Data-driven modeling of solar coronal magnetic field evolution and eruptions

C Jiang, X Feng, Y Guo, Q Hu - The Innovation, 2022 - cell.com
Magnetic fields play a fundamental role in the structure and dynamics of the solar corona. As
they are driven by their footpoint motions on the solar surface, which transport energy from …

[HTML][HTML] Prediction of solar energetic events impacting space weather conditions

MK Georgoulis, SL Yardley, JA Guerra… - Advances in Space …, 2024 - Elsevier
Aiming to assess the progress and current challenges on the formidable problem of the
prediction of solar energetic events since the COSPAR/International Living With a Star …

The automatic identification and tracking of coronal flux ropes-i. footpoints and fluxes

A Wagner, EKJ Kilpua, R Sarkar, DJ Price… - Astronomy & …, 2023 - aanda.org
Context. Investigating the early-stage evolution of an erupting flux rope from the Sun is
important for understanding the mechanisms of how it loses its stability and its space …

Effects of optimisation parameters on data-driven magnetofrictional modelling of active regions

A Kumari, DJ Price, F Daei, J Pomoell… - Astronomy & …, 2023 - aanda.org
Context. The solar magnetic field plays an essential role in the formation, evolution, and
dynamics of large-scale eruptive structures in the corona. The estimation of the coronal …

Simulating the Photospheric to Coronal Plasma Using Magnetohydrodynamic Characteristics. I. Data-driven Boundary Conditions

LA Tarr, ND Kee, MG Linton, PW Schuck… - The Astrophysical …, 2024 - iopscience.iop.org
We develop a general description of how information propagates through a
magnetohydrodynamic (MHD) system based on the method of characteristics and use that to …

Active region chromospheric magnetic fields-Observational inference versus magnetohydrostatic modelling

GJM Vissers, S Danilovic, X Zhu, J Leenaarts… - Astronomy & …, 2022 - aanda.org
Context. A proper estimate of the chromospheric magnetic fields is thought to improve
modelling of both active region and coronal mass ejection evolution. However, because the …

The automatic identification and tracking of coronal flux ropes-II. New mathematical morphology-based flux rope extraction method and deflection analysis

A Wagner, S Bourgeois, EKJ Kilpua, R Sarkar… - Astronomy & …, 2024 - aanda.org
Context. Constructing the relevant magnetic field lines from active region modelling data is
crucial to understanding the underlying instability mechanisms that trigger the …

Estimating the magnetic structure of an erupting CME flux rope from AR12158 using data-driven modeling

EKJ Kilpua, J Pomoell, D Price, R Sarkar… - Frontiers in Astronomy …, 2021 - frontiersin.org
We investigate here the magnetic properties of a large-scale magnetic flux rope related to a
coronal mass ejection (CME) that erupted from the Sun on September 12, 2014 and …

Data-driven Radiative Magnetohydrodynamics Simulations with the MURaM Code

F Chen, MCM Cheung, M Rempel… - The Astrophysical …, 2023 - iopscience.iop.org
We present a method of conducting data-driven simulations of solar active regions and flux
emergence with the MURaM radiative magnetohydrodynamics (MHD) code. The horizontal …

An evolution and eruption of the coronal magnetic field through a data-driven MHD simulation

S Inoue, K Hayashi, T Miyoshi - The Astrophysical Journal, 2023 - iopscience.iop.org
We present a newly developed data-driven magnetohydrodynamics (MHD) simulation code
under a zero-β approximation based on a method proposed by Hayashi et al. 2018 and …