期刊
PHYSICS OF PLASMAS
卷 19, 期 8, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4742985
关键词
-
资金
- U.S. Department of Energy [AC02-09CH11466]
A fully variational, unstructured, electromagnetic particle-in-cell integrator is developed for integration of the Vlasov-Maxwell equations. Using the formalism of discrete exterior calculus [Desbrun et al., e-print arXiv:math/0508341 (2005)], the field solver, interpolation scheme, and particle advance algorithm are derived through minimization of a single discrete field theory action. As a consequence of ensuring that the action is invariant under discrete electromagnetic gauge transformations, the integrator exactly conserves Gauss's law. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4742985]
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