The stabilisation of the flow of molten steel during the continuous ca
sting process by the alternating magnetic field is studied numerically
using the customised computational fluid dynamics package FLUENT. It
is found that this field can suppress the velocity of the molten steel
below the meniscus, which in turn can lead to suppression of the entr
apment of the mould powder at the metal surface. The electromagnetic l
evel stabiliser is found to be more effective and flexible than the el
ectromagnetic brake. The calculation described the actual phenomena wi
th good accuracy.