Physics-informed deep neural operator networks

S Goswami, A Bora, Y Yu, GE Karniadakis - Machine Learning in …, 2023 - Springer
Standard neural networks can approximate general nonlinear operators, represented either
explicitly by a combination of mathematical operators, eg in an advection–diffusion reaction …

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 …

[HTML][HTML] Learning two-phase microstructure evolution using neural operators and autoencoder architectures

V Oommen, K Shukla, S Goswami… - npj Computational …, 2022 - nature.com
Phase-field modeling is an effective but computationally expensive method for capturing the
mesoscale morphological and microstructure evolution in materials. Hence, fast and …

Review of multi-fidelity models

MG Fernández-Godino - arXiv preprint arXiv:1609.07196, 2016 - arxiv.org
This article provides an overview of multi-fidelity modeling trends. Fidelity in modeling refers
to the level of detail and accuracy provided by a predictive model or simulation. Generally …

Deep neural operators as accurate surrogates for shape optimization

K Shukla, V Oommen, A Peyvan, M Penwarden… - … Applications of Artificial …, 2024 - Elsevier
Deep neural operators, such as DeepONet, have changed the paradigm in high-
dimensional nonlinear regression, paving the way for significant generalization and speed …

[HTML][HTML] Multifidelity deep operator networks for data-driven and physics-informed problems

AA Howard, M Perego, GE Karniadakis… - Journal of Computational …, 2023 - Elsevier
Operator learning for complex nonlinear systems is increasingly common in modeling multi-
physics and multi-scale systems. However, training such high-dimensional operators …

Deeponet-grid-uq: A trustworthy deep operator framework for predicting the power grid's post-fault trajectories

C Moya, S Zhang, G Lin, M Yue - Neurocomputing, 2023 - Elsevier
This paper proposes a novel data-driven method for the reliable prediction of the power
grid's post-fault trajectories, ie, the power grid's dynamic response after a disturbance or …

SVD perspectives for augmenting DeepONet flexibility and interpretability

S Venturi, T Casey - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Deep operator networks (DeepONets) are powerful and flexible architectures that are
attracting attention in multiple fields due to their utility for fast and accurate emulation of …

[PDF][PDF] Multifidelity deep operator networks

AA Howard, M Perego… - arXiv preprint arXiv …, 2022 - app.icerm.brown.edu
Multifidelity Deep Operator Networks Page 1 Multifidelity Deep Operator Networks Amanda
Howard Mauro Perego, George Karniadakis, Panos Stinis Page 2 2 General framework u(x1) …