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Low rank approximation of the turbulent channel flow by filter-reinforced Dynamic Mode Decomposition

Mohammad N. Murshed (North South University), M. Monir Uddin (North South University)

International Conference on Computer and Information Technology (ICCIT)
DOI: 10.1109/iccit51783.2020.9392659 (Physics and Astronomy)
License: not stated (all rights reserved)

Abstract: Dynamic Mode Decomposition (DMD) is a data-driven modeling tool that can create a model from time-series data of a quantity of interest in a particular problem. We propose a new version of DMD to efficiently identify the modes in the complex turbulent channel flow. This modified version employs Discrete Fourier Transform to remove the low-amplitude high-frequency content in the images and results in a spectrum that shows the most dominant modes that contribute to the evolution of the flow.

Published on 19 Dec. 2020