Machine learning with data assimilation and uncertainty quantification for dynamical systems: a review
Data assimilation (DA) and uncertainty quantification (UQ) are extensively used in analysing
and reducing error propagation in high-dimensional spatial-temporal dynamics. Typical …
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
We demonstrate how incorporating physics constraints into convolutional neural networks
(CNNs) enables learning subgrid-scale (SGS) closures for stable and accurate large-eddy …
(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 …
networks. The system learns to step forward the current 3D atmospheric state by six hours …
Clifford neural layers for pde modeling
Partial differential equations (PDEs) see widespread use in sciences and engineering to
describe simulation of physical processes as scalar and vector fields interacting and …
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 …
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
High-dimensional dynamical systems often require computationally intensive physics-based
simulations, making full physical space data assimilation impractical. Latent data …
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
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 …
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
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 …
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 …
(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 …
using new methods with stochastic tools. The author presents a unique combination of …