Model order reduction of electromagnetic particle-in-cell kinetic plasma simulations via proper orthogonal decomposition

JL Nicolini, DY Na, FL Teixeira - IEEE Transactions on Plasma …, 2019 - ieeexplore.ieee.org
The proper orthogonal decomposition technique is applied to a finite-element time-domain
particle-in-cell (PIC) algorithm for the simulation of kinetic plasmas, resulting in a reduced …

An unstructured body-of-revolution electromagnetic particle-in-cell algorithm with radial perfectly matched layers and dual polarizations

DY Na, FL Teixeira, YA Omelchenko - Computer Physics Communications, 2024 - Elsevier
A novel electromagnetic particle-in-cell algorithm has been developed for fully kinetic
plasma simulations on unstructured (irregular) meshes in complex body-of-revolution …

Koopman Autoencoders for Reduced‐Order Modeling of Kinetic Plasmas

I Nayak, M Kumar, FL Teixeira - Advances in Electromagnetics …, 2023 - Wiley Online Library
Electromagnetic particle‐in‐cell (EMPIC) algorithms have been a popular choice for
simulating kinetic plasmas due to their ability to accurately capture complex transient …

Dynamic mode decomposition for prediction of kinetic plasma behavior

I Nayak, FL Teixeira - 2020 International Applied …, 2020 - ieeexplore.ieee.org
We present a reduced-order model based on the dynamic mode decomposition (DMD) for
capturing the essential dynamics of kinetic plasma simulation. We apply the proposed …

Quasi-Helmholtz decomposition, Gauss' laws and charge conservation for finite element particle-in-cell

S O'Connor, ZD Crawford, OH Ramachandran… - Computer Physics …, 2022 - Elsevier
Abstract Development of particle-in-cell (PIC) methods using finite element based methods
(FEMs) have been a topic of renewed interest; this has largely been driven by (a) the ability …

Electronic–electromagnetic multiphysics modeling for terahertz plasmonics: A review

S Bhardwaj - IEEE Journal on Multiscale and Multiphysics …, 2019 - ieeexplore.ieee.org
In this article, we review numerical and analytical methods of electronic-electromagnetic
multiphysics modeling for terahertz plasmonic applications. Approaches within semiclassical …

Koopman autoencoder architecture for current density modeling in kinetic plasma simulations

I Nayak, FL Teixeira, M Kumar - 2021 International Applied …, 2021 - ieeexplore.ieee.org
We present a reduced-order model (ROM) based on Koopman autoencoder architecture for
prediction of current density in kinetic plasma simulations. We apply the proposed method to …

JefiPIC: A 3-D Full Electromagnetic Particle-in-Cell Simulator Based on Jefimenko's Equations on GPU

J Chen, JJ Zhang, X Li, HL Qiao, Y Zhao - arxiv preprint arxiv:2209.07944, 2022 - arxiv.org
This paper presents a novel 3-D full electromagnetic particle-in-cell (PIC) code called
JefiPIC, which uses Jefimenko's equations as the electromagnetic (EM) field solver through …

Diagnosing numerical Cherenkov instabilities in relativistic plasma simulations based on general meshes

DY Na, JL Nicolini, R Lee, BHV Borges… - Journal of …, 2020 - Elsevier
Numerical Cherenkov radiation (NCR) or instability is a detrimental effect frequently found in
electromagnetic particle-in-cell (EM-PIC) simulations involving relativistic plasma beams …

Reduced-order modeling of advection-dominated kinetic plasma problems by shifted proper orthogonal decomposition

JL Nicolini, FL Teixeira - IEEE Transactions on Plasma Science, 2021 - ieeexplore.ieee.org
Model-order reduction is an important tool in the computational exploration of complex
physical phenomena, such as kinetic plasmas. A popular strategy to achieve model …