Thursday Afternoon, October 26

New Developments in Unstable Interfacial Fluid Mixing

Interfacial fluid mixing induced by an external force (Rayleigh-Taylor instability) or by a shock wave (Richtmyer-Meshkov instability) plays an important role in science and engineering applications, such as supernova, DT laser, and nuclear physics. These interfacial fluid mixings are highly unstable and nonlinear. Recently, several important developments have occurred. The speakers will present these new developments. They will discuss physical and mathematical modeling, analytical theories, and numerical computations. Quantitative agreement between the theoretical predictions and the results from numerical simulations have been achieved.

Organizer: Qiang Zhang
SUNY at Stony Brook

12:30 A Two Phase Flow Model of the Rayleigh-Taylor Mixing Zone
James Glimm, Yupin Chen, David H. Sharp, and Qiang Zhang, SUNY, Stony Brook

1:00 Models for Vorticity Generation in Richtmyer-Meshkov Instability
Dan Meiron, Mark Meloon and Ravi Samtaney, California Institute of Technology

1:30 Reduced Vortex Models for the Richtmyer-Meshkov (Shock Accelerated Interface) Environment at and Beyond Early Times
Ravi Samtaney and Norman Zabuskey, Rutgers University

2:00 A Quantitative Analytical Nonlinear Theory of Richtmyer-Meshkov Instability
Qiang Zhang, Organizer and Sung-Ik Sohn, SUNY, Stony Brook

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