Learning the solution operator of parametric partial differential equations with physics-informed DeepONets

S Wang, H Wang, P Perdikaris - Science advances, 2021 - science.org
Partial differential equations (PDEs) play a central role in the mathematical analysis and
modeling of complex dynamic processes across all corners of science and engineering …

Multiwavelet-based operator learning for differential equations

G Gupta, X **ao, P Bogdan - Advances in neural …, 2021 - proceedings.neurips.cc
The solution of a partial differential equation can be obtained by computing the inverse
operator map between the input and the solution space. Towards this end, we introduce a …

DeepXDE: A deep learning library for solving differential equations

L Lu, X Meng, Z Mao, GE Karniadakis - SIAM review, 2021 - SIAM
Deep learning has achieved remarkable success in diverse applications; however, its use in
solving partial differential equations (PDEs) has emerged only recently. Here, we present an …

A novel sequential method to train physics informed neural networks for Allen Cahn and Cahn Hilliard equations

R Mattey, S Ghosh - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
A physics informed neural network (PINN) incorporates the physics of a system by satisfying
its boundary value problem through a neural network's loss function. The PINN approach …

Model reduction and neural networks for parametric PDEs

K Bhattacharya, B Hosseini, NB Kovachki… - The SMAI journal of …, 2021 - numdam.org
We develop a general framework for data-driven approximation of input-output maps
between infinitedimensional spaces. The proposed approach is motivated by the recent …

Frequency principle: Fourier analysis sheds light on deep neural networks

ZQJ Xu, Y Zhang, T Luo, Y **ao, Z Ma - arxiv preprint arxiv:1901.06523, 2019 - arxiv.org
We study the training process of Deep Neural Networks (DNNs) from the Fourier analysis
perspective. We demonstrate a very universal Frequency Principle (F-Principle)---DNNs …

Quantifying total uncertainty in physics-informed neural networks for solving forward and inverse stochastic problems

D Zhang, L Lu, L Guo, GE Karniadakis - Journal of Computational Physics, 2019 - Elsevier
Physics-informed neural networks (PINNs) have recently emerged as an alternative way of
numerically solving partial differential equations (PDEs) without the need of building …