Friday, July 18

10:30 AM-12:30 PM
Building 320, Room 105

Numerical Methods for Solving Free-Boundary Problems (Part I of II)

The speakers in this minisymposium will present innovative numerical methods for solving interfacial fluid dynamics problems characterized by large density and viscosity jumps (e.g. air/water) and stiff singular source terms such as those due to surface tension. Problems with these features are extremely important in science and industry. Solidification in castings, the collapse of a cavitation bubble near a rigid boundary, spray deposition and jets are just a few examples. The methods used to solve these problems include level-set, volume-of-fluid, phase-field, front-tracking and boundary integral methods. Important issues in computing these flows include the solution of an elliptic equation with discontinuous coefficients and the tracking of complex material interfaces.

Organizer: Mark M. Sussman and Elbridge Gerry Puckett
University of California, Davis

10:30 Direct Simulations of Phase Change Using a Front-Tracking Approach
Damir Juric, Los Alamos National Laboratory
11:00 Simple Level Set Method for Solving Stefan Problems
Susan Chen, Carnegie Mellon University; Barry Merriman and Stan Osher, University of California, Los Angeles; and Peter Smereka, University of Michigan, Ann Arbor
11:30 Interfacial Flows with Surface Tension and Topological Transitions
J. S. Lowengrub, University of Minnesota, Minneapolis
12:00 Tektites, Shock Wave Geophysics and Computing Jetting in Meteor Impacts
Elbridge Gerry Puckett , Organizer

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MMD, 3/13/97 tjf, 5/29/97