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Towards a model of large scale dynamics in transitional wall-bounded flows

2015/04/02 by Paul Manneville, Manneville, Paul
Earth and Planetary Sciences · Engineering · Environmental Science · Physics and Astronomy · #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Fluid Dynamics and Turbulent Flows #Meteorological Phenomena and Simulations #Particle Dynamics in Fluid Flows #Pattern Formation and Solitons (nlin.PS) #Plant Water Relations and Carbon Dynamics #nlin.PS #physics.flu-dyn

paper · pdf · doi:10.48550/arxiv.1504.00664

10 pages, 1 figure, adaptation in English of "Vers un modele de dynamique des grandes echelles dans les ecoulements de paroi transitionnels" in Comptes Rendus de la 18eme Rencontre du Non Lineaire, March 17-19, 2015. See http://nonlineaire.univ-lille1.fr/ for the original publication in French

arxiv created 2015/04/02 · openalex publication_date 2015/04/02 · arxiv updated 2015/04/03 · openalex created_date 2022/10/06 · openalex updated_date 2026/07/28

Abstract

A system of simplified equations is proposed to govern the feedback interactions of large-scale flows present in laminar-turbulent patterns of transitional wall-bounded flows, with small-scale Reynolds stresses generated by the self-sustainment process of turbulence itself modeled using an extension of Waleffe's approach (Phys. Fluids 9 (1997) 883-900), the detailed expression of which is displayed as an annex to the main text.

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