Journal
JOURNAL OF COMPUTATIONAL PHYSICS
Volume 229, Issue 24, Pages 9347-9372Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcp.2010.09.006
Keywords
Gyrokinetic simulation; Eulerian; Numerical methods
Funding
- DOE Center for Multiscale Plasma Dynamics (Fusion Science Center) [ER54785]
- DOE [DEFG0293-ER54197]
- Lever-hulme Trust Network for Magnetised Turbulence in Astrophysical and Fusion Plasmas
- Aspen Center for Physics
- Wolfgang Pauli Institute in Vienna
- National Science Foundation [TG-PHY090084]
- Texas Advanced Computing Center [TG-AST030031N, TG-PHY090080]
- Engineering and Physical Sciences Research Council [EP/I501045/1] Funding Source: researchfish
- EPSRC [EP/I501045/1] Funding Source: UKRI
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The gyrokinetic simulation code AstroGK is developed to study fundamental aspects of kinetic plasmas and for applications mainly to astrophysical problems. AstroGK is an Eulerian slab code that solves the electromagnetic gyrokinetic-Maxwell equations in five-dimensional phase space, and is derived from the existing gyrokinetics code GS2 by removing magnetic geometry effects. Algorithms used in the code are described. The code is benchmarked using linear and nonlinear problems. Serial and parallel performance scalings are also presented. (C) 2010 Elsevier Inc. All rights reserved.
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