A geometric multigrid preconditioner with toroidal semi-coarsening is developed for tokamak MHD models and shown to match or exceed block Jacobi performance on SPARC disruption and stellarator cases.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
physics.plasm-ph 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Fast solvers for Tokamak fluid models with PETSC
A geometric multigrid preconditioner with toroidal semi-coarsening is developed for tokamak MHD models and shown to match or exceed block Jacobi performance on SPARC disruption and stellarator cases.