Flow reconstruction from sparse sensors based on reduced-order autoencoder state estimation

Z Luo, L Wang, J Xu, M Chen, J Yuan, ACC Tan - Physics of Fluids, 2023 - pubs.aip.org
The reconstruction of accurate and robust unsteady flow fields from sparse and noisy data in
real-life engineering tasks is challenging, particularly when sensors are randomly placed. To …

A deep learning framework for reconstructing experimental missing flow field of hydrofoil

Z Luo, L Wang, J Xu, J Yuan, M Chen, Y Li, ACC Tan - Ocean Engineering, 2024 - Elsevier
Hydrofoils play a crucial role in enhancing the efficiency of fluid machinery designed for
ocean environments, reducing lift-induced drag and contributing to improved overall …

A data-driven reduced-order model based on long short-term memory neural network for vortex-induced vibrations of a circular cylinder

A Nazvanova, MC Ong, G Yin - Physics of Fluids, 2023 - pubs.aip.org
A data-driven reduced-order model (ROM) based on long short-term memory neural network
(LSTM-NN) for the prediction of the flow past a circular cylinder undergoing two-degree-of …

Numerical study into the impact of fixed upstream cylinder diameter ratios on vibration of leeward tandem cylinders

MO Awadallah, C Jiang, O el Moctar - Ocean Engineering, 2023 - Elsevier
Multiple-cylinder fluid flows present challenges due to the strong interference between
wakes, shear layers, and Kármán vortex streets, resulting in high-amplitude vibration …

Vortex-induced vibrations of a cantilevered blunt plate: POD of TR-PIV measurements and structural modal analysis

Y Watine, C Gabillet, B Lossouarn, JF Deü… - Journal of Fluids and …, 2023 - Elsevier
Vortex-induced vibrations sustained by immersed bodies may induce early structural fatigue
and acoustic noise radiation. The present study consists of an experimental characterization …

Estimation of hydrodynamic forces on cylinders undergoing flow-induced vibrations based on modal analysis

G Yin, MJ Janocha, MC Ong - Journal of …, 2022 - asmedigitalcollection.asme.org
The objective of the present study is estimating hydrodynamic forces acting on cylinders
undergoing vortex-induced vibration (VIV) using dynamic mode decomposition (DMD). The …

Numerical study of flow characteristics around a 30° yawed circular cylinder at R e= 10 4

R Wang, S Cheng, DSK Ting - Physics of Fluids, 2023 - pubs.aip.org
Unstable motions of bridge stay cables have been observed on site and in wind tunnel tests
when a cable is yawed at certain orientations to wind. To uncover the underlying …

基于多特征提取的合成射流涡流控制机理研究.

郝春阳, 董祥瑞, 蔡天意, 周骛… - Engineering Mechanics …, 2024 - search.ebscohost.com
在横流的底部施加倾斜角为的合成射流, 并采用大涡模拟(LES) 对其周期性涡运动过程进行了
数值模拟, 研究不同激励参数条件下合成射流与横流相互作用涡环结构的产生机理及演变规律 …

[HTML][HTML] Research on the Flow-Induced Vibration of Cylindrical Structures Using Lagrangian-Based Dynamic Mode Decomposition

X Shi, Z Liu, T Guo, W Li, Z Niu, F Ling - Journal of Marine Science and …, 2024 - mdpi.com
An oscillating flow past a structure represents a complex, high-dimensional, and nonlinear
flow phenomenon, which can lead to the failure of structures due to material fatigue or …

Numerical Study of the Force Characteristics and Flow Field Patterns of a Cylinder in the Internal Solitary Wave

M Zhang, H Hu, A Ouahsine, P Du, X Huang… - Journal of Marine …, 2024 - mdpi.com
The density of the ocean is unevenly distributed along the depth direction, showing a
stratified structure. When there is an external disturbance, large-scale internal solitary waves …