Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration

T. Korpilo, A. D. Gurchenko, E. Z. Gusakov, J. A. Heikkinen, S. J. Janhunen, T. P. Kiviniemi, S. Leerink, P. Niskala, A. A. Perevalov

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Abstract

The gyrokinetic full 5D particle distribution code ELMFIRE has been extended to simulate circular tokamak plasmas from the magnetic axis to the limiter scrape-off-layer. The predictive power of the code in the full-torus configuration is tested via its ability to reproduce experimental steady-state profiles in FT-2 ohmic L-mode plasmas. The results show that the experimental profile solution is not reproduced numerically due to the difficulty of obtaining global power balance. This is verified by cross-comparison of ELMFIRE code versions, which shows also the impact of boundary conditions and grid resolution on turbulent transport.

Original languageEnglish
Pages (from-to)128-137
Number of pages10
JournalComputer Physics Communications
Volume203
DOIs
Publication statusPublished - 1 Jun 2016
MoE publication typeA1 Journal article-refereed

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Limiters
Plasmas
configurations
simulation
Boundary conditions
profiles
grids
boundary conditions

Keywords

  • Core-edge turbulence
  • Fusion plasma physics
  • Gyrokinetic particle simulation

Cite this

Korpilo, T., Gurchenko, A. D., Gusakov, E. Z., Heikkinen, J. A., Janhunen, S. J., Kiviniemi, T. P., ... Perevalov, A. A. (2016). Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration. Computer Physics Communications, 203, 128-137. https://doi.org/10.1016/j.cpc.2016.02.021
Korpilo, T. ; Gurchenko, A. D. ; Gusakov, E. Z. ; Heikkinen, J. A. ; Janhunen, S. J. ; Kiviniemi, T. P. ; Leerink, S. ; Niskala, P. ; Perevalov, A. A. / Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration. In: Computer Physics Communications. 2016 ; Vol. 203. pp. 128-137.
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Korpilo, T, Gurchenko, AD, Gusakov, EZ, Heikkinen, JA, Janhunen, SJ, Kiviniemi, TP, Leerink, S, Niskala, P & Perevalov, AA 2016, 'Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration', Computer Physics Communications, vol. 203, pp. 128-137. https://doi.org/10.1016/j.cpc.2016.02.021

Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration. / Korpilo, T.; Gurchenko, A. D.; Gusakov, E. Z.; Heikkinen, J. A.; Janhunen, S. J.; Kiviniemi, T. P.; Leerink, S.; Niskala, P.; Perevalov, A. A.

In: Computer Physics Communications, Vol. 203, 01.06.2016, p. 128-137.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Korpilo, T.

AU - Gurchenko, A. D.

AU - Gusakov, E. Z.

AU - Heikkinen, J. A.

AU - Janhunen, S. J.

AU - Kiviniemi, T. P.

AU - Leerink, S.

AU - Niskala, P.

AU - Perevalov, A. A.

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AB - The gyrokinetic full 5D particle distribution code ELMFIRE has been extended to simulate circular tokamak plasmas from the magnetic axis to the limiter scrape-off-layer. The predictive power of the code in the full-torus configuration is tested via its ability to reproduce experimental steady-state profiles in FT-2 ohmic L-mode plasmas. The results show that the experimental profile solution is not reproduced numerically due to the difficulty of obtaining global power balance. This is verified by cross-comparison of ELMFIRE code versions, which shows also the impact of boundary conditions and grid resolution on turbulent transport.

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Korpilo T, Gurchenko AD, Gusakov EZ, Heikkinen JA, Janhunen SJ, Kiviniemi TP et al. Gyrokinetic full-torus simulations of ohmic tokamak plasmas in circular limiter configuration. Computer Physics Communications. 2016 Jun 1;203:128-137. https://doi.org/10.1016/j.cpc.2016.02.021