Articles | Volume 15, issue 20
https://doi.org/10.5194/gmd-15-7903-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-15-7903-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
27 Oct 2022
Development and technical paper |
| 27 Oct 2022
| 27 Oct 2022
Spatial filtering in a 6D hybrid-Vlasov scheme to alleviate adaptive mesh refinement artifacts: a case study with Vlasiator (versions 5.0, 5.1, and 5.2.1)
Konstantinos Papadakis
CORRESPONDING AUTHOR
Department of Physics, University of Helsinki, Helsinki, Finland
Yann Pfau-Kempf
Department of Physics, University of Helsinki, Helsinki, Finland
Urs Ganse
Department of Physics, University of Helsinki, Helsinki, Finland
Markus Battarbee
Department of Physics, University of Helsinki, Helsinki, Finland
Markku Alho
Department of Physics, University of Helsinki, Helsinki, Finland
Maxime Grandin
Department of Physics, University of Helsinki, Helsinki, Finland
Maxime Dubart
Department of Physics, University of Helsinki, Helsinki, Finland
Lucile Turc
Department of Physics, University of Helsinki, Helsinki, Finland
Hongyang Zhou
Department of Physics, University of Helsinki, Helsinki, Finland
Konstantinos Horaites
Department of Physics, University of Helsinki, Helsinki, Finland
Ivan Zaitsev
Department of Physics, University of Helsinki, Helsinki, Finland
Giulia Cozzani
Department of Physics, University of Helsinki, Helsinki, Finland
Maarja Bussov
Department of Physics, University of Helsinki, Helsinki, Finland
Evgeny Gordeev
Department of Physics, University of Helsinki, Helsinki, Finland
Fasil Tesema
Department of Physics, University of Helsinki, Helsinki, Finland
Harriet George
Department of Physics, University of Helsinki, Helsinki, Finland
Jonas Suni
Department of Physics, University of Helsinki, Helsinki, Finland
Vertti Tarvus
Department of Physics, University of Helsinki, Helsinki, Finland
Minna Palmroth
Department of Physics, University of Helsinki, Helsinki, Finland
Finnish Meteorological Institute, Space and Earth Observation Centre, Helsinki, Finland
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Cited
5 citations as recorded by crossref.
- Magnetospheric Response to a Pressure Pulse in a Three‐Dimensional Hybrid‐Vlasov Simulation K. Horaites et al. 10.1029/2023JA031374
- Hybrid-Vlasov Modelling of Ion Velocity Distribution Functions Associated with the Kelvin–Helmholtz Instability with a Density and Temperature Asymmetry V. Tarvus et al. 10.3847/1538-4357/ad697a
- Physics-motivated cell-octree adaptive mesh refinement in the Vlasiator 5.3 global hybrid-Vlasov code L. Kotipalo et al. 10.5194/gmd-17-6401-2024
- Enabling technology for global 3D+3V hybrid-Vlasov simulations of near-Earth space U. Ganse et al. 10.1063/5.0134387
- The muphyII code: Multiphysics plasma simulation on large HPC systems F. Allmann-Rahn et al. 10.1016/j.cpc.2023.109064
5 citations as recorded by crossref.
- Magnetospheric Response to a Pressure Pulse in a Three‐Dimensional Hybrid‐Vlasov Simulation K. Horaites et al. 10.1029/2023JA031374
- Hybrid-Vlasov Modelling of Ion Velocity Distribution Functions Associated with the Kelvin–Helmholtz Instability with a Density and Temperature Asymmetry V. Tarvus et al. 10.3847/1538-4357/ad697a
- Physics-motivated cell-octree adaptive mesh refinement in the Vlasiator 5.3 global hybrid-Vlasov code L. Kotipalo et al. 10.5194/gmd-17-6401-2024
- Enabling technology for global 3D+3V hybrid-Vlasov simulations of near-Earth space U. Ganse et al. 10.1063/5.0134387
- The muphyII code: Multiphysics plasma simulation on large HPC systems F. Allmann-Rahn et al. 10.1016/j.cpc.2023.109064
Latest update: 20 Nov 2024
Short summary
Vlasiator is a plasma simulation code that simulates the entire near-Earth space at a global scale. As 6D simulations require enormous amounts of computational resources, Vlasiator uses adaptive mesh refinement (AMR) to lighten the computational burden. However, due to Vlasiator’s grid topology, AMR simulations suffer from grid aliasing artifacts that affect the global results. In this work, we present and evaluate the performance of a mechanism for alleviating those artifacts.
Vlasiator is a plasma simulation code that simulates the entire near-Earth space at a global...
