Nonlinear electromagnetic interplay between fast ions and ion-temperature-gradient plasma turbulence

A Di Siena, T Görler, E Poli, AB Navarro… - Journal of Plasma …, 2021 - cambridge.org
In strong electromagnetic regimes, gyrokinetic simulations have linked a substantial ion-
scale turbulence stabilization to the presence of supra-thermal particles, capturing …

Gyrokinetic investigation of Alfvén instabilities in the presence of turbulence

A Biancalani, A Bottino, A Di Siena… - Plasma Physics and …, 2021 - iopscience.iop.org
The nonlinear dynamics of beta-induced Alfvén eigenmodes (BAEs) driven by energetic
particles (EPs) in the presence of ion-temperature-gradient turbulence is investigated, by …

A linear benchmark between HYMAGYC, MEGA and ORB5 codes using the NLED-AUG test case to study Alfvénic modes driven by energetic particles

G Vlad, X Wang, F Vannini, S Briguglio… - Nuclear …, 2021 - iopscience.iop.org
One of the major challenges in magnetic confinement thermonuclear fusion research
concerns the confinement of the energetic particles (EPs) produced by fusion reactions …

Gyrokinetic modeling of anisotropic energetic particle driven instabilities in tokamak plasmas

B Rettino, T Hayward-Schneider, A Biancalani… - Nuclear …, 2022 - iopscience.iop.org
Energetic particles produced by neutral beams are observed to excite energetic-particle-
driven geodesic acoustic modes in tokamaks. We study the effects of anisotropy of …

Numerical tools for burning plasmas

A Mishchenko, A Biancalani, M Borchardt… - Plasma Physics and …, 2023 - iopscience.iop.org
The software stack under development within a European coordinated effort on tools for
burning plasma modelling is presented. The project is organised as a Task (TSVV Task 10) …

[HTML][HTML] Gyrokinetic investigation of the nonlinear interaction of Alfvén instabilities and energetic particle-driven geodesic acoustic modes

F Vannini, A Biancalani, A Bottino… - Physics of …, 2021 - pubs.aip.org
This paper presents a study of the interaction between Alfvén modes and zonal structures,
considering a realistic ASDEX Upgrade equilibrium. The results of gyrokinetic simulations …

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 …

Nonlinear interaction of Alfvénic instabilities and turbulence via the modification of the equilibrium profiles

A Biancalani, A Bottino, D Del Sarto… - Journal of Plasma …, 2023 - cambridge.org
Nonlinear simulations of Alfvén modes (AMs) driven by energetic particles (EPs) in the
presence of turbulence are performed with the gyrokinetic particle-in-cell code ORB5. The …

On the polarization of shear Alfvén and acoustic continuous spectra in toroidal plasmas

MV Falessi, N Carlevaro, V Fusco… - Journal of Plasma …, 2020 - cambridge.org
In this work, the FALCON code is adopted for illustrating the features of shear Alfvén and
sound continuous spectra in toroidal fusion plasmas. The FALCON codes employ the local …

Gyrokinetic modelling of the Alfvén mode activity in ASDEX Upgrade with an isotropic slowing-down fast-particle distribution

F Vannini, A Biancalani, A Bottino… - Nuclear …, 2022 - iopscience.iop.org
In the present paper, the evolution of the Alfvén modes (AMs) is studied in a realistic ASDEX
Upgrade equilibrium by analyzing the results of simulations with the global, electromagnetic …