Title First steps towards parametric modeling of FSW processes by using advanced separated representations: Numerical techniques
Authors CANALES AGUILERA, DIEGO, Cueto, Elias , Feulvarch, Eric , Chinesta, Francisco
External publication Si
Means Key Engineering Materials
Scope Proceedings Paper
Nature Científica
JCR Quartile 3
SJR Quartile 3
SJR Impact 0.21
Publication date 01/01/2014
ISI 000347481000066
DOI 10.4028/www.scientific.net/KEM.611-612.513
Abstract Friction Stir Welding (FSW) is a welding technique more and more demanded in industry by its multiple advantages. Despite its wide use, its physical foundations and the effect of the process parameters have not been fully elucidated. Numerical simulations are a powerful tool to achieve a greater understanding in the physics of the problem. Although several approaches can be found in the literature for simulating FSW, all of them present different limitations that restrict their applicability in industrial applications. This paper presents a new solution strategy that combines a robust approximation method, based on natural neighborhood interpolation, with a solution separated representation making use of the Proper Generalized Decomposition (PGD), for creating a new 3D updated-Lagrangian strategy for addressing the 3D model while keeping a 2D computational complexity
Keywords FSW; Separated representation; PGD; NEM; Sibson interpolation
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