A high dimensional harmonic balance approach for an aeroelastic airfoil with cubic restoring forces

被引：59
|
作者：
Liu, L. [1 ]
Dowell, E. H.
Thomas, J. P.
机构：
[1] Univ Texas Pan Amer, Dept Math, Edinburg, TX 78541 USA
[2] Duke Univ, Dept Mech Engn & Mat Sci, Durham, NC 27708 USA
来源：
JOURNAL OF FLUIDS AND STRUCTURES | 2007年 / 23卷 / 03期
关键词：
high dimensional harmonic balance method; airfoil; cubic nonlinearity; secondary bifurcation; limit cycle oscillations;
D O I：
10.1016/j.jfluidstructs.2006.09.005
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This is a study of a two-dimensional airfoil including a cubic spring stiffness placed in an incompressible flow. A new formulation of the harmonic balance method is employed for the aeroelastic airfoil to investigate the amplitude and frequency of the limit cycle oscillations. The results are compared with the results from the classical harmonic balance approach and from the conventional time marching integration method. (C) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：351 / 363
页数：13
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