Transactions of Materials and Heat Treatment

Title：Analysis on different finite element software solutions and influencing factors in cylinder compression process

Authors： Bao Li1 2 Wang Lian′gang2 Mei Ruibin1 2 Wang Kai2 Pang Hongxuan3

Unit： 1. State Key Laboratory of Rolling and Automation Northeastern University 2. School of Resources and Materials Northeastern University at Qinhuangdao 3. Technical Department of Hebei Puyang Iron and Steel Co. Ltd.

KeyWords： cylinder isothermal compression equivalent plastic strain principle stress method FE softwares meshing

ClassificationCode：

year,vol(issue):pagenumber：2022,47(3):227-236

Abstract：

The mechanical characteristics and deformation laws of Fe-6.5%Si steel cylinder during isothermal compression process were solved by FE softwares including ANSYS, MARC, ABAQUS, DEFORM and principal stress method. The results show that the calculation speed of DEFORM is faster, while that of ANSYS is slower. The compressive deformation of cylinder solved by softwares is significantly divided into difficult deformation area, free deformation area and easy deformation area, the maximum equivalent plastic strain value in the center of the easy deformation area is about 1.4, the equivalent plastic strain value in the center of the difficult deformation area is the smallest, and the deformation area is basically in three-dimensional compressive stress state. Moreover, the compressive direction stresses on the contact surface solved by four kinds of different FE softwares are similar in the difficult deformation area and slightly different in the lateral flattening area. The relative error of load calculation result is less than 3%, the average error compared with measured value is less than 10%, and the calculation accuracy is relatively high. However, the error of compressive stress solved by principal stress method is larger, and the obtained load is slightly larger than the software predicted value by 10%. Thus, the meshing method and parameters setting have an important influence on the calculation results, and the parameters setting should be adjusted in combination with the experimental results to improve the accuracy and reliability of the solution.

Funds：

河北省自然科学基金钢铁联合基金项目(E2018501016);河北省教育厅精品课程建设项目(2020JPKC061); 东北大学秦皇岛分校教改重点项目(2021JG-A03)

包立（1979-），女，博士，高级实验师 E-mail：baoli1979@126.com 通信作者：梅瑞斌（1979-），男，博士，副教授 E-mail：meiruibin@neuq.edu.cn

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