直升机无轴承尾桨有限元建模及分析方法研究  

Research on finite element modeling and analysis method of bearingless tail rotor of helicopter

作　　者：胡磊[1] 岳巍[1] Hu Lei;Yue Wei(China Helicopter Research and Development Institute,Jingdezhen 333001,China)

机构地区：[1]中国直升机设计研究所

出　　处：《无线互联科技》2019年第14期104-108,共5页Wireless Internet Technology

摘　　要：直升机无轴承尾桨结构简洁,具有良好的维护性与可靠性,是直升机尾桨技术的发展方向之一。以结构刚度突变区和柔性梁大变形段为主要研究目标,应用ABAQUS软件,通过合理简化,建立了无轴承尾桨的有限元模型,并对其典型工况进行了有限元应力分析。通过分析研究,文章建立了一个满足工程应用的有限元模型,为无轴承尾桨的强度分析工作提供了改进方向。Bearingless tail rotor of helicopter has good maintenance and reliability.Bearingless tail rotor represents the advanced technology development of tail rotor of helicopter.This paper works on stiffness mutation and nonlinear displacement of bearingless tail rotor structure.ABAQUS software is used to establish a finite element model of bearingless tail rotor.The finite element model is used to analyse the strain distribution of stiffness mutation area and the effect of stiffness mutation.Through these works,some improving advices will be provided for strength design of bearingless tail rotor.

关 键 词：无轴承尾桨 有限元模型 ABAQUS软件 

分 类 号：V215[航空宇航科学与技术—航空宇航推进理论与工程]