Resistive wall mode control code maturity: progress and specific examples

Two issues of the resistive wall mode (RWM) control code maturity are addressed: the inclusion of advanced mode damping physics beyond the ideal MHD description, and the possibility of taking into account the influence of 3D features of the conducting structures on the mode stability and control. Examples of formulations and computational results are given, using the MARS-F/K codes and the CarMa code. The MARS-K calculations for a DIII-D plasma shows that the fast ion contributions, which can give additional drift kinetic stabilization in the perturbative approach, also drive an extra unstable branch of mode in the self-consistent kinetic modelling. The CarMa modelling for the ITER steady state advanced plasmas shows about 20% reduction in the RWM growth rate by the volumetric blanket modules. The multi-mode analysis predicts a weak interaction between the n = 0 and the n = 1 RWMs, due to the 3D ITER walls. The CarMa code is also successfully applied to model the realistic feedback experiments in RFX.

Chu, M. S.General Atomics (author)
Guo, W. F.Chinese Academy of Sciences (author)
Villone, F.Universita di Cassino e del Lazio Meridionale (author)
Albanese, R.Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II (author)
Ambrosino, G.Universita di Cassino e del Lazio Meridionale (author)
Baruzzo, M. (author)
Bolzonella, T. (author)
Chapman, I. T.Culham Science Centre (author)
Garofalo, A. M.General Atomics (author)
Gimblett, C. G.Culham Science Centre (author)
Hastie, R. J.Culham Science Centre (author)
Hender, T. C.Culham Science Centre (author)
Jackson, G. L.General Atomics (author)
La Haye, R. J.General Atomics (author)
Lanctot, M. J.Columbia University in the City of New York (author)
In, Y.FAR-TECH, Inc. (author)
Marchiori, G. (author)
Okabayashi, M.Princeton University (author)
Paccagnella, R. (author)
Palumbo, M. F.Universita di Cassino e del Lazio Meridionale (author)
Pironti, A.Universita di Cassino e del Lazio Meridionale (author)
Reimerdes, H.Columbia University in the City of New York (author)
Rubinacci, G.Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II (author)
Soppelsa, A. (author)
Strait, E. J.General Atomics (author)
Ventre, S.Universita di Cassino e del Lazio Meridionale (author)
Yadykin, Dimitriy,1977Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)dimitriy (author)
Culham Science CentreGeneral Atomics (creator_code:org_t)

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