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DTSTAMP:20250822T115804Z
LOCATION:Room 5.0B56
DTSTART;TZID=Europe/Stockholm:20250616T143000
DTEND;TZID=Europe/Stockholm:20250616T163000
UID:submissions.pasc-conference.org_PASC25_sess116@linklings.com
SUMMARY:MS2C - Advanced Simulations of the Plasma Edge Region in Magnetic 
 Fusion Devices
DESCRIPTION:This minisymposium is dedicated to addressing computational ch
 allenges in magnetic fusion research and, more specifically, latest progre
 ss made in the development of kinetic codes for simulating the edge region
  of tokamak reactors. This outer plasma region involves particularly steep
  pressure gradients, large amplitude fluctuations, the presence of many ty
 pes of impurities, high collisionality among the different plasma species 
 as well as neutral atoms, and non-trivial plasma-wall boundary conditions.
  These conditions are thus particularly challenging to model and this topi
 c is therefore recognized as a frontier domain. The presentations in this 
 session will cover improvements made to today's most advanced gyrokinetic 
 edge codes at three different levels: (1) Enhancements to the simulation m
 odels for including the particularly complex physical processes in this ou
 ter plasma region, (2) novel discretization schemes allowing for more comp
 act representations and consequently more efficient computations, and (3) 
 Improved parallelization schemes for efficiently exploiting today's massiv
 ely parallel and GPU-accelerated platforms. The codes presented in this mi
 nisymposium provide excellent illustrations of the different numerical rep
 resentations considered in the plasma community for carrying out kinetic s
 imulations: Eulerian, moment-based, PIC and semi-Lagrangian. These approac
 hes are obviously common to many other fields of science.\n\nModeling the 
 Edge Physics of Magnetic Fusion Devices in a Tungsten Environment\n\nThe c
 onstruction of the ITER tokamak is motivating a whole field of research co
 ncerning the influence of the tungsten wall on the fusion plasma efficienc
 y. Tungsten ions are sputtered from the plasma facing components and conta
 minate the plasma where they radiate a significant amount of its energy. .
 ..\n\n\nJulien Dominski (Princeton Plasma Physics Laboratory); M. O'Mullan
 e (UKAEA); CS Chang, T. Barbui, L.F. Delgado, R. Hager, and Seung-Hoe Ku (
 Princeton Plasma Physics Laboratory); P. Manas, P. Maget, and J. Morales (
 CEA); F. Parra-Diaz (Princeton Plasma Physics Laboratory); A. Scheinberg (
 Jubilee Development); A. Kallenbach (IPP); and E. Viezzer (University of S
 eville)\n---------------------\nTowards Reactor-Relevant Turbulence Predic
 tions Using the Spectrally Accelerated Full-F Gyrokinetic Code GENE-X\n\nU
 nderstanding and predicting turbulence-driven transport across the edge an
 d scrape-off layer (SOL) are crucial for the success of magnetic confineme
 nt fusion devices. However, the challenging plasma conditions in the edge 
 and SOL require first-principles gyrokinetic (GK) simulations. To address 
 the...\n\n\nBaptiste Frei (Max Planck Institute for Plasma Physics)\n-----
 ----------------\nInvestigating Dynamics of Parallel Transport in SOL Usin
 g PIC Method\n\nIn current fusion reactors the heat and particle loads fro
 m the scrape-off-layer (SOL) plasma to the plasma-facing components (PFCs)
  are one of the main limiting factors in the process of designing devices 
 and operational scenarios for future fusion power plants. The transport in
 to the SOL plasma is...\n\n\nJernej Kovacic (University of Ljubljana)\n---
 ------------------\nGyselalib++: A Portable, Kokkos-Based Library for Exas
 cale Gyrokinetic Simulations\n\nGyselalib++ is a portable, GPU-accelerated
  C++ library designed for high-performance gyrokinetic semi-Lagrangian sim
 ulations. It uses Kokkos to ensure performance portability across diverse 
 hardware architectures, including modern multi-core CPUs and GPUs, making 
 it well-suited for exascale computin...\n\n\nEmily Bourne (EPFL); Virginie
  Grandgirard (CEA, IRFM); Yuuichi Asahi and Julien Bigot (Maison de la Sim
 ulation); Peter Donnel (CEA); Alexander Hoffmann (IPP); Abdelhadi Kara (CE
 A); Etienne Malaboeuf (CINES); Philipp Krah and Dorian Midou (CEA); Yann M
 unschy and Mathieu Peybernes (EPFL); Matthieu Protais and Kevin Obrejan (C
 EA); Thomas Padioleau (Maison de la Simulation); and Pauline Vidal (IPP)\n
 \nDomain: Physics, Computational Methods and Applied Mathematics\n\nSessio
 n Chair: Stephan Brunner (EPFL)
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