[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 …

[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) …

[HTML][HTML] Prospects of multi-paradigm fusion methods for fluid mechanics research

Z Weiwei, W Xu, KOU Jiaqing - 力学进展, 2023 - lxjz.cstam.org.cn
Experimental observation, theoretical research and numerical simulation are the basic
research paradigms in many disciplines, including fluid mechanics. Since the 21st century …

PINN surrogate of Li-ion battery models for parameter inference, Part I: Implementation and multi-fidelity hierarchies for the single-particle model

M Hassanaly, PJ Weddle, RN King, S De… - Journal of Energy …, 2024 - Elsevier
To plan and optimize energy storage demands that account for Li-ion battery aging
dynamics, techniques need to be developed to diagnose battery internal states accurately …

Interpreting and generalizing deep learning in physics-based problems with functional linear models

A Arzani, L Yuan, P Newell, B Wang - Engineering with Computers, 2024 - Springer
Although deep learning has achieved remarkable success in various scientific machine
learning applications, its opaque nature poses concerns regarding interpretability and …

Transfer learning for flow reconstruction based on multifidelity data

J Kou, C Ning, W Zhang - AIAA Journal, 2022 - arc.aiaa.org
Reduced-order modeling for multifidelity flow reconstruction offers increased accuracy while
saving cost in data generation. The key to obtaining successful multifidelity models lies in …

Bi-fidelity modeling of uncertain and partially unknown systems using deeponets

S De, M Reynolds, M Hassanaly, RN King… - arxiv preprint arxiv …, 2022 - arxiv.org
Recent advances in modeling large-scale complex physical systems have shifted research
focuses towards data-driven techniques. However, generating datasets by simulating …

Multi-fidelity wavelet neural operator with application to uncertainty quantification

A Thakur, T Tripura, S Chakraborty - arxiv preprint arxiv:2208.05606, 2022 - arxiv.org
Operator learning frameworks, because of their ability to learn nonlinear maps between two
infinite dimensional functional spaces and utilization of neural networks in doing so, have …

Bi-fidelity variational auto-encoder for uncertainty quantification

N Cheng, OA Malik, S De, S Becker… - Computer Methods in …, 2024 - Elsevier
Quantifying the uncertainty of quantities of interest (QoIs) from physical systems is a primary
objective in model validation. However, achieving this goal entails balancing the need for …

Bi-fidelity modeling of uncertain and partially unknown systems using DeepONets

S De, M Reynolds, M Hassanaly, RN King… - Computational …, 2023 - Springer
Recent advances in modeling large-scale, complex physical systems have shifted research
focuses towards data-driven techniques. However, generating datasets by simulating …