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

[+] Author Affiliations
Ihab F. Z. Fanous, Maher Y. A. Younan

American University in Cairo, Egypt

Abdalla S. Wifi

Cairo University, Egypt

Paper No. PVP2002-1323, pp. 165-172; 8 pages
doi:10.1115/PVP2002-1323
From:
  • ASME 2002 Pressure Vessels and Piping Conference
  • Fitness for Service Evaluations and Non-Linear Analysis
  • Vancouver, BC, Canada, August 5–9, 2002
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4653-9
  • Copyright © 2002 by ASME

abstract

The modeling and simulation of the welding process has been of main concern for different fields of applications. Most of the modeling of such a problem has been mainly in 2D forms that may also include many sorts of approximation and assumptions. This is due to limitations in the computational facilities as the analysis of 3D problems consumes a lot of time. With the evolution of new finite element tools and fast computer systems, the analysis of such problems is becoming in hand. In this research, a simulation of the welding process with and without metal deposition is developed. Change of phase and variation of properties with temperature are taken into account. A new technique for metal deposition using element movement is introduced. It helps in performing full 3D analysis in a shorter time than other previously developed techniques such as the element birth.

Copyright © 2002 by ASME

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