Charged particle motion and radiation in strong electromagnetic fields

A Gonoskov, TG Blackburn, M Marklund… - Reviews of Modern …, 2022 - APS
The dynamics of charged particles in electromagnetic fields is an essential component of
understanding the most extreme environments in our Universe. In electromagnetic fields of …

Combining particle-in-cell and direct simulation Monte Carlo for the simulation of reactive plasma flows

S Fasoulas, CD Munz, M Pfeiffer, J Beyer, T Binder… - Physics of …, 2019 - pubs.aip.org
A combined approach for the simulation of reactive, neutral, partially or fully ionized plasma
flows is presented. This is realized in a code framework named “PICLas” for the approximate …

Accuracy of the explicit energy-conserving particle-in-cell method for under-resolved simulations of capacitively coupled plasma discharges

AT Powis, ID Kaganovich - Physics of Plasmas, 2024 - pubs.aip.org
The traditional explicit electrostatic momentum-conserving particle-in-cell algorithm requires
strict resolution of the electron Debye length to deliver numerical stability and accuracy. The …

Adaptive particle–cell algorithm for Fokker–Planck based rarefied gas flow simulations

M Pfeiffer, MH Gorji - Computer Physics Communications, 2017 - Elsevier
Abstract Recently, the Fokker–Planck (FP) kinetic model has been devised on the basis of
the Boltzmann equation (Jenny et al., 2010; Gorji et al., 2011). Particle Monte-Carlo …

Hedging direct simulation Monte Carlo bets via event splitting

G Oblapenko, D Goldstein, P Varghese… - Journal of Computational …, 2022 - Elsevier
We propose a new scheme for simulation of collisions with multiple possible outcomes in
variable-weight DSMC computations. The scheme is applied to a 0-D ionization rate …

Strategies for particle resampling in PIC simulations

A Muraviev, A Bashinov, E Efimenko, V Volokitin… - Computer Physics …, 2021 - Elsevier
In particle-in-cell simulations, excessive or even unfeasible computational demands can be
caused by the growth of the number of particles in the course of prolific ionization or …

Improving computational efficiency in DSMC simulations of vacuum gas dynamics with a fixed number of particles per cell

M Sabouri, R Zakeri, A Ebrahimi - Physica Scripta, 2024 - iopscience.iop.org
The present study addresses the challenge of enhancing computational efficiency without
compromising accuracy in numerical simulations of vacuum gas dynamics using the direct …

Moment preserving constrained resampling with applications to particle-in-cell methods

D Faghihi, V Carey, C Michoski, R Hager… - Journal of …, 2020 - Elsevier
Abstract The Moment Preserving Constrained Resampling (MPCR) algorithm for particle
resampling is introduced and applied to particle-in-cell (PIC) methods to increase simulation …

A dynamical particle merging and splitting algorithm for Particle-In-Cell simulations

Q Dong, B Wang, X Duan, L Yan, K Liu, W Luo… - Computer Physics …, 2024 - Elsevier
Abstract In Particle-In-Cell simulation, macro-particles represent clusters of numerous
physical particles. Rational merging or splitting of these macro-particle clusters can …

Coupling kinetic and continuum using data-driven maximum entropy distribution

M Sadr, Q Wang, MH Gorji - Journal of Computational Physics, 2021 - Elsevier
An important class of multi-scale flow scenarios deals with an interplay between kinetic and
continuum phenomena. While hybrid solvers provide a natural way to cope with these …