An Implicit Algorithm Based on Continuous Moving Least Square to Simulate Material Mixing in Friction Stir Welding Process | Zendy

Abdelaziz Timesli | Zendy; Bouazza Braikat | Zendy; Hassane Lahmam | Zendy; Hamid Zahrouni | Zendy

Open Access

An Implicit Algorithm Based on Continuous Moving Least Square to Simulate Material Mixing in Friction Stir Welding Process

Author(s) -

Abdelaziz Timesli,

Bouazza Braikat,

Hassane Lahmam,

Hamid Zahrouni

Publication year - 2013

Publication title -

modelling and simulation in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 20

eISSN - 1687-5591

pISSN - 1687-5605

DOI - 10.1155/2013/716383

Subject(s) - friction stir welding , mixing (physics) , algorithm , welding , process (computing) , limit (mathematics) , square (algebra) , computer science , materials science , mechanical engineering , mechanics , mathematical optimization , mathematics , engineering , mathematical analysis , geometry , physics , quantum mechanics , operating system

An implicit iterative algorithm, based on the continuous moving least square (CMLS), is developed to simulate material mixing in Friction Stir Welding (FSW) process. Strong formulation is chosen for the modeling of the mechanical problem in Lagrangian framework to avoid the drawback of numerical integration. This algorithm is well adapted to large deformations in the mixing zone in the neighborhood of the welding tool. We limit ourselves to bidimensional viscoplastic problem to show the performance of the proposed implicit algorithm. Theresults show that the proposed algorithm can be employed to simulate FSW

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