Reference : Application of the Arbitrary Lagrangian Eulerian Formulation to the Numerical Simulat...
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/2428
Application of the Arbitrary Lagrangian Eulerian Formulation to the Numerical Simulation of Cold Roll Forming Process
English
Boman, Romain mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
Papeleux, Luc mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
Bui, Quoc Viet [Université de Liège - ULg > LTAS > > >]
Ponthot, Jean-Philippe mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
3-Jul-2006
Journal of Materials Processing Technology
Elsevier
177
1-3
621-625
Yes (verified by ORBi)
International
0924-0136
Lausanne
[en] cold roll forming ; ALE formulation ; mesh smoothing ; large deformation ; finite elements
[en] In this paper, the Arbitrary Lagrangian Eulerian formalism is used to compute the steady state of a 3D U-shaped cold roll forming process. Compared to the Lagrangian case, this method allows to keep a refined mesh near the tools, thus allowing accurate contact prediction all along the computation with a limited number of elements. Mesh can also be kept refined in the bending zone, thus leading to accurate representation of the sheet with a limited computational time. The main problem of this kind of simulation lies in the rezoning of the nodes on the free surfaces of the sheet. A modified iterative isoparametric smoother is used to manage this geometrically complex and CPU expensive task. (c) 2006 Elsevier B.V. All rights reserved.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/2428
10.1016/j.jmatprotec.2006.04.120

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