Nonlinear aeroelasticity modeling using a reduced order model based on proper orthogonal decomposition

被引：0
|
作者：
Feng, Zhengkun [1 ]
Soulaimani, Azzeddine [1 ]
机构：
[1] Ecole Technol Super, Dept Mech Engn, Montreal, PQ H3C 1K3, Canada
来源：
PROCEEDINGS OF THE ASME PRESSURE VESSELS AND PIPING CONFERENCE 2007, VOL 4: FLUID-STRUCTURE INTERACTION | 2008年
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D O I：
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中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Investigations of nonlinear aeroelasticity of flexible structures subjected to unsteady transonic flows were carried out by means of an aeroelasticity model coupled with a reduced order CFD model based on POD (proper orthogonal decomposition) method The reduced order model is a three-dimensional with moving fluid boundaries. The CFD model order was reduced from more than 150000 of the full order model to 200 of the reduced order model and Limit Oscillation Cycle (LCO) was observed The dynamic responses of the system were simulated with the coupled model. Qualitatively, the numerical simulations on AGARD 445.6 from the nonlinear aeroelasticity model coupled with the reduced order CFD model agree with those from the model coupled with the full order CFD model.
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页码：3 / 10
页数：8
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