Neural operators for accelerating scientific simulations and design

K Azizzadenesheli, N Kovachki, Z Li… - Nature Reviews …, 2024 - nature.com
Scientific discovery and engineering design are currently limited by the time and cost of
physical experiments. Numerical simulations are an alternative approach but are usually …

An overview on deep learning-based approximation methods for partial differential equations

C Beck, M Hutzenthaler, A Jentzen… - arXiv preprint arXiv …, 2020 - arxiv.org
It is one of the most challenging problems in applied mathematics to approximatively solve
high-dimensional partial differential equations (PDEs). Recently, several deep learning …

基于神经网络的偏微分方程求解方法研究综述

查文舒, 李道伦, 沈路航, 张雯, 刘旭亮 - 力学学报, 2022 - lxxb.cstam.org.cn
神经网络作为一种强大的信息处理工具在计算机视觉, 生物医学, 油气工程领域得到广泛应用,
引发多领域技术变革. 深度学习网络具有非常强的学习能力, 不仅能发现物理规律 …

Adaptive deep neural networks methods for high-dimensional partial differential equations

S Zeng, Z Zhang, Q Zou - Journal of Computational Physics, 2022 - Elsevier
We present three adaptive techniques to improve the computational performance of deep
neural network (DNN) methods for high-dimensional partial differential equations (PDEs) …

Approximation rates for neural networks with encodable weights in smoothness spaces

I Gühring, M Raslan - Neural Networks, 2021 - Elsevier
We examine the necessary and sufficient complexity of neural networks to approximate
functions from different smoothness spaces under the restriction of encodable network …

[HTML][HTML] Numerical solution of the parametric diffusion equation by deep neural networks

M Geist, P Petersen, M Raslan, R Schneider… - Journal of Scientific …, 2021 - Springer
We perform a comprehensive numerical study of the effect of approximation-theoretical
results for neural networks on practical learning problems in the context of numerical …

An extreme learning machine-based method for computational PDEs in higher dimensions

Y Wang, S Dong - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
We present two effective methods for solving high-dimensional partial differential equations
(PDE) based on randomized neural networks. Motivated by the universal approximation …

Extreme learning machine collocation for the numerical solution of elliptic PDEs with sharp gradients

F Calabrò, G Fabiani, C Siettos - Computer Methods in Applied Mechanics …, 2021 - Elsevier
We address a new numerical method based on machine learning and in particular based on
the concept of the so-called Extreme Learning Machines, to approximate the solution of …

Actor-critic method for high dimensional static Hamilton--Jacobi--Bellman partial differential equations based on neural networks

M Zhou, J Han, J Lu - SIAM Journal on Scientific Computing, 2021 - SIAM
We propose a novel numerical method for high dimensional Hamilton--Jacobi--Bellman
(HJB) type elliptic partial differential equations (PDEs). The HJB PDEs, reformulated as …

[HTML][HTML] Data-driven modeling of geometry-adaptive steady heat conduction based on convolutional neural networks

JZ Peng, X Liu, N Aubry, Z Chen, WT Wu - Case Studies in Thermal …, 2021 - Elsevier
A data-driven model for rapid prediction of the steady-state heat conduction of a hot object
with arbitrary geometry is developed. Mathematically, the steady-state heat conduction can …