IMECH-IR  > 力学所知识产出(1956-2008)
Numerical analyses of discrete gust response for a flexible aircraft
Yang GW(杨国伟); Obayashi S
Source Publication21st AIAA Applied Aerodynamics Conference
Conference Name21st AIAA Applied Aerodynamics Conference 2003
Conference DateJune 23, 2003 - June 26, 2003
Conference PlaceOrlando, FL, United states
AbstractBased on Navier-Stokes equations and structural and flight dynamic equations of motion, dynamic responses in vertical discrete gust flow perturbation are investigated for a supersonic transport model. A tightly coupled method was developed by the subiteration between aerodynamic equations and dynamic equations of motion. First, under the assumption of rigid-body and single freedom of motion in the vertical plunging, the results of direct-coupling method are compared with the results of quasi-steady model method. Then gust responses for the one-minus-cosine gust profile are analyzed with two freedoms of motion in plunging and pitching for the rigid and flexible airplane configurations. © 2003 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.
KeywordDirect-coupling Method Dynamic Equations Of Motion Flexible Aircraft Flexible Airplane Freedom Of Motion One-minus-cosine Gust Quasi-steady Model Supersonic Transport
Indexed ByEI
Document Type会议论文
Recommended Citation
GB/T 7714
Yang GW,Obayashi S. Numerical analyses of discrete gust response for a flexible aircraft[C]21st AIAA Applied Aerodynamics Conference,2003.
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