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 …

Model reduction for flow analysis and control

CW Rowley, STM Dawson - Annual Review of Fluid Mechanics, 2017 - annualreviews.org
Advances in experimental techniques and the ever-increasing fidelity of numerical
simulations have led to an abundance of data describing fluid flows. This review discusses a …

Spectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis

A Towne, OT Schmidt, T Colonius - Journal of Fluid Mechanics, 2018 - cambridge.org
We consider the frequency domain form of proper orthogonal decomposition (POD), called
spectral proper orthogonal decomposition (SPOD). Spectral POD is derived from a space …

[图书][B] Dynamic mode decomposition: data-driven modeling of complex systems

The integration of data and scientific computation is driving a paradigm shift across the
engineering, natural, and physical sciences. Indeed, there exists an unprecedented …

A data–driven approximation of the koopman operator: Extending dynamic mode decomposition

MO Williams, IG Kevrekidis, CW Rowley - Journal of Nonlinear Science, 2015 - Springer
The Koopman operator is a linear but infinite-dimensional operator that governs the
evolution of scalar observables defined on the state space of an autonomous dynamical …

Dynamic mode decomposition with control

JL Proctor, SL Brunton, JN Kutz - SIAM Journal on Applied Dynamical Systems, 2016 - SIAM
We develop a new method which extends dynamic mode decomposition (DMD) to
incorporate the effect of control to extract low-order models from high-dimensional, complex …

Dynamic mode decomposition: Theory and applications

JH Tu - 2013 - search.proquest.com
Used to analyze the time-evolution of fluid flows, dynamic mode decomposition (DMD) has
quickly gained traction in the fluids community. However, the existing DMD literature focuses …

Higher order dynamic mode decomposition

S Le Clainche, JM Vega - SIAM Journal on Applied Dynamical Systems, 2017 - SIAM
This paper deals with an extension of dynamic mode decomposition (DMD), which is
appropriate to treat general periodic and quasi-periodic dynamics, and transients decaying …

Tomographic PIV: principles and practice

F Scarano - Measurement Science and Technology, 2012 - iopscience.iop.org
A survey is given of the major developments in three-dimensional velocity field
measurements using the tomographic particle image velocimetry (PIV) technique. The …

A kernel-based approach to data-driven Koopman spectral analysis

MO Williams, CW Rowley, IG Kevrekidis - arXiv preprint arXiv:1411.2260, 2014 - arxiv.org
A data driven, kernel-based method for approximating the leading Koopman eigenvalues,
eigenfunctions, and modes in problems with high dimensional state spaces is presented …