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DTSTAMP:20210916T132450Z
LOCATION:Lise Girardin
DTSTART;TZID=Europe/Stockholm:20210706T143000
DTEND;TZID=Europe/Stockholm:20210706T150000
UID:submissions.pasc-conference.org_PASC21_sess133_msa357@linklings.com
SUMMARY:High-Fidelity Modeling of Magnetic Fusion Reactor Based on the Kin
 etic Coupling of Core and Edge Gyrokinetic Codes
DESCRIPTION:Minisymposium\n\nHigh-Fidelity Modeling of Magnetic Fusion Rea
 ctor Based on the Kinetic Coupling of Core and Edge Gyrokinetic Codes\n\nD
 ominski\n\nThe Exascale High-Fidelity Whole Device Modeling project aims a
 t coupling core delta-f and edge total-f gyrokinetic simulations for 
 modeling the whole volume of the magnetic fusion reactor ITER. The co
 upling of the core and edge simulations is performed over an overlap regio
 n with a core-edge coupling algorithm based on first principles. This new 
 algorithm uses a combination of high frequency field coupling [1] and
  low frequency kinetic coupling [2]. The field coupling between different 
 codes requires interpolation between their different grids [3] [4]. On the
  other hand, the kinetic coupling of the distribution function is based on
  a resampling technique, which enables the coupling of particle and grid c
 odes. Indeed, it permits the transfer of the distribution function informa
 tion from a particle representation to a grid representation. It also perm
 its the coupling of two particle codes that model the distribution functio
 n differently (delta-f or total-f), because an intermediate 5D grid is use
 d to communicate between these two particle codes. <br />[1] J. Domin
 ski, et al. Phys. of Plasmas 25, 072308 (2018)<br />[2] J. Domin
 ski, et al. Phys. of Plasmas 28, 022301 (2021) <br />[3] J. Chen
 g, et al. Phys. of Plasmas 27, 122510 (2020)<br />[4] G. Merlo, et al
 . Phys. of Plasmas 28, 012303 (2021)<br />*Work supported by the US D
 OE under the Exascale Computing Project (17-SC-20-SC).\n\nDomain: Physics
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