EUROfusion-theory and advanced simulation coordination (E-TASC): programme and the role of high performance computing

Xavier Litaudon*, Frank Jenko, D. V. Borodin, B. J. Braams, S. Brezinsek, S. Calvo, R. Coelho, A. J. H. Donné, O. Embréus, T. Görler, J. P. Graves, R. Hatzky, D. Farina, J. Hillesheim, F. Imbeaux, Denis Kalupin, Richard Leopold Kamendje, H. T. Kim, H. Meyer, F. MilitelloK. Nordlund, C. Roach, F. Robin, M. Romanelli, F. Schluck, E. Serre, E. Sonnendrücker, P Strand, P. Tamain, D. Tskhakaya, J. L. Velasco, L. Villard, S. Wiesen, H. Wilson, F. Zonca

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper is a written summary of an overview oral presentation given at the 1st Spanish Fusion High Performance Computer (HPC) Workshop that took place on the 27 November 2020 as an online event. Given that over the next few years ITER24 ITER ('The Way' in Latin) is the world's largest tokamak under construction in the south of France: a magnetic fusion device that has been designed to prove the feasibility of fusion as a large-scale and carbon-free source of energy ( will move to its operation phase and the European-DEMO design will be significantly advanced, the EUROfusion consortium has initiated a coordination effort in theory and advanced simulation to address some of the challenges of the fusion research in Horizon EUROPE (2021-2027), i.e. the next EU Framework Programme for Research and Technological Development. This initiative has been called E-TASC, which stands for EUROfusion-Theory and Advanced Simulation Coordination. The general and guiding principles of E-TASC are summarized in this paper. In addition, an overview of the scientific results obtained in the pilot phase (2019-2020) of E-TASC are provided while highlighting the importance of the required progress in computational methods and HPC techniques. In the initial phase, five pilot theory and simulation tasks were initiated: towards a validated predictive capability of the low to high transition and pedestal physics; runaway electrons in tokamak disruptions in the presence of massive material injection; fast code for the calculation of neoclassical toroidal viscosity in stellarators and tokamaks; development of a neutral gas kinetics modular code; European edge and boundary code for reactor-relevant devices. In this paper, we report on recent progress made by each of these projects.

Original languageEnglish
Article number034005
JournalPlasma Physics and Controlled Fusion
Issue number3
Publication statusPublished - Mar 2022


  • EUROfusion
  • high performance computer
  • theory and simulation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Nuclear Energy and Engineering


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