Three Dimentional Finite Element Simulation of Welding of a Thick Plate Flange by Using Anand Viscoplastic Model
Common and important problems associated with the welding of large structures are induced distortion and residual stresses, both difficult to simulate accurately given the intensive computational demands of such severely nonlinear processes. In this paper, temperature distribution and variation of stresses and deformations in welding of a thick plate flange have been evaluated by using a three dimensional (3D) model. For modeling of molten puddle motion (speed of welding) in numerical model, birth and dead element method have been employed. By using 3D nonlinear-transient-heat flow finite element analysis, temperature distribution versus time, during welding and after cooling, is obtained. Then by applying these results and viscoplastic condition (Anand viscoplastic model), stress distribution during welding and residual stresses and final deformations are determined.
M. Asle Zaeem and M. R. Nami, "Three Dimentional Finite Element Simulation of Welding of a Thick Plate Flange by Using Anand Viscoplastic Model," Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (2005, Long Beach, CA), vol. 4, pp. 319-324, American Society of Mechanical Engineers, Sep 2005.
The definitive version is available at http://dx.doi.org/10.1115/DETC2005-84293
ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (2005, Sep. 24-28, Long Beach, CA)
Materials Science and Engineering
ASME Design Engineering Division
ASME Computers and Information in Engineering Division
Keywords and Phrases
Computer simulation; Finite element method; Mathematical models; Plates (structural components); Temperature distribution; Viscoplasticity; Computational demands; Nonlinear-transient-heat flow; Viscoplastic condition; Flanges
International Standard Book Number (ISBN)
Article - Conference proceedings
© 2005 American Society of Mechanical Engineers, All rights reserved.