吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (4): 946-952.doi: 10.13229/j.cnki.jdxbgxb201404008

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Numerical simulation of 3D temperature field in hot forming of high strength steel

SHI Dong-yong1, 2, YING Liang3, HU Ping1, 3, SHEN Guo-zhe3, WU Wen-hua2, JIANG Da-xin3   

  1. 1.State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;
    2.Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China;
    3.School of Automotive Engineering, Dalian University of Technology, Dalian 116024, China
  • Received:2013-04-12 Online:2014-07-01 Published:2014-07-01

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Abstract: Based on the finite element theory for 3D temperature field, a temperature field analysis module, King Mesh Analysis System_Hot Forming (KMAS_HF), was developed. In this module the blank and tools were modeled by shell and 3D tetrahedral elements respectively. During the numerical simulation, the boundary conditions of the sheet metal and water-cooled tools in practical hot forming process were considered; the transformation latent heat release of the blank was introduced into the analysis of the temperature field. The hot forming process of a typical U-shaped part simulated using KMAS_HF was compared with experiment. The numerical simulation result is in good agreement with the experimental result, which confirms that this module can accurately predict the temperature distribution in hot forming process.

Key words: vehicle engineering, high strength steel, hot forming, temperature field, numerical simulation

CLC Number: 

  • U41
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