Friction Stir Welding; Material Flow; Particle tracing; BES; BFECC; RK4
Abstract :
[en] This work deals with the modeling of the material flow in Friction Stir Welding (FSW) processes using particle tracing method. For the computation of particle trajectories, three accurate and computationally efficient integration methods are implemented within a FE model for FSW process: the Backward Euler with Sub-stepping (BES), the 4-th order Runge-Kutta (RK4) and the Back and Forth Error Compensation and Correction (BFECC) methods. Firstly, their performance is compared by solving the Zalesak’s disk benchmark. Later, the developed methodology is applied to some FSW problems providing a quantitative 2D and 3D view of the material transport in the process area. The material flow pattern is compared to the experimental evidence.
Disciplines :
Mechanical engineering
Author, co-author :
Dialami, Narges; Technical University of catalonia
Chiumenti, Michele; Technical University of Catalonia
Cervera, Miguel; technical University of catalonia
Agelet de Saracibar, Carlos; Technical University of catalonia
Ponthot, Jean-Philippe ; Université de Liège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Language :
English
Title :
Material Flow Visualization Friction Stir Welding via Particle Tracing
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