Efficient and accurate nonlinear model reduction via first-order empirical interpolation
We present a model reduction approach that extends the original empirical interpolation
method to enable accurate and efficient reduced basis approximation of parametrized …
method to enable accurate and efficient reduced basis approximation of parametrized …
A parametric analysis of reduced order models of viscous flows in turbomachinery
BI Epureanu - Journal of fluids and structures, 2003 - Elsevier
The unsteady flow created by a cascade of oscillating airfoils is investigated. A frequency-
domain model is constructed and the proper orthogonal decomposition technique is applied …
domain model is constructed and the proper orthogonal decomposition technique is applied …
A comparative study of learning techniques for the compressible aerodynamics over a transonic RAE2822 airfoil
In this study, the modeling of the compressible pressure field on the RAE 2822 airfoil using
deep learning (DL) is investigated. The objective is to generate, at low cost, the complete …
deep learning (DL) is investigated. The objective is to generate, at low cost, the complete …
Separated response surfaces for flows in parametrised domains: comparison of a priori and a posteriori PGD algorithms
Reduced order models (ROM) are commonly employed to solve parametric problems and to
devise inexpensive response surfaces to evaluate quantities of interest in real-time. There …
devise inexpensive response surfaces to evaluate quantities of interest in real-time. There …
Dimensionality reduction techniques applied to the design of hypersonic aerial systems
K Decker, HD Schwartz, D Mavris - AIAA Aviation 2020 Forum, 2020 - arc.aiaa.org
This study presents a methodology for the use of parametric Reduced Order Modeling
(ROM) techniques to generate predictive models of hypersonic aerodynamic flow fields. The …
(ROM) techniques to generate predictive models of hypersonic aerodynamic flow fields. The …
Component-level proper orthogonal decomposition for flexible multibody systems
Y Hou, C Liu, H Hu - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
Nonlinear finite element methods such as isogeometric analysis and absolute nodal
coordinate formulation can be applied to modeling the flexible multibody systems (FMBS) …
coordinate formulation can be applied to modeling the flexible multibody systems (FMBS) …
Manifold alignment-based nonintrusive and nonlinear multifidelity reduced-order modeling
This study presents the development of a methodology for the construction of data-driven,
parametric, multifidelity reduced-order models to emulate aerodynamic flowfields with …
parametric, multifidelity reduced-order models to emulate aerodynamic flowfields with …
[HTML][HTML] 基于POD 方法的复杂外形飞行器热环境快速预测方法
聂春生， 黄建栋， 王迅， 李宇 - 空气动力学学报, 2017 - html.rhhz.net
使用CFD 数值方法获得三维热环境数据库, 利用本征正交分解对CFD 数据库进行降阶处理,
结合相应的基系数插值方法, 快速预测出未知状态下满足精度要求的表面热环境参数. 以Hermes …
结合相应的基系数插值方法, 快速预测出未知状态下满足精度要求的表面热环境参数. 以Hermes …
[HTML][HTML] An evolve-then-correct reduced order model for hidden fluid dynamics
In this paper, we put forth an evolve-then-correct reduced order modeling approach that
combines intrusive and nonintrusive models to take hidden physical processes into account …
combines intrusive and nonintrusive models to take hidden physical processes into account …
Reduced-order modelling of limit-cycle oscillation for aeroelastic systems
Limit-cycle oscillations (LCOs) of a nonlinear panel in supersonic flow are computed using a
reduced-order aeroelastic model. Panel dynamics are governed by the large-deflection …
reduced-order aeroelastic model. Panel dynamics are governed by the large-deflection …