Three ways to solve partial differential equations with neural networks—A review

J Blechschmidt, OG Ernst - GAMM‐Mitteilungen, 2021 - Wiley Online Library
Neural networks are increasingly used to construct numerical solution methods for partial
differential equations. In this expository review, we introduce and contrast three important …

Physics-informed neural networks with hard constraints for inverse design

L Lu, R Pestourie, W Yao, Z Wang, F Verdugo… - SIAM Journal on …, 2021 - SIAM
Inverse design arises in a variety of areas in engineering such as acoustic, mechanics,
thermal/electronic transport, electromagnetism, and optics. Topology optimization is an …

Physics-informed neural networks for high-speed flows

Z Mao, AD Jagtap, GE Karniadakis - Computer Methods in Applied …, 2020 - Elsevier
In this work we investigate the possibility of using physics-informed neural networks (PINNs)
to approximate the Euler equations that model high-speed aerodynamic flows. In particular …

PhyGeoNet: Physics-informed geometry-adaptive convolutional neural networks for solving parameterized steady-state PDEs on irregular domain

H Gao, L Sun, JX Wang - Journal of Computational Physics, 2021 - Elsevier
Recently, the advent of deep learning has spurred interest in the development of physics-
informed neural networks (PINN) for efficiently solving partial differential equations (PDEs) …

Physics-informed neural networks for inverse problems in nano-optics and metamaterials

Y Chen, L Lu, GE Karniadakis, L Dal Negro - Optics express, 2020 - opg.optica.org
In this paper, we employ the emerging paradigm of physics-informed neural networks
(PINNs) for the solution of representative inverse scattering problems in photonic …

Weak SINDy for partial differential equations

DA Messenger, DM Bortz - Journal of Computational Physics, 2021 - Elsevier
Abstract Sparse Identification of Nonlinear Dynamics (SINDy) is a method of system
discovery that has been shown to successfully recover governing dynamical systems from …

Solving partial differential equations using deep learning and physical constraints

Y Guo, X Cao, B Liu, M Gao - Applied Sciences, 2020 - mdpi.com
The various studies of partial differential equations (PDEs) are hot topics of mathematical
research. Among them, solving PDEs is a very important and difficult task. Since many …

Solving Inverse Stochastic Problems from Discrete Particle Observations Using the Fokker--Planck Equation and Physics-Informed Neural Networks

X Chen, L Yang, J Duan, GE Karniadakis - SIAM Journal on Scientific …, 2021 - SIAM
The Fokker--Planck (FP) equation governing the evolution of the probability density function
(PDF) is applicable to many disciplines, but it requires specification of the coefficients for …

DiscretizationNet: A machine-learning based solver for Navier–Stokes equations using finite volume discretization

R Ranade, C Hill, J Pathak - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
Over the last few decades, existing Partial Differential Equation (PDE) solvers have
demonstrated a tremendous success in solving complex, non-linear PDEs. Although …

L-HYDRA: Multi-head physics-informed neural networks

Z Zou, GE Karniadakis - arXiv preprint arXiv:2301.02152, 2023 - arxiv.org
We introduce multi-head neural networks (MH-NNs) to physics-informed machine learning,
which is a type of neural networks (NNs) with all nonlinear hidden layers as the body and …