The development of an implicit full f method for electromagnetic particle simulations of Alfvén waves and energetic particle physics

ZX Lu, G Meng, M Hoelzl, P Lauber - Journal of Computational Physics, 2021 - Elsevier
In this work, an implicit scheme for particle-in-cell/Fourier electromagnetic simulations is
developed and applied to studies of Alfvén waves in one dimension and three dimensional …

On the effect of beating during nonlinear frequency chirping

A Bierwage, RB White, VN Duarte - Plasma and Fusion Research, 2021 - jstage.jst.go.jp
In magnetically confined fusion (MCF) research, bursting and chirping Alfvénic fluctuations
have attracted much interest since they may affect the confinement of fusion-born alpha …

Full f and gyrokinetic particle simulations of alfvén waves and energetic particle physics

Z Lu, G Meng, R Hatzky, M Hoelzl… - Plasma Physics and …, 2023 - iopscience.iop.org
Full f and gyrokinetic particle simulations of Alfvén waves and energetic particle physics -
IOPscience This site uses cookies. By continuing to use this site you agree to our use of cookies …

[HTML][HTML] Testing the conservative character of particle simulations: I. Canonical and noncanonical guiding center model in Boozer coordinates

A Bierwage, RB White, A Matsuyama - Physics of Plasmas, 2022 - pubs.aip.org
The guiding center (GC) Lagrangian in Boozer coordinates for toroidally confined plasmas
can be cast into canonical form by eliminating terms containing the covariant component B …

The radial phase variation of reversed-shear and toroidicity-induced Alfvén eigenmodes in DIII-D

WW Heidbrink, EC Hansen, ME Austin… - Nuclear …, 2022 - iopscience.iop.org
The eigenfunction of an instability contains information about energy flow in the wave. In this
study, the amplitude and phase of electron cyclotron emission radiometer data from …

[PDF][PDF] Energetic particle dynamics induced by off-axis neutral beam injection on ASDEX-upgrade, JT-60SA and ITER

P Lauber, G Meng, Z Lu, A Popa… - The 28th IAEA Fusion …, 2021 - nucleus.iaea.org
In this paper we report on experimental and modeling results concerning the energetic
particle (EP) dynamics in plasma scenarios with off-axis neutral beam (NB) injection at …

Mode structure symmetry breaking of reversed shear Alfvén eigenmodes and its impact on the generation of parallel velocity asymmetries in energetic particle …

M Guo, P Lauber, W Xin, LU Zhixin - Plasma Science and …, 2022 - iopscience.iop.org
In this work, the gyrokinetic eigenvalue code LIGKA, the drift-kinetic/MHD hybrid code
HMGC and the gyrokinetic full-f code TRIMEG-GKX are employed to study the mode …

[PDF][PDF] Theoretical, Numerical, and Experimental Studies of Advanced Transport Models for Energetic Particles

G Meng, P Lauber, Z Lu, MV Falessi, J Bao… - 50th EPS Conference …, 2024 - lac913.epfl.ch
Energetic particle (EP) transport exhibits multiple spatio-temporal scales and nonlinear
behaviors. Electromagnetic kinetic effects, EP anisotropy, symmetry breaking and nonlinear …

The development of an implicit full f method for electromagnetic particle simulations of Alfv\'en waves and energetic particle physics

ZX Lu, G Meng, M Hoelzl, P Lauber - arXiv preprint arXiv:2007.06935, 2020 - arxiv.org
In this work, an implicit scheme for particle-in-cell/Fourier electromagnetic simulations is
developed and applied to studies of Alfv\'en waves in one dimension and three-dimensional …