Promising directions of machine learning for partial differential equations

SL Brunton, JN Kutz - Nature Computational Science, 2024 - nature.com
Partial differential equations (PDEs) are among the most universal and parsimonious
descriptions of natural physical laws, capturing a rich variety of phenomenology and …

Recent advances on machine learning for computational fluid dynamics: A survey

H Wang, Y Cao, Z Huang, Y Liu, P Hu, X Luo… - arxiv preprint arxiv …, 2024 - arxiv.org
This paper explores the recent advancements in enhancing Computational Fluid Dynamics
(CFD) tasks through Machine Learning (ML) techniques. We begin by introducing …

Learning the intrinsic dynamics of spatio-temporal processes through Latent Dynamics Networks

F Regazzoni, S Pagani, M Salvador, L Dede'… - Nature …, 2024 - nature.com
Predicting the evolution of systems with spatio-temporal dynamics in response to external
stimuli is essential for scientific progress. Traditional equations-based approaches leverage …

Neural implicit flow: a mesh-agnostic dimensionality reduction paradigm of spatio-temporal data

S Pan, SL Brunton, JN Kutz - Journal of Machine Learning Research, 2023 - jmlr.org
High-dimensional spatio-temporal dynamics can often be encoded in a low-dimensional
subspace. Engineering applications for modeling, characterization, design, and control of …

Implicit neural spatial representations for time-dependent pdes

H Chen, R Wu, E Grinspun, C Zheng… - … on Machine Learning, 2023 - proceedings.mlr.press
Abstract Implicit Neural Spatial Representation (INSR) has emerged as an effective
representation of spatially-dependent vector fields. This work explores solving time …

Probability flow solution of the fokker–planck equation

NM Boffi, E Vanden-Eijnden - Machine Learning: Science and …, 2023 - iopscience.iop.org
The method of choice for integrating the time-dependent Fokker–Planck equation (FPE) in
high-dimension is to generate samples from the solution via integration of the associated …

Randomized sparse neural galerkin schemes for solving evolution equations with deep networks

J Berman, B Peherstorfer - Advances in Neural Information …, 2023 - proceedings.neurips.cc
Training neural networks sequentially in time to approximate solution fields of time-
dependent partial differential equations can be beneficial for preserving causality and other …

Coupling parameter and particle dynamics for adaptive sampling in Neural Galerkin schemes

Y Wen, E Vanden-Eijnden, B Peherstorfer - Physica D: Nonlinear …, 2024 - Elsevier
Training nonlinear parametrizations such as deep neural networks to numerically
approximate solutions of partial differential equations is often based on minimizing a loss …

CoLoRA: Continuous low-rank adaptation for reduced implicit neural modeling of parameterized partial differential equations

J Berman, B Peherstorfer - arxiv preprint arxiv:2402.14646, 2024 - arxiv.org
This work introduces reduced models based on Continuous Low Rank Adaptation
(CoLoRA) that pre-train neural networks for a given partial differential equation and then …

An innovative pseudo-spectral Galerkin algorithm for the time-fractional Tricomi-type equation

YH Youssri, RM Hafez, AG Atta - Physica Scripta, 2024 - iopscience.iop.org
Herein, we offer semi− analytic numerical procedures for the 1− D Tricomi− type time−
fractional equation (T− FTTE). We consider the Jacobi− shifted polynomials as basis …