A finite element for laminar flow of incompressible fluids with inertia effects and thermomechanical coupling | Zendy

Thomas Heuzé | Zendy; JeanBaptiste Leblond | Zendy; JeanMichel Bergheau | Zendy; Éric Feulvarch | Zendy

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A finite element for laminar flow of incompressible fluids with inertia effects and thermomechanical coupling

Author(s) -

Thomas Heuzé,

JeanBaptiste Leblond,

JeanMichel Bergheau,

Éric Feulvarch

Publication year - 2010

Publication title -

european journal of computational mechanics

Language(s) - English

Resource type - Journals

eISSN - 2642-2085

pISSN - 2642-2050

DOI - 10.13052/ejcm.19.293-304

Subject(s) - laminar flow , finite element method , mechanics , compressibility , inertia , coupling (piping) , incompressible flow , materials science , eulerian path , flow (mathematics) , welding , classical mechanics , engineering , structural engineering , mathematics , physics , lagrangian , metallurgy , mathematical analysis

The Friction Stir Spot Welding (FSSW) process involves large deformations in the neighborhood of the tool. The simulation of this process has to account for a pasty phase in which the material is stirred, and a phase remaining solid. An Arbitrary Lagrangian Eulerian (ALE) approach combined with respectively fluid and solid behaviours in each of those phases may allow to simulate a lot of rotations of the tool into the material while following the boundaries of the sheets. This work focuses on a first stage of this study, the development of a mixed formulation temperature/velocity/pressure of a fluid finite element P1+/P1 in the unsteady case.

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