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Title: Continuum Gyrokinetic Edge New Technology

COGENT is a simulation code that models the plasma evolution in the edge region of a tokamak fusion reactor, from the open field line scrape-off layer, across the separatrix, and into the core. The model is based on the 4D gyrokinetic closure of the kinetic equations for a plasma coupled to an electrostatic potential field. The background magnetic field is prescribed either analytically or generated from experimental data, and the grid is aligned with magnetic flux surfaces. Multiple collision operator options are provided, from Krook to fully nonlinear Fokker-Planck.
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  1. Lawrence Livermore National Laboroatory
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Research Org:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Contributing Orgs:
Lawrence Livermore National Laboratory, Science and Technology, Center for Applied Scientific Computing
Country of Publication:
United States

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