Development And Simulation Of A Visual Simulation And Analysis System For Metal Strip Rolling Process

The steel industry is vital to our nation,not only as a pillar for achieving industrialisation,but also as an industry that I s highly dependent on technology,capital,resources and energy.Finite element analysis techniques have an important role to play in accelerating the process of fostering the development of the steel industry,and most steel design and manufacturing companies need to rely on finite elements to design their products.Especially in the field of sheet and strip rolling,the application of FEA techniques is becoming more and more common.In this thesis,a visual intelligent simulation and analysis system for the sheet and strip rolling process has been developed by combining the ABAQUS finite element analysis software with the object-oriented programming language Visual C++.By entering the rolling-related parameters on the various interfaces of the system,all operations such as modelling of the strip and rolls for preprocessing,changing the amount of depression,meshing of the strip,assigning properties to the strip and rolls,self-running of the submitted job and automatic extraction of data information for post-processing are automatically realised.The efficiency and accuracy of strip rolling is greatly improved by this system.The main research elements of this paper are as follows:(1)ABAQUS software was used to build finite element models for four-roll and six-roll plate rolling respectively.The script files generated from the modelling process were parametrized with Python Reader and Notepad++software as a basis for secondary development.(2)The interaction between VC and python and the interfacing technology between VC and ABAQUS were investigated,and the secondary development of ABAQUS using python and C++ was carried out and a graphical user interface was created.The MFC desktop application in VS and the ABAQUS finite element analysis software were used to develop a visual intelligent simulation and analysis system for the metal strip rolling process.(3)The system is used to simulate and analyse the strip rolling process with different process parameters,to study the effect of different plate widths on the strip cross-sectional shape and rolling pressure in the four-roller simulation,and the effect of different plate thicknesses and different pressing rates on the residual stresses in the strip in the six-roller simulation.The results of the analysis are compared with the experimental and simulation results in the relevant literature to demonstrate the correctness and validity of the system.