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Title: Pullback transformation in gyrokinetic electromagnetic simulations

It is shown that a considerable mitigation of the cancellation problem can be achieved by a slight modification of the simulation scheme. The new scheme is verified, simulating a Toroidal Alfvén Eigenmode in tokamak geometry at low perpendicular mode numbers, the so-called “MHD limit.” Also, an electromagnetic drift mode has been successfully simulated in a stellarator.
Authors:
; ; ;  [1]
  1. Max Planck Institute for Plasma Physics, D-17491 Greifswald (Germany)
Publication Date:
OSTI Identifier:
22303620
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 9; Other Information: (c) 2014 EURATOM; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; GEOMETRY; MAGNETOHYDRODYNAMICS; MODIFICATIONS; SIMULATION; TOKAMAK DEVICES