Improved Flutter Boundary Prediction for an Isolated Two-Degree-of-Freedom Airfoil

被引：8
|
作者：
Schwarz, Jordan B. [1 ]
Dowell, Earl H. [1 ]
Thomas, Jeffrey P. [1 ]
Hall, Kenneth C. [1 ]
Rausch, Russ D. [2 ]
Bertels, Robert E. [2 ]
机构：
[1] Duke Univ, Dept Mech Engn & Mat Sci, Durham, NC 27708 USA
[2] NASA, Langley Res Ctr, Aeroelast Branch, Hampton, VA 23681 USA
来源：
JOURNAL OF AIRCRAFT | 2009年 / 46卷 / 06期
关键词：
D O I：
10.2514/1.30703
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A novel method of computing the flutter boundary for all isolated airfoil based on a high-fidelity computational fluid dynamics model reveals unusual behavior in a critical transonic range. Inviscid and viscous predictions of the flutter boundary for the two airfoils examined differ substantially in this critical region and become sensitive to Mach number and grid topology due to complicated shock/boundary-layer interactions. Computational fluid dynamics predictions of the flutter boundary for a NACA 0012 section airfoil are also compared with previous experimental results.
引用
收藏
页码：2069 / 2076
页数：8
相关论文
共 50 条
  • [1] Divergence and Flutter Instabilities of Some Constrained Two-Degree-of-Freedom Systems
    Nicot, Francois
    Lerbet, Jean
    Darve, Felix
    JOURNAL OF ENGINEERING MECHANICS, 2014, 140 (01) : 47 - 52
  • [2] Nonlinear aeroelastic response of a two-degree-of-freedom airfoil oscillating in dynamic stall
    Price, SJ
    Fragiskatos, G
    FLOW-INDUCED VIBRATION, 2000, : 437 - 444
  • [3] Experimental study on the flutter-induced motion of two-degree-of-freedom plates
    Pigolotti, Luca
    Mannini, Claudio
    Bartoli, Gianni
    JOURNAL OF FLUIDS AND STRUCTURES, 2017, 75 : 77 - 98
  • [4] Dynamic analysis of two-degree-of-freedom airfoil with freeplay and cubic nonlinearities in supersonic flow
    Hu-lun Guo
    Yu-shu Chen
    Applied Mathematics and Mechanics, 2012, 33 : 1 - 14
  • [5] Dynamic analysis of two-degree-of-freedom airfoil with freeplay and cubic nonlinearities in supersonic flow
    郭虎伦
    陈予恕
    Applied Mathematics and Mechanics(English Edition), 2012, 33 (01) : 1 - 14
  • [6] Dynamic analysis of two-degree-of-freedom airfoil with freeplay and cubic nonlinearities in supersonic flow
    Guo, Hu-lun
    Chen, Yu-shu
    APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION, 2012, 33 (01) : 1 - 14
  • [7] An improved two-degree-of-freedom ADRC for asynchronous motor vector system
    Wan, Changhui
    Duan, Na
    Xie, Guochao
    Liu, Yuang
    IET CONTROL THEORY AND APPLICATIONS, 2024, 18 (14): : 1854 - 1867
  • [8] A novel two-degree-of-freedom motor
    Zou, JM
    Cheng, SK
    ICEMS'2001: PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS, VOLS I AND II, 2001, : 1007 - 1009
  • [9] Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment
    Wierschem, Nicholas E.
    Quinn, D. Dane
    Hubbard, Sean A.
    Al-Shudeifat, Mohammad A.
    McFarland, D. Michael
    Luo, Jie
    Fahnestock, Larry A.
    Spencer, Billie F., Jr.
    Vakakis, Alexander F.
    Bergman, Lawrence A.
    JOURNAL OF SOUND AND VIBRATION, 2012, 331 (25) : 5393 - 5407
  • [10] Critical and post-critical behaviour of two-degree-of-freedom flutter-based generators
    Pigolotti, Luca
    Mannini, Claudio
    Bartoli, Gianni
    Thiele, Klaus
    JOURNAL OF SOUND AND VIBRATION, 2017, 404 : 116 - 140
12345