A Singularity-Free Coordinate System for X-point Geometries

@inproceedings{Hariri2014ASC,
  title={A Singularity-Free Coordinate System for X-point Geometries},
  author={Farah Hariri and Peter Hill and Maurizio Ottaviani and Yanick Sarazin},
  year={2014}
}
A Flux Coordinate Independent (FCI) approach for anisotropic systems, not based on magnetic flux coordinates has been introduced in [F. Hariri and M. Ottaviani, Comput. Phys. Commun., 184, 2419 (2013)]. In this paper, we show that the approach can tackle magnetic configurations including X-points. Using the code FENICIA, an equilibrium with a magnetic island has been used to show the robustness of the FCI approach to cases in which a magnetic separatrix is present in the system, either by… 
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