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LI Wenhang, HU Ting, LIU Chuan, WANG Jiayou, WANG Miao. Rotating arc narrow gap welding numerical simulation of temperature field and side wall penetration[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(8): 5-8.
Citation: LI Wenhang, HU Ting, LIU Chuan, WANG Jiayou, WANG Miao. Rotating arc narrow gap welding numerical simulation of temperature field and side wall penetration[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(8): 5-8.
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Rotating arc narrow gap welding numerical simulation of temperature field and side wall penetration

  • 1.

    School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China

  • 2.

    Nanjing Pride Technology Co., Ltd., Nanjing 211106, China

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  • Received Date: April 24, 2014
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    • Abstract
  • To meet the reserach demand of weld formation in narrow gap MAG welding, the welding temperature field was numerically simulated by Ansys to study the affecting factors. Considering the characteristics of this welding method, rotating load of the heat source model was realized and three-dimensional temperature field numerical calculation was obtained. The numerical simulation results of weld shape and the experimental results of actual welding were in good agreement. In order to further improve the computational efficiency, a similar saddle ring equivalent heat source was proposed according to heat equivalent and characteristic of heat source distribution. The simulation results of sidewall penetration agreed well with the practical measurement, and the calculation speed was greatly improved. The results were helpful for the further research on penetration control and welding deformation.
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    • References (7)
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