Three‐dimensional immersed finite‐element method for anisotropic magnetostatic/electrostatic interface problems with nonhomogeneous flux jump

C Lu, Z Yang, J Bai, Y Cao, X He - International Journal for …, 2020 - Wiley Online Library
Anisotropic diffusion is important to many different types of common materials and media.
Based on structured Cartesian meshes, we develop a three‐dimensional (3D) …

A fully decoupled iterative method with three-dimensional anisotropic immersed finite elements for Kaufman-type discharge problems

C Lu, J Wan, Y Cao, X He - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
In order to simulate the Kaufman-type discharge problems, a fully decoupled iterative
method with anisotropic immersed finite elements on Cartesian meshes is proposed …

[HTML][HTML] Modeling and an immersed finite element method for an interface wave equation

J Bai, Y Cao, X He, H Liu, X Yang - Computers & Mathematics with …, 2018 - Elsevier
The electromagnetic field, which is governed by Maxwell's equation, plays a key role in
plasma simulation. In this article, we first derive the interface conditions when we rewrite the …

PIFE-PIC: Parallel immersed finite element particle-in-cell for 3-D kinetic simulations of plasma-material interactions

D Han, X He, D Lund, X Zhang - SIAM Journal on Scientific Computing, 2021 - SIAM
This paper presents a recently developed particle simulation code package PIFE-PIC, which
is a novel three-dimensional (3-D) parallel immersed finite element (IFE) particle-in-cell …

An implicit particle-in-cell model based on anisotropic immersed-finite-element method

J Bai, Y Cao, X He, E Peng - Computer Physics Communications, 2021 - Elsevier
This paper develops a two-dimensional implicit particle-in-cell model, which considers
algorithms without and with magnetic field, based on the anisotropic immersed-finite …

An immersed selective discontinuous Galerkin method in particle-in-cell simulation with adaptive Cartesian mesh and polynomial preserving recovery

S Wu, J Bai, X He, R Zhao, Y Cao - Journal of Computational Physics, 2024 - Elsevier
In this paper, a selective discontinuous Galerkin (SDG) method and a polynomial preserving
recovery (PPR) method are developed and integrated with the immersed-finite-element …

[PDF][PDF] CFIRM: AN INTEGRATED CODE PACKAGE FOR THE LOW-TEMPERATURE PLASMA SIMULATION ON STRUCTURED GRIDS.

J Bai, H Liu, X He, W Jiang, Y Cao - International Journal Of …, 2024 - doc.global-sci.org
This paper presents a recently developed full kinetic particle simulation code package,
which is a two-dimensional highly integrated and universal framework for low-temperature …

Kinetic simulations of dust grain charging in experimental plasma conditions

D Lund, NA Gatsonis, D Han - Icarus, 2024 - Elsevier
This paper presents fully-kinetic numerical investigations of the charging of spherical and
irregular dust grains in the OML sheath regime and a stationary experimental plasma …

Charging of irregularly-shaped dust grains near surfaces in space

D Lund, X He, D Han - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2616. vid This paper presents fully-
kinetic numerical investigation of the charging of dust grains in low temperature collisionless …

Weak scaling of the parallel immersed-finite-element particle-in-cell (PIFE-PIC) framework with lunar plasma charging simulations

D Lund, X He, X Zhang, D Han - Computational Particle Mechanics, 2022 - Springer
Weak scaling performance of a recently developed fully kinetic, 3-D parallel immersed-finite-
element particle-in-cell framework, namely PIFE-PIC, was investigated. A nominal 1-D …