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Block-structured grids for Eulerian gyrokinetic simulations
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DOI：10.1016/j.cpc.2015.09.007.png)
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摘要
En 中文
In order to predict the turbulent transport in magnetic fusion experiments, global (i.e., full-torus) gyrokinetic simulations are often carried out. In this context, one frequently encounters situations in which the plasma temperature varies by large factors across the radial simulation domain. In grid-based Eulerian codes, this enforces the use of a very large number of grid points in'the two-dimensional velocity space, and, thus, an enormous computational effort. To minimize the computational requirements, one may employ block-structured grids, adapted to the radial changes of the temperature. As the blockstructured grids rely on a general approach, they can be applied to different Eulerian gyrokinetic implementations. In this paper, we explain the construction and implementation of such grids in the gyrokinetic code GENE, F. Jenko et al. (2000), and present corresponding simulation results. (C) 2015 Elsevier B.V. All rights reserved.
Keyword:
Plasma turbulence
Gyrokinetic simulation
Block-structured grids
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期刊
IF:
3.4
论文数:
1.2W
被引数:
3.7W
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