Optimal mode decomposition for unsteady flows

A new method, herein referred to as optimal mode decomposition (OMD), of finding a linear model to describe the evolution of a fluid flow is presented. The method estimates the linear dynamics of a high-dimensional system which is first projected onto a subspace of a user-defined fixed rank. An iter...

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Veröffentlicht in:	Journal of fluid mechanics Jg. 733; S. 473 - 503
Hauptverfasser:	Wynn, A., Pearson, D. S., Ganapathisubramani, B., Goulart, P. J.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Cambridge, UK Cambridge University Press 25.10.2013
Schlagworte:	Boundary layer and shear turbulence Computational fluid dynamics Computational mathematics Computational methods in fluid dynamics Decomposition Dynamical systems Dynamics Exact sciences and technology Fluid dynamics Fluid flow Fluid mechanics Fundamental areas of phenomenology (including applications) Mathematical models Optimization Physics Subspaces Turbulence Turbulent flows, convection, and heat transfer computational methods nonlinear dynamical systems low-dimensional models Turbulent flow Computational fluid dynamics Orthogonal function Digital simulation Eigenfunctions Modelling Unsteady flow Step Nonlinear dynamical systems Boundary layers
ISSN:	0022-1120, 1469-7645
Online-Zugang:	Volltext
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