Challenges and opportunities in verification and validation of low temperature plasma simulations and experiments

A Fierro, E Barnat, M Hopkins, C Moore… - The European Physical …, 2021 - Springer
This paper describes the verification and validation (V&V) framework developed for the
stochastic Particle-in-Cell, Direct Simulation Monte Carlo code Aleph. An ideal framework for …

[HTML][HTML] Stochastic and self-consistent 3D modeling of streamer discharge trees with Kinetic Monte Carlo

R Marskar - Journal of Computational Physics, 2024 - Elsevier
This paper contains the foundation for a new Particle-In-Cell model for gas discharges,
based on Îto diffusion and Kinetic Monte Carlo (KMC). In the new model the electrons are …

Non-equilibrium kinetics of the ground and excited states in N2–O2 under nanosecond discharge conditions: extended scheme and comparison with available …

M Šimek, Z Bonaventura - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
A numerical 0D kinetic model is developed here to simulate the detailed kinetics of the
ground and excited electronic states of atmospheric gases occurring under streamer …

Radiation transport in kinetic simulations and the influence of photoemission on electron current in self-sustaining discharges

A Fierro, C Moore, B Scheiner, BT Yee… - Journal of Physics D …, 2017 - iopscience.iop.org
A kinetic description for electronic excitation of helium for principal quantum number n
$\leqslant $4 has been included into a particle-in-cell (PIC) simulation utilizing direct …

Practical considerations for modeling streamer discharges in air with radiation transport

J Stephens, M Abide, A Fierro… - Plasma Sources Science …, 2018 - iopscience.iop.org
Two basic challenges limiting the simulation capabilities of the streamer discharge
community are the efficient resolution of Poisson's equation and the proper treatment of …

Three-dimensional kinetic modeling of streamer propagation in a nitrogen/helium gas mixture

A Fierro, C Moore, B Yee… - Plasma Sources Science …, 2018 - iopscience.iop.org
A fully resolved kinetic model (particle-in-cell and direct simulation Monte Carlo for
particle/photon collisions) of a near atmospheric pressure ionization wave is presented here …

Hedging direct simulation Monte Carlo bets via event splitting

G Oblapenko, D Goldstein, P Varghese… - Journal of Computational …, 2022 - Elsevier
We propose a new scheme for simulation of collisions with multiple possible outcomes in
variable-weight DSMC computations. The scheme is applied to a 0-D ionization rate …

Photoionization capable, extreme and vacuum ultraviolet emission in developing low temperature plasmas in air

J Stephens, A Fierro, S Beeson, G Laity… - Plasma Sources …, 2016 - iopscience.iop.org
Experimental observation of photoionization capable extreme ultraviolet and vacuum
ultraviolet emission from nanosecond timescale, developing low temperature plasmas (ie …

Benchmark calculations for anisotropic scattering in kinetic models for low temperature plasma

M Flynn, L Vialetto, A Fierro, A Neuber… - Journal of Physics D …, 2024 - iopscience.iop.org
Benchmark calculations are reported for anisotropic scattering in Boltzmann equation
solvers and Monte Carlo collisional models of electron swarms in gases. The work focuses …

Kinetic simulation of a low-pressure helium discharge with comparison to experimental measurements

A Fierro, E Barnat, C Moore, M Hopkins… - … Sources Science and …, 2019 - iopscience.iop.org
Modern computational validation efforts rely on comparison of known experimental
quantities such as current, voltage, particle densities, and other plasma properties with the …