Benchmark of gyrokinetic, kinetic MHD and gyrofluid codes for the linear calculation of fast particle driven TAE dynamics

Könies, Axel; Briguglio, S.; Gorelenkov, N.; Fehér, T.; Isaev, M.; Lauber, Ph.; Mishchenko, A.; Spong, D. A.; Todo, Y.; Cooper, W. A.; Hatzky, R.; Kleiber, R.; Borchardt, M.; Vlad, G.; Biancalani, A.; Bottino, A.

doi:10.1088/1741-4326/aae4e6

Title: Benchmark of gyrokinetic, kinetic MHD and gyrofluid codes for the linear calculation of fast particle driven TAE dynamics

Journal Article · 21 October 2018 · Nuclear Fusion

DOI: https://doi.org/10.1088/1741-4326/aae4e6 · OSTI ID:1484242

Könies, Axel ^[1]; Briguglio, S. ^[2]; Gorelenkov, N. ^[3]; Fehér, T. ^[4]; Isaev, M. ^[5]; Lauber, Ph. ^[4]; Mishchenko, A. ^[1];

^[6];

^[7]; Cooper, W. A. ^[8]; Hatzky, R. ^[4]; Kleiber, R. ^[1]; Borchardt, M. ^[1]; Vlad, G. ^[2]; Biancalani, A. ^[4]; Bottino, A. ^[4]

Max Planck Institute for Plasma Physics, Greifswald (Germany)
ENEA C. R. Frascati, Frascati (Italy)
Princeton Univ., Princeton, NJ (United States). Princeton Plasma Physics Lab.
Max Planck Institute for Plasma Physics, Garching (Germany)
NRC Kurchatov Institute, Moscow (Russian Federation)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
National Institute for Fusion Science, Toki (Japan)
Ecole Polytechnique Federale de Lausanne, Lausanne (Switzerland)

Fast particles in fusion plasmas may drive Alfvén modes unstable leading to fluctuations of the internal electromagnetic fields and potential loss of particles. Such instabilities can have an impact on the performance and the wall-load of machines with burning plasmas such as ITER. A linear benchmark for a toroidal Alfvén eigenmode (TAE) is done with 11 participating codes with a broad variation in the physical as well as the numerical models. A reasonable agreement of around 20% has been found for the growth rates. Furthermore, the agreement of the eigenfunctions and mode frequencies is satisfying. However, they are found to depend strongly on the complexity of the used model.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)

Sponsoring Organization:: Euratom; USDOE

Contributing Organization:: ITPA EP TG

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1484242

Journal Information:: Nuclear Fusion, Journal Name: Nuclear Fusion Journal Issue: 12 Vol. 58; ISSN 0029-5515

Publisher:: IOP ScienceCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (4)

Reduction of the statistical error in electromagnetic gyrokinetic particle-in-cell simulations Hatzky, R.; Kleiber, R.; Könies, A. Journal of Plasma Physics, Vol. 85, Issue 1 https://doi.org/10.1017/s0022377819000096	journal	February 2019
Gyrokinetic investigation of the damping channels of Alfvén modes in ASDEX Upgrade Vannini, F.; Biancalani, A.; Bottino, A. Physics of Plasmas, Vol. 27, Issue 4 https://doi.org/10.1063/1.5134979	journal	April 2020
Beam Ion–Driven Alfvén Instabilities in T-15 Baseline Scenario Isaev, M. Y.; Leonov, V. M.; Medvedev, S. Y. Fusion Science and Technology, Vol. 75, Issue 3 https://doi.org/10.1080/15361055.2018.1562315	journal	March 2019
Critical energetic particle distribution in phase space for the Alfvén eigenmode burst with global resonance overlap Todo, Y. Nuclear Fusion, Vol. 59, Issue 9 https://doi.org/10.1088/1741-4326/ab2fff	journal	August 2019

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