Global and local gyrokinetic simulations of high-performance discharges in view of ITER
F. Jenko (EURATOM Association)
D. Told (EURATOM Association)
T. Görler (EURATOM Association)
J. Citrin (Trilateral Euregio Cluster)
A. Bañón Navarro (EURATOM Association)
C. Bourdelle (CEA Cadarache)
S Brunner (École Polytechnique Fédérale de Lausanne)
G. Conway (EURATOM Association)
T. Dannert (Rechenzentrum Garching)
H. Doerk (EURATOM Association)
D. R. Hatch (EURATOM Association)
J. W. Haverkort (Trilateral Euregio Cluster)
J. Hobirk (EURATOM Association)
G. M.D. Hogeweij (Trilateral Euregio Cluster)
P. Mantica (Associazione Euratom-ENEA-CNR)
M. J. Pueschel (University of Wisconsin-Madison)
O. Sauter (École Polytechnique Fédérale de Lausanne)
L. Villard (École Polytechnique Fédérale de Lausanne)
E. Wolfrum (EURATOM Association)
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Abstract
One of the key challenges for plasma theory and simulation in view of ITER is to enhance the understanding and predictive capability concerning high-performance discharges. This involves, in particular, questions about high-β operation, ion temperature profile stiffness, and the physics of transport barriers. The goal of this contribution is to shed light on these issues by means of physically comprehensive ab initio simulations with the global gyrokinetic code GENE, applied to discharges in TCV, ASDEX Upgrade, and JET - with direct relevance to ITER.
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