@inproceedings{6c4159edffe74d0a9698a0315734beba,
title = "Dynamic Mode Decomposition and Reconstruction of the Transient Pump-jet Propulsor Flow in Nominal Wake Fields",
abstract = "In this research, Dynamic Mode Decomposition (DMD) is employed to investigate the wake flow characteristics of a pre-swirl stator pump-jet propulsor (PJP) in nominal wake conditions. The dataset for DMD is derived from numerical simulations conducted via the Improved Delayed Detached Eddy Simulation (IDDES), which captures the influence of nominal wake on flow separation and vortex evolution. Modal analysis further reveals that the instability within the velocity field is dominated by the modes with rotor blade passing frequency (BPF) and its harmonics. The extracted top three dominant modes can essentially reconstruct the flow field structure.",
keywords = "Datadriven, Dynamic mode decomposition, Flow instability, IDDES, Pump-jet propulsor, Submarine, Wake evolution",
author = "Xinming Li and Han Li and Guang Pan and Qiaogao Huang",
note = "Publisher Copyright: {\textcopyright} 2025 by the International Society of Offshore and Polar Engineers (ISOPE).; 35th Annual International Ocean and Polar Engineering Conference, ISOPE 2025 ; Conference date: 01-06-2025 Through 06-06-2025",
year = "2025",
language = "英语",
isbn = "9781880653746",
series = "Proceedings of the International Offshore and Polar Engineering Conference",
publisher = "International Society of Offshore and Polar Engineers",
pages = "4425--4432",
editor = "Chung, \{Jin S.\} and Shiqiang Yan and Igor Buzin and Ivana Kubat and Lim, \{Frank K\} and Bor-Feng Peng and Ali Reza and Van, \{Suak Ho\} and Decheng Wan and Satoru Yamaguchi",
booktitle = "Proceedings of the 35th International Ocean and Polar Engineering Conference, 2025",
}