Friday, May 14

MS47
Granular Flow: Theory, Experiment, Simulation, and Application - Part I of III

(See MS59 and MS66 for Parts II and III, respectively)

10:30 AM-12:30 PM
Room: Georgia 2

Despite much progress, our knowledge of granular flow remains primitive. Granular materials are interesting because they have both solid-like and fluid-like properties. Numerous applications, such as materials handling and soil mechanics, stand to benefit from improved understanding of granular materials. An explosion of research in this area has highlighted several challenges, especially how to relate microstructure and continuum descriptions. Investigators pursuing experiment, numerical simulation, mathematical analysis, and applications are now interacting, with the promise of substantial progress to come. In this minisymposium, the speakers hope to further these interactions.

Organizer: Michael Shearer and Pierre Gremaud
North Carolina State University
David G. Schaeffer
Duke University

10:30-10:55 An Overview of Granular Flow

David G. Schaeffer, Organizer

11:00-11:25 A Critical Transition in a Non-equilibrium System?

Daniel W. Howell and Robert P. Behringer, Duke University; and Christian T. Veje, Niels Bohr Institute, Copenhagen, Denmark

11:30 -11:55 On the Calculation of Hopper Flows for Granular Materials

Pierre Gremaud, Organizer; and John V. Matthews, North Carolina State University

12:00-12:25 A Fully Nonlinear Scalar PDE Related to Granular Flow

Michael Shearer, North Carolina State University

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tjf, 1/19/99, MMD, 5/3/99