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Departmental Colloquium

Geometry of Turbulence: a Stroll Through 61,506 Dimensions  
Guest Speaker
Dr. Predrag Cvitanovic'  
Guest Affiliation
Georgia Institute of Technology, School of Physics  
Dr. Robin Shelton  
Thursday, November 18, 2010 4:00 pm - 5:00 pm  
Physics 202  

In the world of moderate Reynolds number, everyday turbulence of fluids flowing across planes and down pipes a velvet revolution is taking place. Experiments are almost as detailed as the numerical simulations, DNS is yielding exact numerical solutions that one dared not dream about a decade ago, and dynamical systems visualization of turbulent fluid's state space geometry is unexpectedly elegant.

We shall take you on a tour of this newly breached, hitherto inaccessible territory. Mastery of fluid mechanics is no prerequisite, and perhaps a hindrance: the talk is aimed at anyone who had ever wondered why - if no cloud is ever seen twice - we know a cloud when we see one? And how do we turn that into mathematics?