Parallelization and scalability issues of a multilevel elastohydrodynamic lubrication solver: Research Articles

Authors:
C. E. Goodyer;M. Berzins
Affiliations:
Computational PDEs Unit, School of Computing, University of Leeds, Leeds LS2 9JT, U.K.;School of Computing, University of Utah, Salt Lake City, UT 84112, U.S.A.
Venue:
Concurrency and Computation: Practice & Experience
Year:
2007

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Abstract

The computation of numerical solutions to elastohydrodynamic lubrication problems is only possible on fine meshes by using a combination of multigrid and multilevel techniques. In this paper, we show how the parallelization of both multigrid and multilevel multi-integration for these problems may be accomplished and discuss the scalability of the resulting code. A performance model of the solver is constructed and used to perform an analysis of the results obtained. Results are shown with good speed-ups and excellent scalability for distributed memory architectures and in agreement with the model. Copyright © 2006 John Wiley & Sons, Ltd.