V. Grandgirard

Latest

• Linear collisionless dynamics of the GAM with kinetic electrons: Comparison simulations/theory
• A multi-species collisional operator for full-F global gyrokinetics codes : Numerical aspects and validation with the GYSELA code
• Contribution of kinetic electrons to GAM damping
• Particle transport due to energetic-particle-driven geodesic acoustic modes
• Synergy of turbulent and neoclassical transport through poloidal convective cells
• Optimization of Fusion Kernels on Accelerators with Indirect or Strided Memory Access Patterns
• Cross-code gyrokinetic verification and benchmark on the linear collisionless dynamics of the geodesic acoustic mode
• Self-consistent gyrokinetic modeling of neoclassical and turbulent impurity transport
• The EXB staircase of magnetised plasmas
• A 5D gyrokinetic full-f global semi-lagrangian code for flux-driven ion turbulence simulations
• Gyrokinetic investigation of the linear GAM dynamics
• Intercode comparison of gyrokinetic global electromagnetic modes
• A multi-species collisional operator for full-F gyrokinetics
• An approach to increase reliability of HPC simulation, application to the GYSELA5D code
• Comprehensive comparisons of GAM characteristics and dynamics between Tore Supra experiments and gyrokinetic simulations
• Finding the Elusive ExB Staircase in Magnetised Plasmas
• Gyroaverage operator for a polar mesh
• Optimization of the gyroaverage operator based on Hermite interpolation
• Shear flow instabilities induced by trapped ion modes in collisionless temperature gradient turbulence
• Toward memory scalability of GYSELA code for extreme scale computers
• Improving conservation properties of a 5D gyrokinetic semi-Lagrangian code
• Unraveling Quasiperiodic Relaxations of Transport Barriers with Gyrokinetic Simulations of Tokamak Plasmas
• Impact of Energetic-Particle-Driven Geodesic Acoustic Modes on Turbulence
• An asynchronous writing method for restart files in the GYSELA code in prevision of exascale systems
• Gyrokinetic simulations of magnetic fusion plasmas
• Interplay between fast ions and turbulence in magnetic fusion plasmas
• Ion transport barriers triggered by plasma polarization in gyrokinetic simulations
• Scaling gysela code beyond 32K-cores on bluegene/Q
• Structure of nonlocality of plasma turbulence
• Turbulent acceleration and heating in toroidal magnetized plasmas
• Turbulent momentum transport in core tokamak plasmas and penetration of scrape-off layer flows
• Accuracy of unperturbed motion of particles in a gyrokinetic semi-Lagrangian code
• Scalable Quasineutral solver for gyrokinetic simulation
• Fully kinetic description of the linear excitation and nonlinear saturation of fast-ion-driven geodesic acoustic mode instability
• Physics of intrinsic rotation in flux-driven ITG turbulence
• Thermodynamics of neoclassical and turbulent transport
• Some numerical aspects of the conservative PSM scheme in a 4D drift-kinetic code.
• Parallel bottleneck in the Quasineutrality solver embedded in GYSELA
• Some parallel algorithms for the Quasineutrality solver of GYSELA
• Conservation equations and calculation of mean flows in gyrokinetics
• Neoclassical physics in full distribution function gyrokinetics
• Predictions on heat transport and plasma rotation from global gyrokinetic simulations
• Solving the Vlasov equation in complex geometries
• Existence of Metastable Kinetic Modes
• On the validity of the local diffusive paradigm in turbulent plasma transport
• Entropy production rate in tokamak plasmas with helical magnetic perturbations
• Entropy production rate in tokamaks with nonaxisymmetric magnetic fields
• Flux-driven gyrokinetic simulations of ion turbulent transport at low magnetic shear
• Gyrokinetic simulations of turbulent transport: size scaling and chaotic behaviour
• Large scale dynamics in flux driven gyrokinetic turbulence
• Measurements and Modeling of Turbulent Transport in the Tore Supra Tokamak
• Interplay between Gyrokinetic Turbulence, Flows, and Collisions: Perspectives on Transport and Poloidal Rotation
• Role of Plasma Elongation on Turbulent Transport in Magnetically Confined Plasmas
• Turbulence in the TORE SUPRA Tokamak: Measurements and Validation of Nonlinear Simulations
• Entropy production and collisionless fluid closure
• Neoclassical equilibrium in gyrokinetic simulations
• Validating a quasi-linear transport model versus nonlinear simulations
• Computing ITG turbulence with a full-f semi-Lagrangian code
• Defining an equilibrium state in global full-f gyrokinetic models
• Gyrokinetic simulations of neoclassical transport using a minimal collision operator
• Intermittency in flux driven kinetic simulations of trapped ion turbulence
• On the influence of initial state on gyrokinetic simulations
• The European turbulence code benchmarking effort: turbulence driven by thermal gradients in magnetically confined plasmas
• The role of plasma elongation on the linear damping of zonal flows
• Turbulence spectra and transport barriers in gyrokinetic simulations
• Beyond scale separation in gyrokinetic turbulence
• Global full-f gyrokinetic simulations of plasma turbulence
• Gyrokinetic modeling: A multi-water-bag approach
• Gyrokinetic Semi-Lagrangian Parallel Simulation using a Hybrid OpenMP/MPI programming
• A drift-kinetic Semi-Lagrangian 4D code for ion turbulence simulation
• GYSELA, a full-f global gyrokinetic Semi-Lagrangian code for ITG turbulence simulations
• Interplay between transport barriers and density gradient
• Kinetic features of interchange turbulence
• Impact of large scale flows on turbulent transport
• Theoretical understanding of turbulent transport in the SOL