Finite Element Method; Dynamic Explicit; Incremental Forming; LIMARC
Abstract :
[en] A new method for modeling the contact between the tool and the metal sheet for the
incremental forming process was developed based on a dynamic explicit time integration scheme.
The main advantage of this method is that it uses the actual contact location instead of fixed
positions, e.g. integration or nodal points. The purpose of this article is to compare the efficiency of the new method, as far as accuracy and computation time are concerned, with finite element
simulations using a classic static implicit approach. In addition, a sensitivity analysis of the mesh
density will show that bigger elements can be used with the new method compared to those used in classic simulations.
Disciplines :
Materials science & engineering
Author, co-author :
Henrard, Christophe ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Bouffioux, Chantal ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Duchene, Laurent ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Duflou, J. R.
Habraken, Anne ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Validation of a new finite element for incremental forming simulation using a dynamic explicit approach
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J. Jeswiet, F. Micari, G. Hirt, A. Bramley, J. Duflou and J. Allwood: Asymmetric Single Point Incremental Forming of Sheet Metal, CIRP Annals, 54/2 (2005), pp. 623-649 (Technische Rundschau, Bern, Switzerland)
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Henrard, C., Bouffioux, C., Godinas, A., Habraken, A.M., Development of a Contact Model Adapted to Incremental Forming (2005) Proc. of the 8th Esaform conference, 1, pp. 117-120
Zhu, Y.Y., Cescotto, S., Transient Thermal and Thermomechanical Analysis by F.E.M (1994) Computers and Structures, 53 -2, pp. 275-304
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Jetteur, P., Cescotto, S., A Mixed Finite Element for the Analysis of Large Inelastic Strains (1991) International Journal for Numerical Methods in Engineering, 31, pp. 229-239
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