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长春光学精密机械与物... [1]
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Time-Domain Aeroelasticity Analysis by a Tightly Coupled Fluid-Structure Interaction Methodology
期刊论文
OAI收割
APPLIED SCIENCES-BASEL, 12, 2021, 卷号: 11, 页码: 5389
作者:
Liu ZY(刘忠宇)
;
Nie XY(聂雪媛)
;
Zheng GN(郑冠男)
;
Yang GW(杨国伟)
  |  
收藏
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浏览/下载:23/0
  |  
提交时间:2022/10/25
CFD
CSD coupling
flutter boundary
computational aeroelasticity
Experimental and computational investigation of a full aircraft flutter at transonic speeds
会议论文
OAI收割
Bristol, United kingdom, June 24, 2013 - June 27, 2013
作者:
Qian W
;
Yang GW(杨国伟)
;
Luo JG
;
Yang R
;
Zhang GJ
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收藏
  |  
浏览/下载:20/0
  |  
提交时间:2018/11/08
Aeroelasticity
Aircraft manufacture
Airframes
Computational fluid dynamics
Elastic waves
Flutter (aerodynamics)
Structural dynamics
Supersonic aircraft
Transonic aerodynamics
Viscous flow
Wind stress
Wind tunnels
Aircraft structure
CFD simulations
CFD/CSD
Computational investigation
Flutter boundary predictions
Transonic flutter
Unsteady aerodynamics
Wind tunnel tests
A strong coupled CFD-CSD method on computational aeroelastity (EI CONFERENCE)
会议论文
OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Xi R.
;
Jia H.
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浏览/下载:67/0
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提交时间:2013/03/25
In this paper
a strong coupled CFD-CSD method is developed to simulate the aeroelastic phenomena. The CFD solver is based on the finite-volume algorithm for the Navier-Stokes equations on unstructured grid. The CSD solver solves the aeroelastic governing equations in the modal space. Their coupling is realized by a dual-time method. The spring-based smoothing method is adopted to deform and regenerate the aerodynamic grid. Two test cases are selected to validate the authors' method for static and dynamic aeroelastity .The results of the simulation for the static aeroelastic problems of a missile wing show that the Lift Coefficient and Drag Coefficient are severally 7% and 5% lower than those don't consider the elasticity of the wing. The results for the flutter boundary prediction of the AGARD 445.6 wing have been proved much closer to the experiment than using the DLM. This method can describe the effects of fluid viscosity more exactly for highly nonlinear transonic flight conditions. The calculation has proved reliable in the subsonic regime
but not accurate enough in the supersonic regime. 2011 IEEE.