2024-03-29T05:08:20Z
https://nagoya.repo.nii.ac.jp/oai
oai:nagoya.repo.nii.ac.jp:02001617
2023-05-08T00:26:20Z
336:695:696
Moment extract method for drift kinetic simulation of magnetized plasma
Nishioka, Kenji
Watanabe, Tomo-Hiko
Maeyama, Shinya
A novel time integration method of the drift kinetic equation is proposed, where low order fluid moment equations including the lowest order terms for the dispersive Alfvén wave propagation are extracted from the electron drift kinetic equations. The moment extract method enables ones to implement an implicit solver for wave propagation by means of the operator splitting, while the kinetic part is solved explicitly. Numerical tests of the new scheme have verified stable and accurate time-integration of the drift kinetic equation and enabled to take a large time step size when the electron β value is smaller than the electron-to-ion mass ratio.
journal article
Elsevier
2021-05-01
application/pdf
Journal of Computational Physics
432
110167
00219991
https://nagoya.repo.nii.ac.jp/record/2001617/files/MME_1D_rev2.pdf
eng
https://doi.org/10.1016/j.jcp.2021.110167
© 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/