Lagrangian perspectives on turbulent superstructures in Rayleigh-Bénard convection

Publikation: Beiträge in ZeitschriftenKonferenz-Abstracts in FachzeitschriftenForschungbegutachtet

Authors

We analyze large‐scale patterns in three‐dimensional turbulent convection in a horizontally extended square convection cell by means of Lagrangian particle trajectories calculated in direct numerical simulations. Different Lagrangian computational methods, i.e. finite‐time Lyapunov exponents, spectral and density‐based clustering and transfer operator approaches, are used to detect these large‐scale structures, which are denoted as turbulent superstructures of convection.
OriginalspracheEnglisch
Aufsatznummer201900201
ZeitschriftProceedings in applied mathematics and mechanics
Jahrgang19
Ausgabenummer1
Anzahl der Seiten2
ISSN1617-7061
DOIs
PublikationsstatusErschienen - 01.11.2019
Veranstaltung90th Annual Meeting of the International Association of Applied Mathematics and Mechanics - 2019 - Universität Wien, Vienna, Österreich
Dauer: 18.02.201922.02.2019
Konferenznummer: 90
https://jahrestagung.gamm-ev.de/index.php/2019/2019-annual-meeting

Zugehörige Projekte

  • Trajektorien-basierte Lagrangesche Ansätze zur Extraktion und Charakterisierung kohärenter Strukturen in turbulenter Konvektion

    Projekt: Forschung

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