Prediction of turbulent channel flow using Fourier neural operator-based machine-learning strategy

Y Wang, Z Li, Z Yuan, W Peng, T Liu, J Wang - Physical Review Fluids, 2024 - APS
Fast and accurate predictions of turbulent flows are of great importance in the science and
engineering field. In this paper, we investigate the implicit U-Net enhanced Fourier neural …

Conditional neural field latent diffusion model for generating spatiotemporal turbulence

P Du, MH Parikh, X Fan, XY Liu, JX Wang - Nature Communications, 2024 - nature.com
Eddy-resolving turbulence simulations are essential for understanding and controlling
complex unsteady fluid dynamics, with significant implications for engineering and scientific …

Multi-scale reconstruction of turbulent rotating flows with generative diffusion models

T Li, AS Lanotte, M Buzzicotti, F Bonaccorso, L Biferale - Atmosphere, 2023 - mdpi.com
We address the problem of data augmentation in a rotating turbulence set-up, a
paradigmatic challenge in geophysical applications. The goal is to reconstruct information in …

High-fidelity reconstruction of large-area damaged turbulent fields with a physically constrained generative adversarial network

Q Zheng, T Li, B Ma, L Fu, X Li - Physical Review Fluids, 2024 - APS
The reconstruction of incomplete information in flow fields is a pervasive challenge in
numerous turbulence-related applications. This paper proposes a framework for the high …

[HTML][HTML] Scientific machine learning based reduced-order models for plasma turbulence simulations

C Gahr, IG Farcaş, F Jenko - Physics of Plasmas, 2024 - pubs.aip.org
This paper investigates non-intrusive Scientific Machine Learning (SciML) Reduced-Order
Models (ROMs) for plasma turbulence simulations. In particular, we focus on Operator …

Stochastic Reconstruction of Gappy Lagrangian Turbulent Signals by Conditional Diffusion Models

T Li, L Biferale, F Bonaccorso, M Buzzicotti… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a stochastic method for reconstructing missing spatial and velocity data along
the trajectories of small objects passively advected by turbulent flows with a wide range of …

[HTML][HTML] Flow field recovery in restricted domains using a generative adversarial network framework

MZ Yousif, D Zhou, L Yu, M Zhang… - Physics of …, 2024 - pubs.aip.org
This study aims to reconstruct the complete flow field from spatially restricted domain data by
utilizing an enhanced super-resolution generative adversarial network (ESRGAN) model …

[HTML][HTML] A real-time solution method for three-dimensional steady temperature field of transformer windings based on mechanism-embedded cascade network

Y Liu, Q Zhao, G Liu, Y Zou, S Zhang, K Wang… - Case Studies in Thermal …, 2024 - Elsevier
To enhance the computation efficiency and accuracy of three-dimensional steady
temperature field of transformer windings, we propose a new non-invasive Reduced Order …

Comparison of Generative Learning Methods for Turbulence Modeling

C Drygala, E Ross, F di Mare, H Gottschalk - arXiv preprint arXiv …, 2024 - arxiv.org
Numerical simulations of turbulent flows present significant challenges in fluid dynamics due
to their complexity and high computational cost. High resolution techniques such as Direct …

Generative diffusion models for synthetic trajectories of heavy and light particles in turbulence

T Li, S Tommasi, M Buzzicotti, F Bonaccorso… - arXiv preprint arXiv …, 2024 - arxiv.org
Heavy and light particles are commonly found in many natural phenomena and industrial
processes, such as suspensions of bubbles, dust, and droplets in incompressible turbulent …