A $\delta f$ PIC method with Forward-Backward Lagrangian reconstructions
Computational Physics
2023-03-22 v2 Numerical Analysis
Numerical Analysis
Abstract
In this work we describe a particle simulation method where the bulk density is periodically remapped on a coarse spline grid using a Forward-Backward Lagrangian (FBL) approach. This method is designed to handle plasma regimes where the densities strongly deviate from their initial state and may evolve into general profiles. We describe the method in the case of an electrostatic particle-in-cell scheme and validate its qualitative properties using a classical two-stream instability subject to a uniform oscillating drive.
Cite
@article{arxiv.2210.03726,
title = {A $\delta f$ PIC method with Forward-Backward Lagrangian reconstructions},
author = {Martin Campos Pinto and Merlin Pelz and Pierre-Henri Tournier},
journal= {arXiv preprint arXiv:2210.03726},
year = {2023}
}