CARRE automatically generates a structured curvilinear quasi-orthogonal mesh of the type used in several models of transport for the edge and divertor regions in tokamak fusion experiments.
The method considered works from numerically generated equilibria and from digitized parametrisations of structures and boundaries in the simulation domain. It therefore produces realistic computational meshes which allow comparisons between simulation results and experiments. The method is well adapted to the generation of meshes for a number of interesting magnetic field topologies, such as single null, connected and disconnected double null divertor geometries.
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