Data-driven modeling for unsteady aerodynamics and aeroelasticity

J Kou, W Zhang - Progress in Aerospace Sciences, 2021 - Elsevier
Aerodynamic modeling plays an important role in multiphysics and design problems, in
addition to experiment and numerical simulation, due to its low-dimensional representation …

Transonic aeroelasticity: A new perspective from the fluid mode

C Gao, W Zhang - Progress in Aerospace Sciences, 2020 - Elsevier
Within the transonic regime, the aeroelastic problems exhibit many unique characteristics
compared with subsonic and supersonic cases. Although a lot of research has been carried …

Machine learning methods for turbulence modeling in subsonic flows around airfoils

L Zhu, W Zhang, J Kou, Y Liu - Physics of Fluids, 2019 - pubs.aip.org
In recent years, the data-driven turbulence model has attracted widespread concern in fluid
mechanics. The existing approaches modify or supplement the original turbulence model by …

Fast predictions of aircraft aerodynamics using deep-learning techniques

C Sabater, P Stürmer, P Bekemeyer - AIAA Journal, 2022 - arc.aiaa.org
The numerical analysis of aerodynamic components based on the Reynolds–averaged
Navier–Stokes equations has become critical for the design of transport aircraft but still …

Graph neural networks for the prediction of aircraft surface pressure distributions

D Hines, P Bekemeyer - Aerospace Science and Technology, 2023 - Elsevier
Aircraft design requires a multitude of aerodynamic data and providing this solely based on
high-quality methods such as computational fluid dynamics is prohibitive from a cost and …

Multi-fidelity nonlinear unsteady aerodynamic modeling and uncertainty estimation based on Hierarchical Kriging

X Peng, J Kou, W Zhang - Applied Mathematical Modelling, 2023 - Elsevier
By fusing aerodynamic data from multiple sources, multi-fidelity methods can well balance
model accuracy and computational cost. To extend multi-fidelity models for predicting …

Neural networks-based aerodynamic data modeling: A comprehensive review

L Hu, J Zhang, Y **ang, W Wang - IEEE Access, 2020 - ieeexplore.ieee.org
This paper reviews studies on neural networks in aerodynamic data modeling. In this paper,
we analyze the shortcomings of computational fluid dynamics (CFD) and traditional reduced …

A hybrid reduced-order framework for complex aeroelastic simulations

J Kou, W Zhang - Aerospace science and technology, 2019 - Elsevier
This paper develops a hybrid and parallel-structured reduced-order framework for modeling
unsteady aerodynamics, which incorporates both linear and nonlinear system identification …

Nonlinear aeroelastic prediction in transonic buffeting flow by deep neural network

Z Dou, C Gao, W Zhang, Y Tao - AIAA Journal, 2023 - arc.aiaa.org
Transonic buffet is an aerodynamic phenomenon of self-sustained shock oscillations. The
aeroelastic problem caused by it is very complex, including two different dynamic modes …

[HTML][HTML] Multi-fidelity modeling framework for nonlinear unsteady aerodynamics of airfoils

J Kou, W Zhang - Applied Mathematical Modelling, 2019 - Elsevier
Aerodynamic data can be obtained from different sources, which vary in fidelity, availability
and cost. As the fidelity of data increases, the cost of data acquisition usually becomes …