Towards a High Order Fourier-SEM Solver of Fluid Models in Tokamaks

Abstract : We investigate a fluid modeling approach to describe the plasma behavior in tokamaks. For the numerical approximation, we use a high order method based on Fourier expansions in the toroidal direction and the spectral element method (SEM) in the poloidal plane. We first focus on anisotropic diffusion, because in tokamaks diffusion strongly dominates along the magnetic field lines, and provide some comparisons with finite element results. Then we give preliminary results for a plasma two fluid (ions and electrons) numerical model.
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Contributor : Richard Pasquetti <>
Submitted on : Thursday, February 13, 2014 - 4:14:47 PM
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Audrey Bonnement, Sebastian Minjeaud, Richard Pasquetti. Towards a High Order Fourier-SEM Solver of Fluid Models in Tokamaks. Mejdi Azaïez and Henda El Fekih and Jan S. Hesthaven. Spectral and High Order Methods for Partial Differential Equations - ICOSAHOM 2012, Springer, pp.169-178, 2014, Lecture Notes in Computational Science and Engineering - Volume 95, 978-3-319-01601-6. ⟨10.1007/978-3-319-01601-6_13⟩. ⟨hal-00946524⟩



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