This paper presents the current state of the global gyrokinetic code Orb 5 as an update of the
previous reference (Jolliet et al., 2007). The Orb 5 code solves the electromagnetic Vlasov …

The current state of the EUTERPE code is described with emphasis on the implemented
models and their numerical implementation. The code solves the multi-species …

The development of reduced models provide efficient methods that can be used to perform
short term experimental data analysis or narrow down the parametric range of more …

This paper reports verification and validation of linear simulations of Alfvén eigenmodes in
the current ramp phase of DIII-D L-mode discharge# 159243 using gyrokinetic, gyrokinetic …

The pullback scheme is implemented in the global gyrokinetic particle-in-cell code ORB5
(Jolliet et al., 2007 [1]) to mitigate the cancellation problem in electromagnetic simulations …

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 …

It is shown that a considerable mitigation of the cancellation problem can be achieved by a
slight modification of the simulation scheme. The new scheme is verified, simulating a …

A new algorithm for electromagnetic gyrokinetic simulations, the so called “pullback
transformation scheme” proposed by Mishchenko et al.[Phys. Plasmas 21, 092110 (2014)] is …

Linear and nonlinear simulations are carried out for the edge coherent mode (ECM) using
the global gyrokinetic code GEM based on the EAST experimental parameters. The linear …

We investigate tearing modes (TM) driven by current density gradient in collisionless
tokamak plasmas by using the electromagnetic gyrokinetic simulation code ORB5. We …