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DTSTAMP:20241120T082409Z
LOCATION:HG F 26.3
DTSTART;TZID=Europe/Stockholm:20240603T143000
DTEND;TZID=Europe/Stockholm:20240603T150000
UID:submissions.pasc-conference.org_PASC24_sess105_msa204@linklings.com
SUMMARY:Vertex-GITR, a Platform-Portable Framework for Particle-Fluid Hybr
 id Simulations of Plasma-Material Interactions
DESCRIPTION:Minisymposium\n\nTimothy Younkin (Oak Ridge National Laborator
 y)\n\nThe plasma-material interaction poses a common difficulty in all fus
 ion concepts, affecting both armor material lifetimes and fusion plasma pe
 rformance. With long experimental lead times, modeling and simulation are 
 critical drivers for advancement. This work presents a framework and speci
 fic applications to accurately quantify the impacts of plasma sheath and m
 aterial sputtering effects on materials. The software stack builds useful 
 abstractions on top of exascale computing project-funded tools like Kokkos
  and Cabana to develop applications. The results of this work are presente
 d for two target areas: the plasma sheath, including sputtering and feedba
 ck to the sheath, and the energy transfer of resonant ions in the ion cycl
 otron heating (ICH) region to non-resonant species. Results show prompt re
 deposition fractions and ion energy distributions of atoms that have retur
 ned to the surface. Temperature equilibration rates are shown for the ICH-
 heated edge plasma.\n\nThis manuscript has been authored by UT-Battelle, L
 LC, under Contract No. DE-AC0500OR22725 with the U.S. Department of Energy
 .\nThis research was supported by the Laboratory Directed Research and Dev
 elopment Program of Oak Ridge National Laboratory, managed by UT-Battelle,
  LLC, for the U. S. Department of Energy\n\nDomain: Engineering, Physics, 
 Computational Methods and Applied Mathematics\n\nSession Chair: Franklin C
 urtis (Oak Ridge National Laboratory)
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