Nonlinear dynamics of a two dimensional airfoil with freeplay in an inviscid compressible flow

Zoran Dimitrijevic; Guy Daniel Mortchelewicz; Fabrice Poirion

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Nonlinear dynamics of a two dimensional airfoil with freeplay in an inviscid compressible flow

机译：无粘性可压缩流动中具有自由游隙的二维翼型的非线性动力学

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A state space model for the aerodynamic loads calculated by means of a linearized CFD code which models the inviscid compressible flow is used to analyze the dynamic behavior of a two dimensional airfoil with a freeplay structural nonlinearity in pitch. The state space aeroelastic equations of motion are utilized to study the existence of Hopf bifurcation points and of limit cycle oscillations. Comparisons between the solutions of the coupled Euler-structural equations and the state space equations are provided.

机译：通过建模无粘性可压缩流的线性化CFD代码计算出的空气动力学载荷的状态空间模型，用于分析具有节距自由结构非线性的二维机翼的动力特性。利用状态空间气动弹性运动方程来研究Hopf分叉点和极限循环振荡的存在。给出了耦合的欧拉结构方程和状态空间方程解的比较。

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来源
《Aerospace science and technology》 |2000年第2期|p.125-133|共9页
作者
Zoran Dimitrijevic; Guy Daniel Mortchelewicz; Fabrice Poirion;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类航空、航天;
关键词
aeroelasticity; transonic; Hopf bifurcation;

机译：空气弹性跨音速的Hopf分叉;

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专利

1. Dynamic analysis of two-degree-of-freedom airfoil with freeplay and cubic nonlinearities in supersonic flow [J] . Hu-lun GUO, Yu-shu CHEN 应用数学和力学（英文版） . 2012,第001期

机译：超音速流中具有自由运动和立方非线性的两自由度翼型的动力学分析
2. Dynamic analysis of two-degree-of-freedom airfoil with freeplay and cubic nonlinearities in supersonic flow [J] . 郭虎伦, 陈予恕应用数学和力学：英文版 . 2012,第001期

机译：超音速流中具有自由运动和立方非线性的两自由度翼型的动力学分析
3. Investigating the route to flutter in a pitch-plunge airfoil with freeplay nonlinearity subjected to input flow fluctuations [J] . R Magu Raam Prasaad, J Venkatramani MATEC Web of Conferences . 2018,第5期

机译：研究具有输入非线性波动的自由浮动非线性的俯仰插翼机翼中的颤振路径
4. 42th ISRAEL ANNUAL CONFERENCE ON AEROSPACE SCIENCES ISRAEL, FEBRUARY 20-21, 2002 LIMIT CYCLE ANALYSIS OF A STRUCTURE IN AN INVISCID COMPRESSIBLE FLOW IN PRESENCE OF FREEPLAY NONLINEARITIES [C] . Guy Daniel Mortchelewicz, Ludovic Daudois Israel annual conference on aerospace sciences . 2002

机译：42以色列以色列航空航天科学年会2月20日至21日，2002年2月20日至21日限制了在空闲的非线性存在下存在的无粘性可压缩流程中结构的周期分析
5. Aerodynamic design via optimal control approach for inviscid and viscous compressible flows. [D] . Matsuzawa, Toyoki. 2000

机译：通过最佳控制方法进行的气动设计，适用于不粘稠和可压缩的流动。
6. Precession and nutation dynamics of nonlinearly coupled non-coaxial three-dimensional matter wave vortices [O] . R. Driben, V. V. Konotop, T. Meier -1

机译：非线性耦合非同轴三维物质波涡旋的进动和章动动力学
7. Investigating the route to flutter in a pitch-plunge airfoil with freeplay nonlinearity subjected to input flow fluctuations [O] . R Magu Raam Prasaad, J Venkatramani 2018

机译：调查在俯就的翼型中扑振的途径，具有对输入流动波动进行的自由扮演非线性

Nonlinear dynamics of a two dimensional airfoil with freeplay in an inviscid compressible flow

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