Magnetoconvection transient dynamics by numerical simulation Sébastien Renaudière de Vaux, Rémi Zamansky, Wladimir Bergez, Philippe Tordjeman and Jean-François Haquet Eur. Phys. J. E, 40 1 (2017) 13 Published online: 30 January 2017 DOI: 10.1140/epje/i2017-11499-2