Abstract
In this work, a rolling simulation system for the hot rolling of steel is elaborated. The system is capable of simulating rolling of slabs and blooms, as well as round or square billets, in different symmetric or asymmetric forms in continuous, reversing, or combined rolling. Groove geometries are user-defined and an arbitrary number of rolling stands and distances between them may be used. A slice model assumption is considered, which allows the problem to be efficiently coped with. The related large-deformation thermomechanical problem is solved by the novel meshless Local Radial Basis Function Collocation Method. A compression test is used to compare the simulation results with the Finite Element Method. A user-friendly rolling simulation application has been created for the industrial use based on C# and .NET framework. Results of the simulation, directly taken from the system, are shown for each type of the rolling mill configurations.
Highlights
The rolling of steel has always been an important research subject due to a variety of rolled products in use by humankind
A flat rolling schedule is chosen for demonstration of the simulation system and thesteel results
An important feature of the presented rolling simulation system is that it is in the fact that it is very simple, and it can be straightforwardly extended to 3D, since no geometrical developed by taking into account the needs of the rolling technologists
Summary
The rolling of steel has always been an important research subject due to a variety of rolled products in use by humankind. It requires an interdisciplinary knowledge of steel metallurgy, deformation theory, and heat transfer. There have been many empirical relations developed [1,2,3], with some still in use for making reasonable predictions of the process [4,5]. Material process modelling and simulation took place right after the development of suitable numerical methods and extensive use of the computers. The first numerical formulation of plasticity was introduced using the Finite Element Method (FEM) in
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