Applied Mathematics Seminars: Modelling the Sun's Small-Scale Magnetic Field
9 December 2016 14:00 in CM219
The Sun's magnetic field evolves in a complex and dynamic manner across a wide range of scales. I will present a model for the evolution of the surface (photospheric) magnetic field at the smallest observable scales, where the motion of magnetic features is governed by the Sun's convective flows. Model parameters are constrained where possible by observational results; and the model successfully reproduces many observed features, such as the formation of a magnetic network and the observed magnetic flux distribution. I will then discuss current work on extending this small-scale model across the full solar surface, so that it may be incorporated into a global evolution model across all observed scales.
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This seminar series is the continuation of the Numerical Analysis Seminar series that ran until August 2016. This change of name reflects the broader interests of the Applied Mathematics group (note that the Mathematical and Theoretical Particle Physics group also has a seminar series).