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Open Access Publications from the University of California

Monte Carlo method and High Performance Computing for solving Fokker-Planck equation of minority plasma particles

  • Author(s): Hirvijoki, E;
  • Kurki-Suonio, T;
  • Äkäslompolo, S;
  • Varje, J;
  • Koskela, T;
  • Miettunen, J
  • et al.

This paper explains how to obtain the distribution function of minority ions in tokamak plasmas using the Monte Carlo method. Since the emphasis is on energetic ions, the guiding-center transformation is outlined, including also the transformation of the collision operator. Even within the guiding-center formalism, the fast particle simulations can still be very CPU intensive and, therefore, we introduce the reader also to the world of high-performance computing. The paper is concluded with a few examples where the presented method has been applied.

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