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YU Xingzhe, ZHAO Haiyan, LU Li, LIN Jean. Analysis on calculation accuracy and efficiency of multi-pass butt weld of pipe[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (7): 39-42.
Citation: YU Xingzhe, ZHAO Haiyan, LU Li, LIN Jean. Analysis on calculation accuracy and efficiency of multi-pass butt weld of pipe[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (7): 39-42.
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Analysis on calculation accuracy and efficiency of multi-pass butt weld of pipe

  • 1.

    Department of Mechanical Engineering, Tsinghua University & Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Ministry of Education, Beijing 100084, China

  • 2.

    Beijing University of Technology, Beijing 100124, China

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  • Received Date: March 28, 2009
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    • Abstract
  • The influence of segments heat source and mesh size on calculation accuracy and efficiency of 3-D EFA of multi-pass butt-welded pipe were investigated.The methods can meet the demand of calculation accuracy and high efficiency of 3D finite element simulation of large pipes.The results show that the mesh size below or equals to 3.3mm can meet the accuracy requirement,the segment heat source,which has little efficiencies on calculation accuracy,can improve the calculations efficiency greatly.
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