Paper Title:
Modelling Aeronautical Composite Laminates Behaviour under Impact Using a Saturation Damage and Delamination Continuous Material Model
  Abstract

We show that the behavior of T700/M21s and T800/M21s composite panels are affected by the influence of strain rates together with local shear and crush punch or global flexural strengths of the structure. A deterministic continuous composite material model has been developed as a LS-DYNA user defined material model for unidirectional composites on the basis of the Matzenmiller model widely used for woven composites. Initiation and evolution up to saturation and fracture are implemented for various and coupled damage mechanisms including delamination. Quasi-static and dynamic characterization tests laminates have been carried out on balanced angle ply [±θ] and used for calibration of numerical values. Impact induced damage from experiment’s measures and numerical predictions are compared for T800/M21S aeronautical samples impacted at 15J.

  Info
Periodical
Key Engineering Materials (Volumes 452-453)
Edited by
A. Saimoto and M.H. Aliabadi
Pages
369-372
DOI
10.4028/www.scientific.net/KEM.452-453.369
Citation
M. Ilyas, C. Espinosa, F. Lachaud, L. Michel, M. Salaün, "Modelling Aeronautical Composite Laminates Behaviour under Impact Using a Saturation Damage and Delamination Continuous Material Model", Key Engineering Materials, Vols. 452-453, pp. 369-372, 2011
Online since
November 2010
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