Three-dimensional simulation of transient GMA weld pool with free surface

Welding Journal (Miami, Fla)

Volumn 83, Issue 6, 2004, Pages

  Cao, Z ^a   Yang, Z ^b   Chen, X L ^b  

^a BATTELLE MEMORIAL INSTITUTE   (United States)

^b CATERPILLAR INC   (United States)

Author keywords

Droplet; Fluid Flow; Free Surface; Gas Metal Arc Welding; Heat Transfer; Modeling; T Joint Fillet Weld; Weld Pool

Indexed keywords

DROPLETS; FREE SURFACES; MODELING; T-JOINT FILLET WELDS; WELD POOL;

BUOYANCY; COMPUTER SIMULATION; DEFORMATION; ELECTRODES; FATIGUE OF MATERIALS; FLOW OF FLUIDS; HEAT TRANSFER; MATHEMATICAL MODELS; MICROSTRUCTURE; SOLIDIFICATION; SURFACE TENSION;

GAS METAL ARC WELDING;

EID: 3042542745     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. Oper, G. M., and Szekely, J. 1984. Heat and fluid flow phenomena in weld pools. Journal of Fluid Mechanics 147:53-79.
2. Chan, C., Mazumder, J., and Chan, M. M. 1984. A two-dimensional transient model for convection in laser melted pools. Metallurgical Transactions 15A:2175-2184.
3. Kou, S., and Wang, Y. H. 1986. Computer simulation of convection in moving arc weld pools. Metallurgical Transactions 17A:2271-2277.
4. Zacharia, T., et al. 1989. Three-dimensional transient model arc welding process. Metallurgical Transactions 20B:645-659.
5. Heiple, C. R., and Roper, J. R. 1982. Mechanism for minor element effects on GTA fusion zone geometry. Welding Journal 60(8): 143-s to 145-s.
6. Thompson, M. E., and Szekely, J. 1989. The transient behavior of weld pools with a deformed free surface. International Journal of Heat & Mass Transfer 32(6): 1007-1019.
7. Choo, R. T. C., and Szekely, J. 1990. Modeling of high-current arc with emphasis on free surface phenomena in the weld pool. Welding Journal 69(9): 223-s to 233-s.
8. Tsai, M. C., and Kou, S. 1989. Marangoni convection in weld pools with a free surface. International Journal of Numerical Methods in Fluid 9:1503-1516.
9. Kim, S. D., and Na, S. J. 1992. Effect of weld pool deformation on weld penetration in stationary gas tungsten arc welding. Welding Journal 71(5):179-s to 193-s.
10. Zhang, Y. M., Cao, Z. N., and Kovacevic, R. 1995. Numerical analysis of fully penetrated weld pools in GTA welding. Proc. Instn. Mech. Engrs., Part C: Journal of Mechanical Engineering Science 210:187-195.
11. Kovacevic, R., Cao, Z. N., and Zhang, Y. M. 1996. Role of welding parameters in determining the geometrical appearance of weld pool. ASME Transactions Journal of Engineering Materials and Technology 118(10): 589-596.
12. Cao, Z. N., Zhang, Y. M., and Kovacevic, R. 1998. Numerical dynamics analysis of moving GTA weld pool. ASME Transactions Journal of Manufacturing Science and Engineering 120(2): 173-178.
13. Tsao, K. C., and Wu, C. S. 1988. Fluid flow and heat transfer in GMA weld pool. Welding Journal 67(3): 70-s to 75-s.
14. Kim, S. -D., and Na, S. -J. 1995. A study on the effect of constant tube-to-workpiece distance on weld pool shape in gas metal arc welding. Welding Journal 74(5): 141-s to 152-s.
15. Kim, S. -D., and Na, S. -J. 1994. A study on the three-dimensional analysis of heat and fluid and flow in gas metal arc welding using boundary-fitted coordinates. ASME Transactions Journal of Engineering for Industry 116(2): 78-85.
16. Davies, M. H., Wahab, M., and Painter, M. J. 2000. Investigation of the interaction of a molten droplet with a liquid weld pool surface: A computational and experimental approach Welding Journal 79(1): 18-s to 23-s.
17. Ohring, S., and Lugt, H. J. 2000. Numerical simulation of a time-dependent 3-D GMA weld pool due to a moving arc. Welding Journal 78(12): 416-s to 424-s.
18. Yang, Z., and DebRoy, T. 1999. Modeling macro- and microstructures of gas-metal-arc welded HSLA-100 steel. Metallurgical and Material Trans. 30B: 483-488.
19. Cao, Z., and Dong, P. 1998. Modeling of GMA weld pools with consideration of droplet impact. ASME Journal of Engineering Materials and Technology 120(10): 313-319.
20. Wang, Y., and Tsai, H. L. 2001. Effects of surface active elements on weld pool fluid flow and weld penetration in gas metal arc welding. Metallurgical and Material Trans. 328:501-515.
21. Tsai, N. S. and Eagar, T. W. 1985. Distribution of the heat and current fluxes in gas tungsten arcs. Metallurgical Transactions 163:841-846
22. FLOW-3D User's Manual, Excellence in Flow Modeling Software. Version 7.7. Flow Science, Inc.
23. Hirt, C. W., and Sicilian, J. M. 1985. A porosity technique for definition of obstacles in rectangular cell meshes. Proc. Fourth International Conf. Ship Hydro. Washington, D.C.: National Academy of Science.
24. Kou, S., and Le, Y. 1988. Welding parameters and grain structure of weld metal - A thermal dynamic consideration. Metall. Trans. 19A:1075-1083.