Speaker
Description
Explicit particle-in-cell (PIC) codes are widely used to study the physics of plasma ion sources. However, in higher-dimensional simulations of high-density, low-temperature plasmas, computational cost becomes a major limitation due to the need to resolve the Debye length and plasma frequency timescales. Fully implicit, energy-and-charge-conserving PIC schemes offer the advantage of relaxing these spatial and temporal resolution requirements, as well as reducing the required number of particles per cell, thereby decreasing simulation runtime. However, relaxing these constraints can also affect simulation accuracy. This talk presents a review of comparative studies between explicit and implicit PIC methods in one dimension, focusing on how changes in spatial resolution and particles per cell impact the accuracy of implicit simulations, and what these tradeoffs imply for the practical use of implicit schemes in accelerating plasma simulations.
| Email address | nicolas@d-pace.com |
|---|---|
| Classification | Numerical simulations of sources, beams, space-charge, ion-optics |