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Spiral-driven accretion in protoplanetary discs - III tri-dimensional simulations
Patrick Hennebelle, Geoffroy Lesur, Sébastien Fromang
Understanding how accretion proceeds in proto-planetary discs and more generally their dynamics is a crucial issue for explaining the conditions in which planets form. The role tha…
Spiral-driven accretion in protoplanetary discs - II Self-similar solutions
Patrick Hennebelle, Geoffroy Lesur, Sébastien Fromang
Accretion discs are ubiquitous in the universe and it is a crucial issue to understand how angular momentum and mass are being radially transported in these objects. Here, we study…
Direct numerical simulations of the galactic dynamo in the kinematic growing phase
Christophe Gissinger, Sebastien Fromang, Emmanuel Dormy
We present kinematic simulations of a galactic dynamo model based on the large scale differential rotation and the small scale helical fluctuations due to supernova explosions. We…