复合材料飞机结构低速风洞颤振模型的设计

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2006, Vol. 27 ›› Issue (2): 232-235.

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

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

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

Abstract

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

CLC Number:

ZENG Dong;YAN Ying;LIU Bing-shan;QIAN Wei. Design of Low-Velocity Wing Tunnel Flutter Model of Aircraft Composite Structure[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2006, 27(2): 232-235.

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

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