Monday, March 22

Parallel Adaptive FE Methods -- Infrastructure Issues and Solvers

10:00 AM-12:30 PM
Room: Executive Salon 1

The use of solution adaptive methods (mesh refinement and order enrichment) in conjunction with the fastest parallel computers offers what is probably the only way to get realistic simulations for most "Grand Challenge" problems. However, the application of such adaptive schemes causes special difficulties in terms of data structures and dynamic memory management issues, mesh partitioning and dynamic load balancing, and inter-processor communications. etc. Furthermore, such methods necessitate the development of algorithms capable of supporting fast and stable solvers for adaptive FE applications in multiprocessor environments. In this minisymposium, the speakers will discuss latest developments in these and other related issues.

Oganizers: Abani Patra
State University of New York, Buffalo
Rupak Biswas
NASA-Ames Research Center

10:00-10:20 Updated A FEAPI: Adaptive Finite Elements Application Programmers Interface
A. Patra, Organizer; A. Laszloffy and J. Long, State University of New York, Buffalo
10:25-10:45 Dynamic Load Balancing in a Lightweight Adaptive Parallel Multigrid PDE Solver
UpdatedGerhard W. Zumbusch, University of Bonn, Germany
10:50-11:10 Adaptive and Parallel Finite Element Computations on Heterogeneous Systems
M. W. Beall, Joseph E. Flaherty, M. S. Shephard, and J. D. Teresco, Rensselaer Polytechnic Institute
11:15-11:35 Dynamic Load Balancing for Parallel Adaptive Unstructured Grid Computations
Rupak Biswas, Organizer; and Leonid Oliker, NASA-Ames Research Center
11:40-12:00 Dynamic Repartitioning of Adaptively Refined Meshes
Kirk Schloegel, George Karypis, and Vipin Kumar, University of Minnesota, Minneapolis
12:05-12:25 Parallel Solution of Reacting Flow Problems Using Unstructured Tetrahedral Meshes
Martin Berzins, Paul M. Selwood, and Jonathan Nash, The University of Leeds, United Kingdom

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LMH, 10/28/98, MMD, 1/5/99