Parallel 3D-TLM algorithm for simulation of the Earth-ionosphere cavity

A parallel 3D algorithm for solving time-domain electromagnetic problems with arbitrary geometries is presented. The technique employed is the Transmission Line Modeling (TLM) method implemented in Shared Memory (SM) environments. The benchmarking performed reveals that the maximum speedup depends o...

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Published in:Journal of computational physics 2013-03, Vol.236, p.367-379
Main Authors: Toledo-Redondo, Sergio, Salinas, Alfonso, Morente-Molinera, Juan Antonio, Méndez, Antonio, Fornieles, Jesús, Portí, Jorge, Morente, Juan Antonio
Format: Article
Language:English
Subjects:
Multi-core efficiency
Parallelization
Schumann resonances
Shared memory
Superlinear speedup
TLM
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container_title Journal of computational physics
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description A parallel 3D algorithm for solving time-domain electromagnetic problems with arbitrary geometries is presented. The technique employed is the Transmission Line Modeling (TLM) method implemented in Shared Memory (SM) environments. The benchmarking performed reveals that the maximum speedup depends on the memory size of the problem as well as multiple hardware factors, like the disposition of CPUs, cache, or memory. A maximum speedup of 15 has been measured for the largest problem. In certain circumstances of low memory requirements, superlinear speedup is achieved using our algorithm. The model is employed to model the Earth-ionosphere cavity, thus enabling a study of the natural electromagnetic phenomena that occur in it. The algorithm allows complete 3D simulations of the cavity with a resolution of 10km, within a reasonable timescale.
doi_str_mv 10.1016/j.jcp.2012.10.047
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subjects Multi-core efficiency
Parallelization
Schumann resonances
Shared memory
Superlinear speedup
TLM
title Parallel 3D-TLM algorithm for simulation of the Earth-ionosphere cavity
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