Spatial core-edge coupling of the particle-in-cell gyrokinetic codes GEM and XGC
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. Additionally, a mapping technique is developed for transferring data between GEM's structu...
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| Veröffentlicht in: | Physics of plasmas 2020-12, Vol.27 (12) |
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| creator | Cheng, Junyi Dominski, Julien Chen, Yang Chen, Haotian Merlo, Gabriele Ku, Seung-Hoe Hager, Robert Chang, Choong-Seock Suchyta, Eric D'Azevedo, Eduardo Ethier, Stephane Sreepathi, Sarat Klasky, Scott Jenko, Frank Bhattacharjee, Amitava Parker, Scott |
| description | 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. Additionally, 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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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY computer simulation particle-in-cell method plasma confinement plasma dynamics tokamaks |
| title | Spatial core-edge coupling of the particle-in-cell gyrokinetic codes GEM and XGC |
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