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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 107
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON PARALLEL, DISTRIBUTED, GRID AND CLOUD COMPUTING FOR ENGINEERING
Edited by:
Paper 29

Free-Surface Simulations: Testing TOMAWAC-TELEMAC3D-SISYPHE at Scale

C. Moulinec1, M. Li2, Y. Yin1,2 and D.R. Emerson1

1STFC Daresbury Laboratory, Warrington, United Kingdom
2The University of Liverpool, United Kingdom

Full Bibliographic Reference for this paper
C. Moulinec, M. Li, Y. Yin, D.R. Emerson, "Free-Surface Simulations: Testing TOMAWAC-TELEMAC3D-SISYPHE at Scale", in , (Editors), "Proceedings of the Fourth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 29, 2015. doi:10.4203/ccp.107.29
Keywords: MPI, hydrodynamics, wave propagation, sediment transport, internal coupling.

Summary
Understanding the influence of the interaction between wave distribution, hydrodynamics and sediment transport is crucial for the placement of off-shore energy generating platforms. The TELEMAC suite is used for this purpose. The wave propagation module (TOMAWAC) is first tested at scale, before the performance of the triple coupling between TOMAWAC, TELEMAC3D for hydrodynamics and SISYPHE for sediment transport is investigated for several mesh sizes, the largest grid having over 10 million elements. The coupling is internal and has been tested up to 3,072 processors of a Cray XC30 and 8,192 processors of an IBM Blue Gene/Q. Good performance is generally observed.

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