Reliable extrapolation of deep neural operators informed by physics or sparse observations

M Zhu, H Zhang, A Jiao, GE Karniadakis… - Computer Methods in …, 2023 - Elsevier
Deep neural operators can learn nonlinear mappings between infinite-dimensional function
spaces via deep neural networks. As promising surrogate solvers of partial differential …

Multifidelity deep neural operators for efficient learning of partial differential equations with application to fast inverse design of nanoscale heat transport

L Lu, R Pestourie, SG Johnson, G Romano - Physical Review Research, 2022 - APS
Deep neural operators can learn operators mapping between infinite-dimensional function
spaces via deep neural networks and have become an emerging paradigm of scientific …

Learning the dynamical response of nonlinear non-autonomous dynamical systems with deep operator neural networks

G Lin, C Moya, Z Zhang - Engineering Applications of Artificial Intelligence, 2023 - Elsevier
We propose using operator learning to approximate the dynamical response of non-
autonomous systems, such as nonlinear control systems. Unlike classical function learning …

Scalable uncertainty quantification for deep operator networks using randomized priors

Y Yang, G Kissas, P Perdikaris - Computer Methods in Applied Mechanics …, 2022 - Elsevier
We present a simple and effective approach for posterior uncertainty quantification in deep
operator networks (DeepONets); an emerging paradigm for supervised learning in function …

A mathematical guide to operator learning

N Boullé, A Townsend - arXiv preprint arXiv:2312.14688, 2023 - arxiv.org
Operator learning aims to discover properties of an underlying dynamical system or partial
differential equation (PDE) from data. Here, we present a step-by-step guide to operator …

Vb-deeponet: A bayesian operator learning framework for uncertainty quantification

S Garg, S Chakraborty - Engineering Applications of Artificial Intelligence, 2023 - Elsevier
Neural network based data-driven operator learning schemes have shown tremendous
potential in computational mechanics. DeepONet is one such neural network architecture …

Deep learning methods for partial differential equations and related parameter identification problems

DN Tanyu, J Ning, T Freudenberg… - Inverse …, 2023 - iopscience.iop.org
Recent years have witnessed a growth in mathematics for deep learning—which seeks a
deeper understanding of the concepts of deep learning with mathematics and explores how …

Uncertainty quantification for noisy inputs-outputs in physics-informed neural networks and neural operators

Z Zou, X Meng, GE Karniadakis - arXiv preprint arXiv:2311.11262, 2023 - arxiv.org
Uncertainty quantification (UQ) in scientific machine learning (SciML) becomes increasingly
critical as neural networks (NNs) are being widely adopted in addressing complex problems …

RiemannONets: Interpretable neural operators for Riemann problems

A Peyvan, V Oommen, AD Jagtap… - Computer Methods in …, 2024 - Elsevier
Developing the proper representations for simulating high-speed flows with strong shock
waves, rarefactions, and contact discontinuities has been a long-standing question in …

DAE-PINN: a physics-informed neural network model for simulating differential algebraic equations with application to power networks

C Moya, G Lin - Neural Computing and Applications, 2023 - Springer
Deep learning-based surrogate modeling is becoming a promising approach for learning
and simulating dynamical systems. However, deep-learning methods find it very challenging …