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SUMMARY:"Fluid Mechanics Tour des Alpes" : Defining coherent structures fo
 r flow modeling:  identification\, dynamical significance and low-order re
 presentation
DTSTART:20241010T101500
DTEND:20241010T111500
DTSTAMP:20260427T225336Z
UID:ff142fb98a4357389e75992a69ad5119a3d0266c9c24a0ed391086bd
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Beverley McKeon\nAbstract : \nWhile a single definition 
 for a coherent structure has been the topic of debate over many years\, it
  can be agreed that the eye is drawn to certain motions that are persisten
 t in space and time in a range of flows.  Here we investigate flow-specif
 ic descriptions of coherence associated with specific scientific questions
  and practical applications. After discussing the identification and class
 ification of important structure types\, we outline building block models 
 for each in wall-bounded turbulence. Simple theoretical rules governing th
 e forcing that sustains the structures are compared with data-driven chara
 cterization of key nonlinear interactions. The results are used to outline
  a skeleton for coherent structures that\, for example\, can be used to im
 prove the representation of the wall region in wall-modeled LES\, as well 
 as to understand sustaining mechanisms in wall turbulence in a manner amen
 able to reduced order modeling. As time permits\, related investigations i
 n other flow configurations and additional lab activities will be describe
 d.\n\nBio :\nBeverley McKeon is Professor of Mechanical Engineering and me
 mber of the Center for Turbulence Research (CTR) at Stanford University. S
 he was formerly the Theodore von Karman Professor of Aeronautics at the Gr
 aduate Aerospace Laboratories at Caltech (GALCIT) and Deputy Chair of the 
 Division of Engineering and Applied Science. She received M.A. and M.Eng. 
 degrees from the University of Cambridge and a Ph.D. in Mechanical and Aer
 ospace Engineering from Princeton University. Her research interests inclu
 de interdisciplinary\, equation- and data-driven approaches to modeling an
 d manipulation of turbulent flows\, fundamental experimental investigation
 s of wall turbulence at high Reynolds number\, and assimilation of experim
 ental data for efficient low-order flow modeling. McKeon was the recipient
  of a Vannevar Bush Faculty Fellowship from the DoD in 2017\, a Presidenti
 al Early Career Award (PECASE) in 2009 and an NSF CAREER Award in 2008\, a
 nd is a Fellow of the APS and AIAA. She currently serves as co-Lead Editor
  of Phys. Rev. Fluids and on the editorial board of the Annual Review of F
 luid Mechanics. She is Past Chair of the US National Committee on Theoreti
 cal and Applied Mechanics.\n\n 
LOCATION:BC 420 https://plan.epfl.ch/?room==BC%20420
STATUS:CONFIRMED
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