189 citations · 595 across the 24 of their papers we have counts for
5 papers · 1 filter
Evaluation of performance portability frameworks for the implementation of a particle-in-cell code
Victor Artigues, Katharina Kormann, Markus Rampp +1
This paper reports on an in-depth evaluation of the performance portability frameworks Kokkos and RAJA with respect to their suitability for the implementation of complex particle-…
Energy-conserving time propagation for a geometric particle-in-cell Vlasov--Maxwell solver
Katharina Kormann, Eric Sonnendrücker
This paper discusses energy-conserving time-discretizations for finite element particle-in-cell discretizations of the Vlasov--Maxwell system. A geometric spatially discrete system…
A Hermite-like basis for faster matrix-free evaluation of interior penalty discontinuous Galerkin operators
Martin Kronbichler, Katharina Kormann, Niklas Fehn +2
This work proposes a basis for improved throughput of matrix-free evaluation of discontinuous Galerkin symmetric interior penalty discretizations on hexahedral elements. The basis…
Stable interpolation with isotropic and anisotropic Gaussians using Hermite generating function
Katharina Kormann, Caroline Lasser, Anna Yurova
Gaussian kernels can be an efficient and accurate tool for multivariate interpolation. In practice, high accuracies are often achieved in the flat limit where the interpolation mat…
A massively parallel semi-Lagrangian solver for the six-dimensional Vlasov-Poisson equation
Katharina Kormann, Klaus Reuter, Markus Rampp
This paper presents an optimized and scalable semi-Lagrangian solver for the Vlasov-Poisson system in six-dimensional phase space. Grid-based solvers of the Vlasov equation are kno…