Parallelization of a Vlasov–Maxwell solver in four-dimensional phase space

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Daldorff, Lars K. S. and Eliasson, Bengt (2009) Parallelization of a Vlasov–Maxwell solver in four-dimensional phase space. Parallel Computing, 35 (2). pp. 109-115. ISSN 0167-8191 (https://doi.org/10.1016/j.parco.2008.11.002)

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Abstract

We present a parallelized algorithm for solving the time-dependent Vlasov–Maxwell system of equations in the four-dimensional phase space (two spatial and velocity dimensions). One Vlasov equation is solved for each particle species, from which charge and current densities are calculated for the Maxwell equations. The parallelization is divided into two different layers. For the first layer, each plasma species is given its own processor group. On the second layer, the distribution function is domain decomposed on its dedicated resources. By separating the communication and calculation steps, we have met the design criteria of good speedup and simplicity in the implementation.

ORCID iDs

Daldorff, Lars K. S. and Eliasson, Bengt ORCID logoORCID: https://orcid.org/0000-0001-6039-1574;
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