Machine learning with data assimilation and uncertainty quantification for dynamical systems: a review

S Cheng, C Quilodrán-Casas, S Ouala… - IEEE/CAA Journal of …, 2023 - ieeexplore.ieee.org
Data assimilation (DA) and uncertainty quantification (UQ) are extensively used in analysing
and reducing error propagation in high-dimensional spatial-temporal dynamics. Typical …

Learning physics-constrained subgrid-scale closures in the small-data regime for stable and accurate LES

Y Guan, A Subel, A Chattopadhyay… - Physica D: Nonlinear …, 2023 - Elsevier
We demonstrate how incorporating physics constraints into convolutional neural networks
(CNNs) enables learning subgrid-scale (SGS) closures for stable and accurate large-eddy …

Forecasting global weather with graph neural networks

R Keisler - arXiv preprint arXiv:2202.07575, 2022 - arxiv.org
We present a data-driven approach for forecasting global weather using graph neural
networks. The system learns to step forward the current 3D atmospheric state by six hours …

Clifford neural layers for pde modeling

J Brandstetter, R Berg, M Welling, JK Gupta - arXiv preprint arXiv …, 2022 - arxiv.org
Partial differential equations (PDEs) see widespread use in sciences and engineering to
describe simulation of physical processes as scalar and vector fields interacting and …

Towards multi-spatiotemporal-scale generalized pde modeling

JK Gupta, J Brandstetter - arXiv preprint arXiv:2209.15616, 2022 - arxiv.org
Partial differential equations (PDEs) are central to describing complex physical system
simulations. Their expensive solution techniques have led to an increased interest in deep …

Multi-domain encoder–decoder neural networks for latent data assimilation in dynamical systems

S Cheng, Y Zhuang, L Kahouadji, C Liu, J Chen… - Computer Methods in …, 2024 - Elsevier
High-dimensional dynamical systems often require computationally intensive physics-based
simulations, making full physical space data assimilation impractical. Latent data …

Equation‐free surrogate modeling of geophysical flows at the intersection of machine learning and data assimilation

S Pawar, O San - Journal of Advances in Modeling Earth …, 2022 - Wiley Online Library
There is a growing interest in developing data‐driven reduced‐order models for
atmospheric and oceanic flows that are trained on data obtained either from high‐resolution …

Deep learning-enhanced ensemble-based data assimilation for high-dimensional nonlinear dynamical systems

A Chattopadhyay, E Nabizadeh, E Bach… - Journal of …, 2023 - Elsevier
Data assimilation (DA) is a key component of many forecasting models in science and
engineering. DA allows one to estimate better initial conditions using an imperfect dynamical …

Accurate initial field estimation for weather forecasting with a variational constrained neural network

W Wang, J Zhang, Q Su, X Chai, J Lu, W Ni… - npj Climate and …, 2024 - nature.com
Weather forecasting is crucial for scientific research and society. Recently, deep learning
(DL) methods have achieved significant advancements in medium-range weather …

[图书][B] Stochastic methods for modeling and predicting complex dynamical systems: uncertainty quantification, state estimation, and reduced-order models

N Chen - 2023 - books.google.com
This book enables readers to understand, model, and predict complex dynamical systems
using new methods with stochastic tools. The author presents a unique combination of …