期刊
PHYSICS OF PLASMAS
卷 27, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0026043
关键词
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资金
- Exascale Computing Project [17-SC-20-SC]
- U.S. Department of Energy Office of Science
- National Nuclear Security Administration
- Office of Science of the U.S. Department of Energy [DE-AC05-00OR22725, DE-AC02-05CH11231]
Two existing particle-in-cell gyrokinetic codes, GEM for the core region and XGC for the edge region, have been successfully coupled with a spatial coupling scheme at the interface in a toroidal geometry. A mapping technique is developed for transferring data between GEM's structured and XGC's unstructured meshes. Two examples of coupled simulations are presented to demonstrate the coupling scheme. The optimization of GEM for graphics processing unit is also presented.
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