[1]李宇飞,白俊强,刘南,等.间隙非线性对二元翼段颤振特性影响[J].哈尔滨工程大学学报,2019,40(04):730-737.[doi:10.11990/jheu.201709113]
 LI Yufei,BAI Junqiang,LIU Nan,et al.Analysis of aeroelastic characteristics of 2-D wing with free play[J].hebgcdxxb,2019,40(04):730-737.[doi:10.11990/jheu.201709113]
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间隙非线性对二元翼段颤振特性影响(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年04期
页码:
730-737
栏目:
出版日期:
2019-04-05

文章信息/Info

Title:
Analysis of aeroelastic characteristics of 2-D wing with free play
作者:
李宇飞1 白俊强1 刘南2 李国俊1 何小龙1
1. 西北工业大学 航空学院, 陕西 西安 710072;
2. 中国航空工业空气动力研究院, 辽宁 沈阳 110034
Author(s):
LI Yufei1 BAI Junqiang1 LIU Nan2 LI Guojun1 HE Xiaolong1
1. School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;
2. AVIC Aerodynamic Research Institute, Shenyang 110034, China
关键词:
非定常气动力气动弹性颤振跨音速计算流体力学时域分析翼型间隙非线性极限环振荡预加载
分类号:
V211.47
DOI:
10.11990/jheu.201709113
文献标志码:
A
摘要:
为了研究间隙非线性对颤振特性的影响,本文采用基于非定常雷诺平均方程的非定常气动力求解方法,耦合结构运动方程建立了时域气动弹性分析系统,并运用该系统计算三自由度无间隙二元翼段构型的颤振速度。采用描述函数法对间隙问题进行处理,得到了间隙非线性所带来的极限环振荡现象,并分析亚跨音速阶段间隙大小对颤振特性的影响。通过研究预加载对颤振特性的影响,得出预加载能够减弱间隙非线性影响,有效提高系统颤振速度。

参考文献/References:

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[12] 方同, 薛璞. 振动理论及应用[M]. 西安:西北工业大学出版社, 1998:100-107.FANG Tong, XUE Pu. Vibration theory and application[M]. Xi’an:Northwestern Polytechnical University Press, 1998:100-107.
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备注/Memo

备注/Memo:
收稿日期:2017-09-26。
基金项目:国家自然科学基金项目(2014CB744804);产学研基金项目(cxy2014XGD09).
作者简介:李宇飞,男,博士研究生;白俊强,男,教授,博士生导师.
通讯作者:白俊强,E-mail:junqiang@nwpu.edu.cn
更新日期/Last Update: 2019-04-03