Lab Home | Phone | Search
Center for Nonlinear Studies  Center for Nonlinear Studies
 Colloquia Archive 
 Postdoc Seminars Archive 
 Quantum Lunch 
 CMS Colloquia 
 Q-Mat Seminars 
 Q-Mat Seminars Archive 
 Kac Lectures 
 Dist. Quant. Lecture 
 Ulam Scholar 
 Summer Research 
 Student Application 
 Past Visitors 
 PD Travel Request 
 History of CNLS 
 Maps, Directions 
 CNLS Office 
Thursday, June 07, 2012
2:00 PM - 2:45 PM
CNLS Conference Room (TA-3, Bldg 1690)

Postdoc Seminar

Analyzing nonlinear scale interactions‬ in complex flows with example applications to the Ocean

Hussein Aluie
T-5 and CNLS

I will describe a coarse-graining framework, rooted in a commonly used technique in the subjects of PDEs and LES modeling, that we have been refining and utilizing to analyze nonlinear scale interactions in complex flows. The approach is powerful and very general, allows for probing the dynamics simultaneously in scale and in space, and is not restricted by the usual assumptions of homogeneity, isotropy, or steady-state. The method allows for quantifying the coupling that exists between different scales through exact mathematical analysis, numerical simulations, and experiments, and may be used to extract certain scale-invariant universal features in the dynamics. I will show example applications of such tools to North Atlantic Ocean simulations. This is an ongoing work in collaboration with M. Hecht (CCS-2), G. Vallis (Princeton), R. Ecke (T-CNLS) M. Maltrud (T-3), B. Wingate (CCS-2), and K. Bryan (Princeton).