Electromagnetic total-f algorithm for gyrokinetic particle-in-cell simulations of boundary plasma in XGC
The simplified δf mixed-variable/pullback electromagnetic simulation algorithm implemented
in XGC for core plasma simulations by Cole et al.[Phys. Plasmas 28, 034501 (2021)] has …
in XGC for core plasma simulations by Cole et al.[Phys. Plasmas 28, 034501 (2021)] has …
Optimization of 3D controlled ELM-free state with recovered global confinement for KSTAR with n= 1 resonant magnetic field perturbation
Mitigation of deleterious heat flux from edge-localized modes (ELMs) on fusion reactors is
often attempted with 3D perturbations of the confining magnetic fields. However, the …
often attempted with 3D perturbations of the confining magnetic fields. However, the …
Predicting operational windows of ELMs suppression by resonant magnetic perturbations in the DIII-D and KSTAR tokamaks
ABSTRACT A newly developed plasma response model, combining the nonlinear two-fluid
MHD code TM1 and toroidal MHD code GPEC run in ideal mode, quantitatively predicts the …
MHD code TM1 and toroidal MHD code GPEC run in ideal mode, quantitatively predicts the …
Magnetic flutter effect on validated edge turbulence simulations
K Zhang, W Zholobenko, A Stegmeir, K Eder… - Nuclear …, 2024 - iopscience.iop.org
Small magnetic fluctuations (B1/B0∼ 10− 4) are intrinsically present in a magnetic
confinement plasma due to turbulent currents. While the perpendicular transport of particles …
confinement plasma due to turbulent currents. While the perpendicular transport of particles …
Optimizing 3D magnetic perturbations for edge instability control in the KSTAR tokamak
JK Park - Reviews of Modern Plasma Physics, 2023 - Springer
A small non-axisymmetric (3D) magnetic field can offer invaluable ways for instability control
in tokamaks when optimally used, as has been highlighted by the edge-localized mode …
in tokamaks when optimally used, as has been highlighted by the edge-localized mode …
Nonlinear two-fluid modeling of plasma response to RMPs for the ELM control in the ITER baseline
Numerical modeling, combining the toroidal ideal MHD code GPEC and the nonlinear two-
fluid MHD code TM1, was used for comprehensive studies of the plasma response to …
fluid MHD code TM1, was used for comprehensive studies of the plasma response to …
Nonlinear MHD modeling of n= 1 RMP-induced pedestal transport and mode coupling effects on ELM suppression in KSTAR
Fully suppressing edge-localized modes (ELMs), eg, with resonant magnetic perturbations
(RMPs), is essential to reach and sustain high-performance steady-state H-mode plasmas …
(RMPs), is essential to reach and sustain high-performance steady-state H-mode plasmas …
Tokamak H-mode edge-SOL global turbulence simulations with an electromagnetic, transcollisional drift-fluid model
W Zholobenko, K Zhang, A Stegmeir, J Pfennig… - arXiv preprint arXiv …, 2024 - arxiv.org
The design of commercially feasible magnetic confinement fusion reactors strongly relies on
the reduced turbulent transport in the plasma edge during operation in the high confinement …
the reduced turbulent transport in the plasma edge during operation in the high confinement …
Breakdown of Quasilinear Theory in the Tokamak Edge
A Ashourvan, J Candy - Physical Review Letters, 2024 - APS
In the edge of an L-mode tokamak plasma, particle transport and ion energy transport are
shown to follow a strong microturbulence (SMT) scaling, whereas in the plasma core the …
shown to follow a strong microturbulence (SMT) scaling, whereas in the plasma core the …
Machine learning accelerated particle-in-cell plasma simulations
Particle-In-Cell (PIC) methods are frequently used for kinetic, high-fidelity simulations of
plasmas. Implicit formulations of PIC algorithms feature strong conservation properties, up to …
plasmas. Implicit formulations of PIC algorithms feature strong conservation properties, up to …