Journal
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
Volume 70, Issue 9, Pages 995-1008Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10407782.2016.1214498
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- Walloon Region [0716690, 1217826]
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During the friction stir welding (FSW) process, the behavior of the material is at the interface between solid mechanics and fluid mechanics. This article deals with a comparison of two 3D numerical models of FSW processes with a trigonal pin. The first model is based on a solid formulation and the second one is based on a fluid formulation. Both models use a Norton-Hoff constitutive model with the high temperature sensitivity of the parameters' value and advanced numerical techniques such as the Arbitrary Lagrangian Eulerian (ALE) formalism. It can be concluded that, basically, these two formulations lead to the same results.
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