Finite element analysis of metal flow during H-beam rolling by a universal mill

The dynamic explicit finite dement software LS-DYNA was used to numerically simulate H-beam rolling by a universal mill. The metal flow pattern in a workpiece was studied with the simulation results of node displacement in the rolling plane. It is shown that there are zero displacement lines in the workpiece in the horizontal and vertical rollers' depress direction, which indicate that there is a neutral flow plane of displacement, in company with metal inversion phenomenon at the flange's end.