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Issue Int. J. Simul. Multi. Design Optim.
Volume 3, Number 2, April 2009
Page(s) 337 - 341
DOI 10.1051/ijsmdo/2009008
Published online 24 June 2009

Int. J. Simul. Multidisci. Des. Optim. 3, 337-341 (2009)
DOI: 10.1051/ijsmdo/2009008

Woven thermoplastic composite forming simulation with solid-shell element method

Q.Q. Chen1, A. Saouab1, P. Boisse2, C.H. Park1 and J. Bréard1

1  Laboratoire Ondes et Milieux Complexes, FRE 3102, CNRS, Université du Havre, France
2  Laboratoire de Mécanique des Contacts et des Structures, UMR 5259, CNRS, INSA Lyon, France


Received 17 October 2008, Accepted 04 April 2009; published online 24 June 2009

Abstract
Textile composites become more and more popular in aeronautic industries, due to their high performances. In this work, based on the model shown in the paper [9], a solid-shell element is used to simulate the woven composite forming. Comparing with other shell elements, a distinctive advantage of solid-shell elements is that the complication on handing finite rotations does not exist. Accounting the specific mechanical behaviors of woven composite material, the tensile, in-plane shear, bending and compressive energies are taken into account depending on the fiber direction, and then the total strain energy is computed to be the sum of those energies. The necessary material data for the simulation come from standard tensile, compressive and bias test experiments. Some forming simulations are performed with this method, and we can observe the wrinkles that exhibit the influence of bending stiffness. The results show the efficiency of the approach.



Key words: Solid-shell element -- Woven thermoplastic composite -- forming simulation

Correspondence: bayon@uniovi.es


© ASMDO 2009


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