The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas

M Hoelzl, GTA Huijsmans, SJP Pamela… - Nuclear …, 2021 - iopscience.iop.org
JOREK is a massively parallel fully implicit non-linear extended magneto-hydrodynamic
(MHD) code for realistic tokamak X-point plasmas. It has become a widely used versatile …

A novel path to runaway electron mitigation via deuterium injection and current-driven MHD instability

C Paz-Soldan, C Reux, K Aleynikova… - Nuclear …, 2021 - iopscience.iop.org
Relativistic electron (RE) beams at high current density (low safety factor, qa) yet very low
free-electron density accessed with D 2 secondary injection in the DIII-D and JET tokamak …

Modelling of vertical displacement events in tokamaks: status and challenges ahead

FJ Artola, N Schwarz, S Gerasimov… - Plasma Physics and …, 2024 - iopscience.iop.org
In this paper, we revisit the physics of mitigated and unmitigated Vertical Displacement
Events (VDEs) and present a summary of present modelling efforts and code capabilities …

Fast plasma dilution in ITER with pure deuterium shattered pellet injection

E Nardon, D Hu, M Hoelzl, D Bonfiglio… - Nuclear …, 2020 - iopscience.iop.org
JOREK 3D non-linear magnetohydrodynamic (MHD) simulations of pure deuterium
shattered pellet injection in ITER are presented. Considering a 15 MA L-mode plasma with a …

Non-axisymmetric MHD simulations of the current quench phase of ITER mitigated disruptions

FJ Artola, A Loarte, M Hoelzl, M Lehnen… - Nuclear …, 2022 - iopscience.iop.org
Non-axisymmetric simulations of the current quench phase of ITER disruptions are key to
predict asymmetric forces acting into the ITER wall. We present for the first time such …

Collisional-radiative simulation of impurity assimilation, radiative collapse and MHD dynamics after ITER shattered pellet injection

D Hu, E Nardon, FJ Artola, M Lehnen, D Bonfiglio… - Nuclear …, 2023 - iopscience.iop.org
Recent studies suggest significant time delay between the Shattered Pellet Injection (SPI)
fragment arrival and the temperature radiative collapse could exist in ITER, depending on …

[HTML][HTML] A generalised formulation of G-continuous Bezier elements applied to non-linear MHD simulations

SJP Pamela, GTA Huijsmans, M Hoelzl… - Journal of …, 2022 - Elsevier
The international tokamak ITER is progressing towards assembly completion and first-
plasma operation, which will be a physics and engineering challenge for the fusion …

Experiments and non-linear MHD simulations of hot vertical displacement events in ASDEX-Upgrade

N Schwarz, FJ Artola, M Hoelzl, M Bernert… - Plasma Physics and …, 2023 - iopscience.iop.org
Hot vertical displacement events (VDEs) are one of the worst case scenarios for high-current
tokamaks as they are associated with large heat loads and electro-magnetic forces. Non …

The mechanism of the global vertical force reduction in disruptions mitigated by massive material injection

N Schwarz, FJ Artola, F Vannini, M Hoelzl… - Nuclear …, 2023 - iopscience.iop.org
Disruptions lead to a rapid loss of thermal and magnetic energy and can cause large heat
loads, mechanical forces, and the excitation of a beam of relativistic runaway electrons. The …

Extended full-MHD simulation of non-linear instabilities in tokamak plasmas

SJP Pamela, A Bhole, GTA Huijsmans, B Nkonga… - Physics of …, 2020 - pubs.aip.org
Non-linear magnetohydrodynamic (MHD) simulations play an essential role in active
research and understanding of tokamak plasmas for the realization of a fusion power plant …