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2 results on '"Varje P"'

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

Author

Hirvijoki, E, Kurki-Suonio, T, Äkäslompolo, S, Varje, J, Koskela, T, and Miettunen, J

Subjects
physics.plasm-ph, physics.comp-ph, Fluids & Plasmas, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract

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.

Published
2015

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

Author

Hirvijoki, E, Kurki-Suonio, T, Äkäslompolo, S, Varje, J, Koskela, T, and Miettunen, J

Subjects
Nuclear and Plasma Physics, Physical Sciences, physics.plasm-ph, physics.comp-ph, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Fluids & Plasmas, Nuclear and plasma physics
Abstract

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.

Published
2015

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