航空学报 > 2006, Vol. 27 Issue (2): 232-235

复合材料飞机结构低速风洞颤振模型的设计

曾东1, 燕瑛1, 刘兵山1, 钱卫2   

  1. 1. 北京航空航天大学 航空科学与工程学院, 北京 100083;2. 沈阳飞机设计研究所, 辽宁 沈阳 110035
  • 收稿日期:2004-10-18 修回日期:2005-03-15 出版日期:2006-04-25 发布日期:2006-04-25

Design of Low-Velocity Wing Tunnel Flutter Model of Aircraft Composite Structure

ZENG Dong1, YAN Ying1, LIU Bing-shan1, QIAN Wei2   

  1. 1. School of Aeronautical Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;2. Shenyang Aircraft Design Research Institute, Shenyang 110035, China
  • Received:2004-10-18 Revised:2005-03-15 Online:2006-04-25 Published:2006-04-25

摘要: 金属飞机结构到复合材料结构的颤振模型设计,要求采用刚度等代法来完成,然而一般的设计方法通常需要消耗大量时间。为此,针对飞机结构有限元模型,提出一种基于设计元素的设计方法,对有限元模型进一步离散,以刚度为主要等代依据、工程设计和制造要求等为约束条件,完成金属结构到复合材料结构的等代设计。结合实验结果,验证了该设计方法的可行性与合理性。

关键词: 复合材料飞机结构, 颤振模型, 设计元素, 有限元

Abstract: Design of flutter model from aircraft metal structure to composite structure can be achieved by equation of stiffness, yet it may cost much time for general design method. A design method based on design element for finite element model of aircraft structure is proposed in this paper. First the finite element model is discreted further, then the design process can be finished based on equation of stiffness and with engineer design-produce as constrain condition. Combining experiment results, the feasibility and rationality of the design method are validated.

Key words: composite aircraft structure, flutter model, design element, finite element

中图分类号: