A coupled nested-grid MHD framework with AMR to 700 km resolution and Boris correction for strong fields enables end-to-end simulation of CME emergence, eruption, and heliospheric propagation from realistic active-region scales.
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Data-driven MURaM simulations of emerging active region 11640 reproduce key EUV features and find volumetric coronal heating proportional to B squared along with ubiquitous MHD waves.
TMF simulation of AR 12975 reproduces filament channel formation and energy/helicity injection but shows eruption helicity ratio of 0.23 and torus instability at 0.32 due to complex field configuration.
3D MHD simulation of successive flux-rope eruptions shows reconnection flux accumulating linearly with CME velocity, consistent with HMI/AIA observations of one event.
citing papers explorer
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Modeling of Coronal Mass Ejection Originated from a Sheared Arcade of Realistic Active-Region Scale and Its Propagation in the Heliosphere: Methodology
A coupled nested-grid MHD framework with AMR to 700 km resolution and Boris correction for strong fields enables end-to-end simulation of CME emergence, eruption, and heliospheric propagation from realistic active-region scales.
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Data-driven Radiative Magnetohydrodynamics Simulations with the MURaM Code: Coronal Heating and Dynamics in an Emerging Active Region
Data-driven MURaM simulations of emerging active region 11640 reproduce key EUV features and find volumetric coronal heating proportional to B squared along with ubiquitous MHD waves.
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Formation and Eruption of Filament Channel in Solar Active Region 12975: Insights from Observations and Simulations of Magnetic Field Evolution
TMF simulation of AR 12975 reproduces filament channel formation and energy/helicity injection but shows eruption helicity ratio of 0.23 and torus instability at 0.32 due to complex field configuration.
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Evolution of reconnection flux during eruption of magnetic flux ropes
3D MHD simulation of successive flux-rope eruptions shows reconnection flux accumulating linearly with CME velocity, consistent with HMI/AIA observations of one event.