On the performance of an overlapping-domain parallelization strategy for  Eulerian-Lagrangian Multiphysics software

POZZETTI, Gabriele; BESSERON, Xavier; ROUSSET, Alban; MAINASSARA CHEKARAOU, Abdoul Wahid; PETERS, Bernhard

doi:10.1063/1.5043895

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On the performance of an overlapping-domain parallelization strategy for Eulerian-Lagrangian Multiphysics software

POZZETTI, Gabriele; BESSERON, Xavier; ROUSSET, Alban et al.

2018 • In AIP Conference Proceedings of 15th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM)

Peer reviewed

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https://hdl.handle.net/10993/32256

DOI
10.1063/1.5043895

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Keywords :

HPC; CFD-DEM

Abstract :

[en] In this work, a strategy for the parallelization of a two-way CFD-DEM coupling is investigated. It consists on adopting balanced overlapping partitions for the CFD and the DEM domains, that aims to reduce the memory consumption and inter-process communication between CFD and DEM. Two benchmarks are proposed to assess the consistency and scalability of this approach, coupled execution on 252 cores shows that less than 1\% of time is used to perform inter-physics data exchange.

Research center :

ULHPC - University of Luxembourg: High Performance Computing
LuXDEM - University of Luxembourg: Luxembourg XDEM Research Centre

Disciplines :

Computer science

Author, co-author :

POZZETTI, Gabriele ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

BESSERON, Xavier ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

ROUSSET, Alban ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

MAINASSARA CHEKARAOU, Abdoul Wahid ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

PETERS, Bernhard ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

External co-authors :

Language :

English

Title :

On the performance of an overlapping-domain parallelization strategy for Eulerian-Lagrangian Multiphysics software

Publication date :

10 July 2018

Event name :

15th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2017)

Event date :

from 25-09-2017 to 30-09-2017

Audience :

International

Main work title :

AIP Conference Proceedings of 15th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM)

Publisher :

American Institute of Physics, New York, United States - New York

Peer reviewed :

Peer reviewed

Focus Area :

Computational Sciences

Additional URL :

http://aip.scitation.org/doi/abs/10.1063/1.5043895

Name of the research project :

Luxdem.parallel_CFD-DEM

Available on ORBilu :

since 14 September 2017

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