Efficient Parallelization of a Three-Dimensional High-Order Particle-in-Cell Method Applied to Gyrotron Resonator Simulations

J. Neudorfer, A. Stock, T. Stindl (), R. Schneider (), S. Roller (), C.-D. Munz () and M. Auweter-Kurtz ()
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J. Neudorfer: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
A. Stock: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
T. Stindl: Universität Stuttgart, Institut für Raumfahrtsysteme, Abt. Raumtransporttechnologie
R. Schneider: Institut für Hochleistungsimpuls- und Mikrowellentechnik, Karlsruher Institut für Technologie
S. Roller: RWTH Aachen University German Research School for Simulation Sciences GmbH, Applied Supercomputing in Engineering
C.-D. Munz: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
M. Auweter-Kurtz: German Aerospace Academy ASA

A chapter in High Performance Computing in Science and Engineering ‘12, 2013, pp 583-596 from Springer

Abstract: Abstract Growing computational capabilities and simulation tools based on high-order methods allow the simulation of complex shaped plasma devices including the entire nonlinear dynamics of the Maxwell-Vlasov system. Such simulations model the particle-field-interactions of a non-neutral plasma without significant simplifications. Thereby, new insights into physics on a level of detail that has never been available before provide new design implications and a better understanding of the overall physics. We present a high-order discontinuous Galerkin method based Particle-In-Cell code for unstructured grids in a parallelization framework allowing for large scale applications on HPC clusters. We simulate the geometrically complex resonant cavity of the 170 GHz gyrotron aimed for plasma resonance heating of the fusion reactor ITER and we demonstrate that a highly efficient parallelization is a crucial requirement to simulate such a complex large-scale device.

Keywords: Load Balance; Computational Load; Discontinuous Galerkin; Resonant Cavity; Wall Clock Time (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-33374-3_42

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DOI: 10.1007/978-3-642-33374-3_42

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