entire aircraft rotor system compared to the individual rotor system decreases from 2.09％to 1.18％.The high-pressure zone generated by the rotor downwash on the deformed wing surface shifts approximately 0.1m towards the wing tip direction compared to the undeformed wing.关键词
倾转旋翼无人机/气动弹性/气动弹性剪裁/悬停效率/气动干扰/CFD/CSD耦合Key words
tiltrotor UAV/aeroelasticity/aeroelastic tailoring/hover efficiency/aerodynamic interference/CFD/CSD coupling method分类
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王宗辉,赵弘睿,杨云军,汪艳伟..倾转旋翼无人机悬停状态气动弹性数值模拟[J].现代防御技术,2025,53(3):57-65,9.
