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"Investigation of Energetic Granular Flows via Simulations, Experiments and Theory"

ABSTRACT:

Nearly every product or commodity in use is constituted and/or derived from granular materials through mining, agriculture, and/or chemical processing. The development of predictive paradigms capable of spanning granular flow regimes prevalent in industrial systems poses a formidable scientific challenge due to the enormous complexity of phenomena occurring over widely different time and length scales. In this presentation, I discuss a synergistic methodology that couples discrete simulations, physical experiments and theoretical modeling, with the goal of identifying key parameters, quantities and features of the dynamics that govern flow behavior. The approach is demonstrated via a seemingly simple system consisting of a column of inelastic spheres, subjected to taps in the form of half sine-wave pulses, in which the interplay between diverse time and length scales are central contributors to the column’s evolving dynamics.

BIOGRAPHY:

Anthony Rosato received his PhD in Mechanical Engineering from Carnegie Mellon University and been at the New Jersey Institute of Technology since 1987 where he holds the rank of Professor of Mechanical Engineering and Director of the Granular Science Laboratory.  His research interests are on computational modeling and experimental studies of granular flows. Prof. Rosato has held visiting appointments at Lawrence Livermore National Laboratory, Worcester Polytechnic Institute, the Lovelace Institutes, ESPCI in Paris, the University of Salerno, and Stanford University. He is a Fellow of the ASME, and the American Academic of Mechanics, Editor-in-chief of Mechanics Research Communications, a Fulbright Scholar, and the past chair of the Granular Materials Committee of the Engineering Mechanics Institute.

Event Details

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