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TECHNICAL PAPERS

Study of the Effect of Boundary Conditions on Residual Stresses in Welding Using Element Birth and Element Movement Techniques

[+] Author and Article Information
Ihab F. Z. Fanous, Maher Y. A. Younan

Mechanical Engineering Department, The American University in Cairo, Egypt

Abdalla S. Wifi

Mechanical Design and Production Department, Cairo University, Egypt

J. Pressure Vessel Technol 125(4), 432-439 (Nov 04, 2003) (8 pages) doi:10.1115/1.1613952 History: Received March 20, 2003; Revised June 27, 2003; Online November 04, 2003
Copyright © 2003 by ASME
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References

Figures

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The diagram of the welding process
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General boundary conditions
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The moving heat source of Model 2
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Temperature history at the top and bottom surfaces of Models 1 and 2 for boundary conditions (a) set 1, (b) set 2, and (c) set 3
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Comparison between the heat flow in the (a) element birth technique and the (b) element movement technique
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Comparison between residual (a) σx (longitudinal stress) and (b) σy (transverse stress) of boundary conditions set 1 and (c) σx (longitudinal stress) and (d) σy (transverse stress) of boundary conditions set 2
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Comparison between the element birth and element movement techniques according to boundary conditions set 1 for (a) σx (longitudinal stress) and (b) σy (transverse stress) history at the monitoring points, (c) σx and (d) σy distribution along the mid section, (e) σx and (f ) σy distribution along the welding line, and (g) and (h) along the fusion line
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Comparison between the element birth and element movement techniques according to boundary conditions set 2 for (a) σx (longitudinal stress) and (b) σy (transverse stress) history at the monitoring points, (c) σx and (d) σy distribution along the mid section, (e) σx and (f ) σy distribution along the welding line, and (g) and (h) along the fusion line
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Comparison between the element birth and element movement techniques according to boundary conditions set 3 for (a) σx (longitudinal stress) and (b) σy (transverse stress) history at the monitoring points, (c) σx and (d) σy distribution along the mid section, (e) σx and (f ) σy distribution along the welding line, and (g) and (h) along the fusion line

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