GEMPIC: geometric electromagnetic particle-in-cell methods

M Kraus, K Kormann, PJ Morrison… - Journal of Plasma …, 2017 - cambridge.org
We present a novel framework for finite element particle-in-cell methods based on the
discretization of the underlying Hamiltonian structure of the Vlasov–Maxwell system. We …

A three-dimensional modal discontinuous Galerkin method for the second-order Boltzmann-Curtiss-based constitutive model of rarefied and microscale gas flows

S Singh, A Karchani, T Chourushi, RS Myong - Journal of Computational …, 2022 - Elsevier
A three-dimensional mixed modal discontinuous Galerkin (DG) method based on tetrahedral
meshes was developed for simulating all flow regimes from subsonic to hypersonic rarefied …

Energy-conserving discontinuous Galerkin methods for the Vlasov-Ampère system with Dougherty-Fokker-Planck collision operator

B Ye, J Hu, CW Shu, X Zhong - Journal of Computational Physics, 2024 - Elsevier
This paper develops energy-preserving discontinuous Galerkin (DG) methods for the Vlasov-
Ampère (VA) system coupled with the Dougherty-Fokker-Planck (DFP) collision operator …

An explicit modal discontinuous Galerkin method for Boltzmann transport equation under electronic nonequilibrium conditions

S Singh, M Battiato - Computers & Fluids, 2021 - Elsevier
The present paper deals with the development of a numerical scheme for the solution of two-
dimensional Boltzmann transport equation (BTE) under electronic nonequilibrium …

The collisional particle-in-cell method for the vlasov-maxwell-landau equations

R Bailo, JA Carrillo, J Hu - arxiv preprint arxiv:2401.01689, 2024 - arxiv.org
We introduce an extension of the particle-in-cell (PIC) method that captures the Landau
collisional effects in the Vlasov-Maxwell-Landau equations. The method arises from a …

[HTML][HTML] Metriplectic integrators for the Landau collision operator

M Kraus, E Hirvijoki - Physics of Plasmas, 2017 - pubs.aip.org
We present a novel framework for addressing the nonlinear Landau collision integral in
terms of finite element and other subspace projection methods. We employ the underlying …

A sparse grid discontinuous Galerkin method for high-dimensional transport equations and its application to kinetic simulations

W Guo, Y Cheng - SIAM Journal on Scientific Computing, 2016 - SIAM
In this paper, we develop a sparse grid discontinuous Galerkin (DG) scheme for transport
equations and apply it to kinetic simulations. The method uses the weak formulations of …

The multi-dimensional Hermite-discontinuous Galerkin method for the Vlasov–Maxwell equations

O Koshkarov, G Manzini, GL Delzanno… - Computer Physics …, 2021 - Elsevier
We discuss the development, analysis, implementation, and numerical assessment of a
spectral method for the numerical simulation of the three-dimensional Vlasov–Maxwell …

Highly efficient energy-conserving moment method for the multi-dimensional Vlasov-Maxwell system

T Yin, X Zhong, Y Wang - Journal of Computational Physics, 2023 - Elsevier
This paper concerns an energy-conserving numerical method to solve the multi-dimensional
Vlasov-Maxwell (VM) system based on the regularized moment method proposed in [7]. The …

Physics-based-adaptive plasma model for high-fidelity numerical simulations

A Ho, IAM Datta, U Shumlak - Frontiers in Physics, 2018 - frontiersin.org
A physics-based-adaptive plasma model and an appropriate computational algorithm are
developed to numerically simulate plasma phenomena in high fidelity. The physics-based …