Modelling of twin-roll strip casting processes

In this work, a twin-roll strip casting industrial process is analysed using a fixed-mesh finite element formulation able to deal with unsteady incompressible thermally coupled flows including phase-change and non-Newtonian effects assumed to account for the flow behaviour during the whole cooling conditions. The weak form of the full Navier-Stokes equations is obtained using a generalized streamline operator in order to stabilize its numerical response while a temperature-based algorithm is applied to describe the latent heat release. This proposed methodology is tested in a two-dimensional analysis of a twin-roll casting problem where an evaluation of different thermal and flow patterns is performed. Copyright (C) 2003 John Wiley Sons, Ltd.