Friction Stir Welding; Finite Element Method; Arbitrary Lagrangian Eulerian
Abstract :
[en] Friction Stir Welding (FSW) process is a relatively recent welding process (patented in 1991). FSW is a solid-state joining process during which materials to be joined are not melted. During the FSW process, the behavior of the material is at the interface between solid mechanics and fluid mechanics. In this paper, a 3D numerical model of the FSW process with a non-cylindrical tool based on a solid formulation is compared to another one based on a fluid formulation. Both models use advanced numerical techniques such as the Arbitrary Lagrangian Eulerian (ALE) formulation, remeshing or the Orthogonal Sub-Grid Scale method (OSS). It is shown that these two formulations essentially deliver the same results.
Disciplines :
Materials science & engineering
Author, co-author :
Bussetta, Philippe; Université de Liège - ULiège
Dialami; UPC Barcelona
Chiumenti, Michele; UPC Barcelona
Agelet de Saracibar, Carlos; UPC Barcelona
Cervera, Miguel; UPC Barcelona
Boman, Romain ; Université de Liège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Ponthot, Jean-Philippe ; Université de Liège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Language :
English
Title :
3D numerical models using a fluid or a solid formulation of FSW processes with non-cylindrical pin
Publication date :
November 2015
Journal title :
Advanced Modeling and Simulation in Engineering Sciences
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