Parallel Computing of Thermo-Fluid Modeling Related to the FSW Process

This paper is devoted to the numerical computation of a steady-state thermo-fluid modeling related to the Friction Stir Welding Process in a two-dimensional cylindrical geometry. It analyzes the efficiency of the implementation on parallel architectures of two finite-difference schemes on a structur...

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Bibliographic Details
Published in:Key engineering materials 2023-11, Vol.966, p.109-114
Main Authors: Desrayaud, Christophe, Montheillet, Frank, Aoufi, Asdin
Format: Article
Language:English
Subjects:
Convergence
Engineering Sciences
Finite difference method
Friction stir welding
Iterative methods
Materials
Newton-Raphson method
Numerical analysis
Steady state
Structured grids (mathematics)
Two dimensional analysis
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Summary:This paper is devoted to the numerical computation of a steady-state thermo-fluid modeling related to the Friction Stir Welding Process in a two-dimensional cylindrical geometry. It analyzes the efficiency of the implementation on parallel architectures of two finite-difference schemes on a structured grid. The first one applies the Newton-Raphson method to compute a numerical solution of this non-linear elliptic type equation, and uses an iterative sparse solver. The second one is based on a time-marching approach converging to the steady state solution thanks to a time-explicit computation. Their respective performance is presented and discussed. Some numerical simulation results are presented to validate the proposed approach.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/p-U8Ijun