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SCHEDULE: NOV 15-20, 2015
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PERMON Toolbox Combining Discretization, Domain Decomposition, and Quadratic Programming
SESSION: Regular & ACM Student Research Competition Poster Reception
EVENT TYPE: Posters, Receptions, ACM Student Research Competition
EVENT TAG(S): HPC Beginner Friendly, Regular Poster
TIME: 5:15PM - 7:00PM
SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold
AUTHOR(S):Vaclav Hapla, David Horak, Lukas Pospisil
ROOM:Level 4 - Lobby
ABSTRACT:
Quadratic programming (QP) problems result e.g. from certain methods in image processing or particle dynamics, or finite element discretization of contact problems of mechanics.
Domain decomposition methods solve an original large problem by splitting it into smaller subdomain problems that are almost independent, allowing naturally massively parallel computations on supercomputers.
We are mostly interested in combining non-overlapping DDMs, namely FETI (Finite Element Tearing and Interconnecting), with optimal QP algorithms. FETI combines both iterative and direct solvers and allows highly accurate computations scaling up to tens of thousands of processors.
Due to limitations of commercial packages, problems often have to be adapted to be solvable and it takes a long time before recent numerical methods needed for HPC are implemented into such packages. These issues lead us to establish the PERMON (Parallel, Efficient, Robust, Modular, Object-oriented, Numerical) toolbox.
Chair/Author Details:
Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|
Vaclav Hapla - IT4Innovations National Supercomputing Center
David Horak - IT4Innovations National Supercomputing Center
Lukas Pospisil - IT4Innovations National Supercomputing Center
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