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TECHNICAL PAPERS

3-D Finite Element Modeling of the Welding Process Using Element Birth and Element Movement Techniques

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

Mechanical Engineering Department, American University in Cairo, Cairo, Egypt

Abdalla S. Wifi

Mechanical Design and Production Department, Cairo University, Cairo, Egypt

J. Pressure Vessel Technol 125(2), 144-150 (May 05, 2003) (7 pages) doi:10.1115/1.1564070 History: Received April 26, 2002; Revised February 05, 2003; Online May 05, 2003
Copyright © 2003 by ASME
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References

Figures

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The diagram of the welding process of case 1
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General boundary conditions
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The moving heat source of Model 1
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Zones of heat load and heat loss
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The moving heat source of Model 2
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General boundary conditions
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(a) The effective area, and (b) thermal conductivity versus the gap clearance of the gap elements
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The steps of the element movement technique
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The moving heat source of Model 3
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Zones of heat load and heat loss
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Stress distribution along the midsection
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Temperature history at the top and bottom surfaces of Models 2 and 3
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Comparison between the element birth and element movement techniques for (a) σx (longitudinal stress) and (b) σy (transverse stress) history at the monitoring points, (c) σx and (d) σy distribution along the midsection, (e) σx and (f ) σy distribution along the welding line, and (g) and (h) along the fusion line

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