Tuesday, May 25

MS27
Vibrating Granular Media

10:00 AM-12:00 PM
Room: Ballroom II

Granular media are systems of macroscopic particles that interact mainly through contact forces. Granular media abound in nature and industry, but are not well understood. Recent laboratory experiments on granular media in oscillated containers have revealed a variety f collective phenomena--heaping, segregation, compaction, convection, spatial patterns, and clustering. The speakers in this minisymposium will describe the phenomena and molecular dynamics simulations developed to understand them. The simulations assume that the particles obey Newton's laws and that energy is dissipated in collisions. While simulations and pde models provide many open questions.

Organizer: Harry L. Swinney
University of Texas, Austin

10:00-10:25 Energy Flows, Segregation, and Collapse in Vibrated Granular Media

Stefan Luding, University of Stuttgart, Germany

10:30-10:55 Compaction and Thermodynamics in Vibrated Granular Media

Sidney R. Nagel, University of Chicago, Illinois

11:00-11:25 Stability and Dynamics of Vertically and Horizontally Shaken Sand

Robert P. Behringer, L. Kondic, S. Tennakoon, and R. Hartley, Duke University

11:30-11:55 Wave Patterns in Vertically Oscillated Granular Media

Chris Bizon, University of Texas, Austin

DS99 Home

Program

Program Updates

Speaker Index

Hotel

Transportation

Registration

LMH, 1/8/99, MMD, 2/9/99