Data-driven modeling for unsteady aerodynamics and aeroelasticity

J Kou, W Zhang - Progress in Aerospace Sciences, 2021 - Elsevier
Aerodynamic modeling plays an important role in multiphysics and design problems, in
addition to experiment and numerical simulation, due to its low-dimensional representation …

Digital twins in wind energy: Emerging technologies and industry-informed future directions

F Stadtmann, A Rasheed, T Kvamsdal… - IEEE …, 2023 - ieeexplore.ieee.org
This article presents a comprehensive overview of the digital twin technology and its
capability levels, with a specific focus on its applications in the wind energy industry. It …

[HTML][HTML] POD-DL-ROM: Enhancing deep learning-based reduced order models for nonlinear parametrized PDEs by proper orthogonal decomposition

S Fresca, A Manzoni - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Deep learning-based reduced order models (DL-ROMs) have been recently proposed to
overcome common limitations shared by conventional reduced order models (ROMs)–built …

[HTML][HTML] Reduced-order modeling of advection-dominated systems with recurrent neural networks and convolutional autoencoders

R Maulik, B Lusch, P Balaprakash - Physics of Fluids, 2021 - pubs.aip.org
A common strategy for the dimensionality reduction of nonlinear partial differential equations
(PDEs) relies on the use of the proper orthogonal decomposition (POD) to identify a reduced …

[HTML][HTML] Physics-informed machine learning for reduced-order modeling of nonlinear problems

W Chen, Q Wang, JS Hesthaven, C Zhang - Journal of computational …, 2021 - Elsevier
A reduced basis method based on a physics-informed machine learning framework is
developed for efficient reduced-order modeling of parametrized partial differential equations …

A comprehensive deep learning-based approach to reduced order modeling of nonlinear time-dependent parametrized PDEs

S Fresca, L Dede', A Manzoni - Journal of Scientific Computing, 2021 - Springer
Conventional reduced order modeling techniques such as the reduced basis (RB) method
(relying, eg, on proper orthogonal decomposition (POD)) may incur in severe limitations …

Reduced basis methods for time-dependent problems

JS Hesthaven, C Pagliantini, G Rozza - Acta Numerica, 2022 - cambridge.org
Numerical simulation of parametrized differential equations is of crucial importance in the
study of real-world phenomena in applied science and engineering. Computational methods …

Data-enabled physics-informed machine learning for reduced-order modeling digital twin: application to nuclear reactor physics

H Gong, S Cheng, Z Chen, Q Li - Nuclear Science and Engineering, 2022 - Taylor & Francis
This paper proposes an approach that combines reduced-order models with machine
learning in order to create physics-informed digital twins to predict high-dimensional output …

Randomized sparse neural galerkin schemes for solving evolution equations with deep networks

J Berman, B Peherstorfer - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Training neural networks sequentially in time to approximate solution fields of time-
dependent partial differential equations can be beneficial for preserving causality and other …

Neural-network-augmented projection-based model order reduction for mitigating the Kolmogorov barrier to reducibility

J Barnett, C Farhat, Y Maday - Journal of Computational Physics, 2023 - Elsevier
Inspired by our previous work on a quadratic approximation manifold [1], we propose in this
paper a computationally tractable approach for combining a projection-based reduced-order …