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 …

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 …

Radiation asymmetry and MHD destabilization during the thermal quench after impurity shattered pellet injection

D Hu, E Nardon, M Hoelzl, F Wieschollek… - Nuclear …, 2021 - iopscience.iop.org
The radiation response and the MHD destabilization during the thermal quench after a
mixed species shattered pellet injection with impurity species neon and argon are …

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 …

Linear and nonlinear benchmarks between the CLT code and the M3D-C1 code for the 2/1 resistive tearing mode and the 1/1 resistive kink mode

W Zhang, SC Jardin, ZW Ma, A Kleiner… - Computer Physics …, 2021 - Elsevier
The linear and nonlinear benchmarks between the CLT code and the M3D-C1 code for the
2/1 resistive tearing mode and the 1/1 resistive kink mode are presented. CLT is an explicit …

Fast-ion-driven vertical modes in magnetically confined toroidal plasmas

T Barberis, F Porcelli, A Yolbarsop - Nuclear Fusion, 2022 - iopscience.iop.org
A new type of fast particle instability involving axisymmetric modes in magnetic fusion
tokamak plasmas is presented. The relevant dispersion relation involves three roots. One …

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 …

Simulations of COMPASS vertical displacement events with a self-consistent model for halo currents including neutrals and sheath boundary conditions

FJ Artola, A Loarte, E Matveeva… - Plasma Physics and …, 2021 - iopscience.iop.org
The understanding of the halo current properties during disruptions is key to design and
operate large scale tokamaks in view of the large thermal and electromagnetic loads that …

Vertical displacement oscillatory modes in tokamak plasmas

T Barberis, A Yolbarsop, F Porcelli - Journal of Plasma Physics, 2022 - cambridge.org
Vertical displacement normal modes in shaped tokamak plasmas are studied analytically,
based on the reduced ideal-magnetohydrodynamic model. With the help of quadratic forms …

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 …