Interaction and multiscale mechanics

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The Application of welding numerical simulation on two typical welded structures in railway vehicles

  • Ya-na, Li (Traffic and Transportation School, Dalian Jiao tong University) ;
  • Cheng-tao, Li (Traffic and Transportation School, Dalian Jiao tong University) ;
  • Bin, Yuan (Transportation Equipments and Ocean Engineering College, Dalian Maritime University) ;
  • Su-ming, Xie (Traffic and Transportation School, Dalian Jiao tong University)
  • Received : 2011.08.22
  • Accepted : 2012.04.23
  • Published : 2012.06.25
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Abstract

The thin-plate structure and the box-beam structure are two typical welded structures in railway vehicles. Because of their structure complexity, bigger size and multi-seams, welding residual distortion which occur in welding process bring unfavorable effect on the quality of welding products manufacturing and service. As a result, welding distortion forecasting and control become an important and urgent research topic in railway vehicles. In this paper, three different numerical methods are presented corresponding to three typical types of welded structures of railway vehicles and welding deformation are simulated. Consistence of numerical results and experimental data proves the correctness of models and feasibility of simulation methods.

Keywords

References

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