A multi-scale approach for the response of a 3D carbon/carbon composite under shock loading

A method for the prediction of fracture under dynamic loading for small structures made of a 3D carbon/carbon composite is proposed. Owing to the length scale of the loading, the notion of homogenised material is meaningless and our choice then is to model, identify and compute the material at an in...

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Bibliographic Details
Published in:Composites science and technology 2001-01, Vol.61 (3), p.409-415
Main Authors: Allix, Olivier, Dommanget, Michel, Gratton, Michel, Héreil, Pierre-Louis
Format: Article
Language:English
Subjects:
Applied sciences
B. Impact behaviour
Building materials. Ceramics. Glasses
C. Computational simulations
C. Damage mechanics
Carbon/carbon composites
Ceramic industries
Changing-scale method
Chemical industry and chemicals
Engineering Sciences
Exact sciences and technology
Structural ceramics
Technical ceramics
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Summary:A method for the prediction of fracture under dynamic loading for small structures made of a 3D carbon/carbon composite is proposed. Owing to the length scale of the loading, the notion of homogenised material is meaningless and our choice then is to model, identify and compute the material at an intermediate or mesoscale (fibre-strands/matrix-blocks). The idea here is that, because of the small size of the meso scale, the previous description of the damage mechanisms should be valid even for high-rate loading. This work is focused on the application of this approach to the case of plate/plate impact by making use of a simplified analysis.
ISSN:0266-3538
1879-1050
DOI:10.1016/S0266-3538(00)00111-1