[HTML][HTML] Stochastic Galerkin particle methods for kinetic equations of plasmas with uncertainties

A Medaglia, L Pareschi, M Zanella - Journal of Computational Physics, 2023 - Elsevier
The study of uncertainty propagation is of fundamental importance in plasma physics
simulations. To this end, in the present work we propose a novel stochastic Galerkin (sG) …

An optimization method for chaotic turbulent flow

SW Chung, JB Freund - Journal of Computational Physics, 2022 - Elsevier
Evidence indicates that quantities-of-interest in some turbulent flows can be controlled
despite the overall chaotic dynamics. It is typically thought that this is via relatively …

[HTML][HTML] Particle simulation methods for the Landau-Fokker-Planck equation with uncertain data

A Medaglia, L Pareschi, M Zanella - Journal of Computational Physics, 2024 - Elsevier
The design of particle simulation methods for collisional plasma physics has always
represented a challenge due to the unbounded total collisional cross section, which …

[PDF][PDF] Application of particle swarm optimization with ANFIS model for double scroll chaotic system

WA Wali - International Journal of Electrical and Computer …, 2021 - core.ac.uk
The predictions for the original chaos patterns can be used to correct the distorted chaos
pattern which has changed due to any changes whether from undesired disturbance or …

Regular sensitivity calculation and gradient-based optimization of chaotic dynamical systems

SW Chung - 2021 - ideals.illinois.edu
A gradient of a quantity-of-interest J with respect to problem parameters can augment the
utility of a predictive simulation. By itself, the gradient provides sensitivity information to …

Development of reduced-order models of the ion impact distribution function in magnetized plasma sheaths

MAJM Mustafa - 2023 - ideals.illinois.edu
In magnetic-confinement fusion devices, high-fidelity models of the energy-angle distribution
of the ions impacting on material walls are crucial for characterizing ion-surface interactions …