Paper number 746
|MODELING OF THE BEHAVIOR OF WOVEN LAMINATED COMPOSITES UNTIL RUPTURE|
Jean Paul Charles1 Christian Hochard2,3 Pierre Antoine Aubourg2,3
1Eurocopter, 13725 Marignane cedex, France
2Unimeca, 60 rue J. Curie, 13453 Marseille cedex 13, France
3LMA, 31 chemin J. Aiguier, 13402 Marseille cedex 20
|Summary||In order to model the behavior of woven composite materials, we adapted the models developed for unidirectional plies. The model used is non-linear with damage and residual strains. The behavior of woven plies in the longitudinal and transverse directions is elastic and brittle. We use only one damage variable to describe the loss of rigidity of the shear modulus. The residual strains concerned only shear strains. The identification of the model has been done on two tensile tests. A code which makes it possible to simulate the woven laminate behavior was developed. Tests of validation which compare numerical results and experimental results have shown the relevance of the model.
||Keywords|| woven fabric, continuum damage mechanics, progressive damage, structure analysis, characterization tests.
Theme : Textiles
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