Three-Dimensional Gyrotron Simulation Using a High-Order Particle-in-Cell Method

A. Stock, J. Neudorfer, B. Steinbusch, T. Stindl (), R. Schneider (), S. Roller (), C.-D. Munz () and M. Auweter-Kurtz ()
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A. Stock: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
J. Neudorfer: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
B. Steinbusch: Applied Supercomputing in Engineering, RWTH Aachen University, German Research School for Simulation Sciences GmbH
T. Stindl: Universität Stuttgart, Institut für Raumfahrtsysteme, Abt. Raumtransporttechnologie
R. Schneider: Universität Karlsruhe, Karlsruher Institut für Technologie, Institut für Hochleistungsimpuls- und Mikrowellentechnik
S. Roller: Applied Supercomputing in Engineering, RWTH Aachen University, German Research School for Simulation Sciences GmbH
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 '11, 2012, pp 637-649 from Springer

Abstract: Abstract A three-dimensional highly parallelized code for plasma simulation based on the Particle-In-Cell (PIC) approach using a discontinuous Galerkin method has been developed and validated within the instationary magneto-plasma dynamic (IMPD) thruster project (Associated with the DFG project “Numerical Modeling and Simulation of Highly Rarefied Plasma Flows”). With this code, it is for the first time possible to simulate the highly challenging gyrotron launcher and resonator, i.e. a high-energetic microwave source used for fusion-plasma heating, without using any physical approximations. We present the results of the gyrotron simulations with special focus on the parallelization capabilities of our code. For the gyrotron launcher, computations with up to 2048 processes have been performed. Parallel scaling of the PIC code with at most 1024 processes for simulating the gyrotron resonator is investigated in detail.

Keywords: Idle Time; Discontinuous Galerkin; Discontinuous Galerkin Method; Wave Guide; Strong Scaling (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-23869-7_47

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DOI: 10.1007/978-3-642-23869-7_47

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