Tensile post-impact behaviour of thin carbon/epoxy and glass/epoxy hybrid woven laminates – Part II: Numerical study

A. Rogani 1 Pablo Navarro 1 Steven Marguet 1 Jean-François Ferrero 1 C. Lanouette 2
1 ICA - Institut Clément Ader
2 Airbus Helicopters
Abstract : This article concerns the modelling of post-impact damage propagation in thin woven composite laminates. Simulations of low velocity impacts and post-impact quasi-static tension are performed on single-material and hybrid laminates. The modelling is based on the semi-continuous approach implemented into the explicit finite element code RADIOSS. The bundles are modelled with rod elements and a specific damageable shell element is used to stabilize this truss structure. Improvements are brought with the introduction of a compressive failure criterion for the rod elements and the development of a pseudo-plastic law with damaging for in in-plane shear. The results provided by the modelling well correlates the experimental observations in terms of damage propagation and load-displacement curves for all the configurations studied.
Keywords : damage explicit FE modeling Woven composites thin laminates hybrid laminates post-impact behaviour
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A. Rogani, Pablo Navarro, Steven Marguet, Jean-François Ferrero, C. Lanouette. Tensile post-impact behaviour of thin carbon/epoxy and glass/epoxy hybrid woven laminates – Part II: Numerical study. Composite Structures, Elsevier, 2019, 230, pp.111455. ⟨10.1016/j.compstruct.2019.111455⟩. ⟨hal-02305928⟩

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