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Efficient Parallelization of a Three-Dimensional High-Order Particle-in-Cell Method for the Simulation of a 170 GHz Gyrotron Resonator

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5 Author(s)
Neudorfer, J. ; Inst. of Aerodynamics & Gas Dynamics, Univ. of Stuttgart, Stuttgart, Germany ; Stock, A. ; Schneider, R. ; Roller, S.
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We present the simulation of the transient excitation and evolution of a TE34, 19 mode in the resonant cavity of the 170 GHz gyrotron. This gyrotron is planned for electron cyclotron resonance heating in the ITER tokamak fusion reactor. The numerical computation of a state-of-the-art gyrotron resonant cavity with a transient 3-D full wave particle-in-cell (PIC) method is a computationally demanding task. It was enabled by a highly scalable PIC scheme. To allow the numerical simulation of the high-frequency electromagnetic waves, we use a high-order discontinuous Galerkin method.

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Plasma Science, IEEE Transactions on  (Volume:41 ,  Issue: 1 )