Data-Driven Modal Decomposition Methods as Feature Detection Techniques for Flow Fields in Hydraulic Machinery: A Mini Review

B Xu, L Zhang, W Zhang, Y Deng, TN Wong - Journal of Marine Science …, 2024 - mdpi.com
Cavitation is a quasi-periodic process, and its non-stationarity leads to increasingly complex
flow field structures. On the other hand, characterizing the flow field with greater precision …

The effect of flight on a turbulent jet: coherent structure eduction and resolvent analysis

IA Maia, L Heidt, E Pickering, T Colonius… - Journal of Fluid …, 2024 - cambridge.org
We study coherent structures in subsonic turbulent jets subject to a flight stream. A thorough
characterisation of the effects of a flight stream on the turbulent field was recently performed …

[HTML][HTML] State of the Art of CFD-DEM Coupled Modeling and Its Application in Turbulent Flow-Induced Soil Erosion

J Xu, F Wang, R Abegaz - Geosciences, 2025 - mdpi.com
Fluid–soil interaction plays a pivotal role in various geotechnical engineering applications,
as it significantly influences processes such as erosion, sediment transport, and soil stability …

Conditional space-time POD extensions for stability and prediction analysis

SL Stahl, C Prasad, H Goparaju, D Gaitonde - Journal of Computational …, 2023 - Elsevier
The correlation and extraction of coherent structures from a turbulent flow is a principal
objective of data-driven modal decomposition techniques. The Conditional space-time …

Linear stability and spectral modal decomposition of three-dimensional turbulent wake flow of a generic high-speed train

XB Li, S Demange, G Chen, JB Wang, XF Liang… - arXiv preprint arXiv …, 2024 - arxiv.org
This work investigates the spatio-temporal evolution of coherentstructures in the wake of a
generic high-speed train. Spectral properorthogonal decomposition is used to extract energy …

On the Low-Frequency Dynamics of Turbulent Separation Bubbles

C Cura, A Hanifi, AVG Cavalieri, J Weiss - arXiv preprint arXiv:2311.13446, 2023 - arxiv.org
The low-frequency modal and non-modal stability characteristics of an incompressible,
pressure-gradient-induced turbulent separation bubble (TSB) are investigated with the …

Linear and nonlinear receptivity mechanisms in boundary layers subject to free-stream turbulence

DCP Blanco, A Hanifi, DS Henningson… - Journal of Fluid …, 2024 - cambridge.org
Large-eddy simulations of a flat-plate boundary layer, without a leading edge, subject to
multiple levels of incoming free-stream turbulence are considered in the present work …

Modeling closed-loop control of installation noise using Ginzburg-Landau equation

U Karban, E Martini, P Jordan - arXiv preprint arXiv:2303.03176, 2023 - arxiv.org
Installation noise is a dominant source associated with aircraft jet engines. Recent studies
show that linear wavepacket models can be employed for prediction of installation noise …

Modeling closed-loop control of installed jet noise using ginzburg-landau equation

U Karban, E Martini, P Jordan - Flow, Turbulence and Combustion, 2024 - Springer
Installation noise is a dominant source associated with aircraft jet engines. Recent studies
show that linear wavepacket models can be employed for prediction of installation noise …

Revealing Structure and Symmetry of Nonlinearity in Natural and Engineering Flows

B Yeung, T Chu, OT Schmidt - arXiv preprint arXiv:2411.12057, 2024 - arxiv.org
Energy transfer across scales is fundamental in fluid dynamics, linking large-scale flow
motions to small-scale turbulent structures in engineering and natural environments. Triadic …