Dynamic mode decomposition and its variants

PJ Schmid - Annual Review of Fluid Mechanics, 2022 - annualreviews.org
Dynamic mode decomposition (DMD) is a factorization and dimensionality reduction
technique for data sequences. In its most common form, it processes high-dimensional …

Modern Koopman theory for dynamical systems

SL Brunton, M Budišić, E Kaiser, JN Kutz - arXiv preprint arXiv:2102.12086, 2021 - arxiv.org
The field of dynamical systems is being transformed by the mathematical tools and
algorithms emerging from modern computing and data science. First-principles derivations …

Unsupervised deep learning for super-resolution reconstruction of turbulence

H Kim, J Kim, S Won, C Lee - Journal of Fluid Mechanics, 2021 - cambridge.org
Recent attempts to use deep learning for super-resolution reconstruction of turbulent flows
have used supervised learning, which requires paired data for training. This limitation …

The transformative potential of machine learning for experiments in fluid mechanics

R Vinuesa, SL Brunton, BJ McKeon - Nature Reviews Physics, 2023 - nature.com
The field of machine learning (ML) has rapidly advanced the state of the art in many fields of
science and engineering, including experimental fluid dynamics, which is one of the original …

Super-resolution analysis via machine learning: a survey for fluid flows

K Fukami, K Fukagata, K Taira - Theoretical and Computational Fluid …, 2023 - Springer
This paper surveys machine-learning-based super-resolution reconstruction for vortical
flows. Super resolution aims to find the high-resolution flow fields from low-resolution data …

Applying machine learning to study fluid mechanics

SL Brunton - Acta Mechanica Sinica, 2021 - Springer
This paper provides a short overview of how to use machine learning to build data-driven
models in fluid mechanics. The process of machine learning is broken down into five …

Model order reduction with neural networks: Application to laminar and turbulent flows

K Fukami, K Hasegawa, T Nakamura, M Morimoto… - SN Computer …, 2021 - Springer
We investigate the capability of neural network-based model order reduction, ie,
autoencoder (AE), for fluid flows. As an example model, an AE which comprises of …

Uncertainty quantification for structural response field with ultra-high dimensions

L Cao, Y Zhao - International Journal of Mechanical Sciences, 2024 - Elsevier
The structural response field is crucial for understanding mechanical behavior, especially
under uncertain conditions. However, current uncertainty quantification predominantly …

Kernel learning for robust dynamic mode decomposition: linear and nonlinear disambiguation optimization

PJ Baddoo, B Herrmann… - Proceedings of the …, 2022 - royalsocietypublishing.org
Research in modern data-driven dynamical systems is typically focused on the three key
challenges of high dimensionality, unknown dynamics and nonlinearity. The dynamic mode …

Bagging, optimized dynamic mode decomposition for robust, stable forecasting with spatial and temporal uncertainty quantification

D Sashidhar, JN Kutz - Philosophical Transactions of the …, 2022 - royalsocietypublishing.org
Dynamic mode decomposition (DMD) provides a regression framework for adaptively
learning a best-fit linear dynamics model over snapshots of temporal, or spatio-temporal …