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An effective approach of simulating subsonic fluid dynamics on a cluster of non-dedicated workstations is presented. The approach is applied to simulate the flow of air in wind instruments. The use of local-interaction methods and coarse-grain decompositions lead to small communication requirements. The automatic migration of processes from busy hosts to free hosts enables the use of non-dedicated workstations. Simulations of 2D flow achieve 80% parallel efficiency (speedup/processors) using 20 HP-Apollo workstations. Detailed measurements of the parallel efficiency of 2D and 9D simulations are presented, and a theoretical model of efficiency is developed and compared against the measurements. Two numerical methods of fluid dynamics are tested: explicit finite differences, and the lattice Boltzmann method
Published in:
High Performance Distributed Computing, 1995., Proceedings of the Fourth IEEE International Symposium on
Date of Conference: 2-4 Aug 1995
- Page(s):
- 6 - 16
- Meeting Date :
- 02 Aug 1995-04 Aug 1995
- ISSN :
- 1082-8907
- Print ISBN:
- 0-8186-7088-6
- INSPEC Accession Number:
- 5074169
- Conference Location :
- Washington, DC
- Digital Object Identifier :
- 10.1109/HPDC.1995.518689
- Product Type:
- Conference Publications
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