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DTSTART;TZID=Europe/Stockholm:20260630T134500
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UID:submissions.pasc-conference.org_PASC26_sess142@linklings.com
SUMMARY:MS3B - Latest Developments in First Principle-Based HPC Simulation
 s for Magnetic Fusion
DESCRIPTION:Access the recording\n\nOrganizer(s): Eric Sonnendrücker, Flor
 ian Hindenlang (Max Planck Institute for Plasma Physics), and Stephan Brun
 ner (EPFL)\n\nNuclear fusion is considered a credible complement to renewa
 ble energies in the effort towards reaching sustainable development goals.
  The currently most advanced and promising fusion reactor devices are the 
 tokamak and the stellarator, which are based on the concept of magnetic co
 nfinement. Due to the high cost of building such machines as well as the c
 omplexity of the processes involved, comprehensive numerical simulations w
 ith a substantial HPC component are indispensable to progress our understa
 nding of the underlying physics. This minisymposium is dedicated to the de
 velopment and application of first-principle kinetic and gyrokinetic codes
 . As these models are computing a 5D or 6D distribution function, the code
 s will need very large computational resources so that special attention n
 eeds to be taken to optimize as well the algorithms as their implementatio
 n. The four talks will be dedicated to performance and optimization of the
  CGYRO gyrokinetic code for multiscale plasma turbulence simulation, to th
 e development of the new exascale semi-Lagrangian gyrokinetic code GYSELA-
 X++ with first benchmarks and physics results, to the development of a new
  geometric Particle-In-Cell code GEMPICX based on the AMReX framework and 
 to global gyrokinetic simulation with the flux-tube code Stella.\n\nLevera
 ging Exascale Computing for Multiscale Turbulence Simulation of Fusion Pla
 smas\n\nPredicting turbulence and transport in burning plasma regimes is c
 entral to designing future fusion pilot plants with optimal energy confine
 ment and fusion performance.  CGYRO is a scalable, GPU-optimized 5D gyroki
 netic solver for multiscale electromagnetic plasma turbulence.  This turbu
 lence bridge...\n\n\nEmily A. Belli and Jeff Candy (General Atomics) and I
 gor Sfiligoi (University of California San Diego)\n---------------------\n
 The Gysela-X project: Developing a Successor to GYSELA for Exascale Perfor
 mance and New Physics\n\nThe Fortran code GYSELA is one of the leading cod
 es for global flux-driven simulations of fusion plasmas. The Gysela-X proj
 ect consists in the development of a series of C++ codes, culminating in G
 YSELA’s successor, Gysela-X++, which will feature new physics capabilities
 , including in particul...\n\n\nKevin Obrejan and Virginie Grandgirard (CE
 A, IRFM); Yuuichi Asahi and Julien Bigot (CEA, Maison de la Simulation); E
 mily Bourne (EPFL); Ariel De Vora and Peter Donnel (CEA, IRFM); Michael Go
  (Nanyang Technological University); Alexander Hoffmann (Max Planck Instit
 ute for Plasma Physics); Abdelhadi Kara and Philipp Krah (CEA, IRFM); Etie
 nne Malaboeuf (CINES); Thomas Padioleau (CEA, Maison de la Simulation); Ma
 tthieu Protais (CEA, IRFM); and Pauline Vidal (Max Planck Institute for Pl
 asma Physics)\n---------------------\nIntroduction to and Latest Developme
 nts in GEMPICX\n\nThe GEMPICX framework, recently made public (https://git
 hub.com/NMPPMaxPlanck/GEMPICX), is an AMReX-based (https://amrex-codes.git
 hub.io/amrex/) structure preserving plasma physics simulation code still u
 ndergoing active development. We will present an overview of the current c
 apabilities of the fra...\n\n\nEmil Poulsen (Max Planck Institute for Plas
 ma Physics)\n---------------------\nRecent Advances in Electromagnetic and
  Non-Axisymmetric Turbulent Transport Simulations for Magnetic Confinement
  Fusion Plasmas\n\nDirect numerical simulation of turbulence in magnetic c
 onfinement fusion plasmas is challenging due to the presence of a diverse 
 set of physical phenomena, spanning a wide range of space and time scales.
   This is particularly evident for the reactor-relevant plasmas that are a
 n increasing focus of t...\n\n\nMichael Barnes (University of Oxford); Geo
 rgia Acton (Max Planck Institute for Plasma Physics); and Yujia Zhang (Uni
 ted Kingdom Atomic Energy Authority, University of Oxford)\n\nDomain: Phys
 ics, Computational Methods and Applied Mathematics\n\nSession Chair: Eric 
 Sonnendrücker (Max Planck Institute for Plasma Physics, Technical Universi
 ty of Munich)
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