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Conference papers
Gyrokinetic Semi-Lagrangian Parallel Simulation using a Hybrid OpenMP/MPI programming
Abstract : This paper describes a parallel implementation of a numerical solver for the Vlasov equation. The solver is based on a kinetic model describing the motion of charged particles in a plasma. The evolution of the distribution of particles in phase space is computed with an explicit method, and we take into account the self-consistent electric field through the coupling with a Poisson type equation. In this paper, we focus on a recently developed 5D parallel numerical application dedicated to gyrokinetic simulation of tokamak systems and ITG turbulence simulation. A semi-Lagrangian Vlasov solver is used. A specific cubic spline interpolation allows us to formulate a domain decomposition method. A hybrid MPI/OpenMP paradigm was used to benefit from a large number of processors while reducing communication costs.
https://hal.archives-ouvertes.fr/hal-00605748
Contributor : Nicolas Crouseilles <>
Submitted on : Monday, July 4, 2011 - 11:32:13 AM
Last modification on : Friday, June 19, 2020 - 9:22:04 AM
Contributor : Nicolas Crouseilles <>
Submitted on : Monday, July 4, 2011 - 11:32:13 AM
Last modification on : Friday, June 19, 2020 - 9:22:04 AM