Mesoscopic to macroscopic behaviour of particulate composites: Experimental and numerical aspects

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• Alain Fanget, Centre d'Etudes de Gramat, France
• Thursday 13 November 2008, 16:00-17:00
• Mott Seminar Room, Cavendish Laboratory, Department of Physics.

If you have a question about this talk, please contact Stephen Walley.

Starting from the concrete problem of the survivability of propellant material, we will present the developments in the modelling of their behaviour in three domains:

1. In two domains where quasistatic loading can be applied, a specific homogenisation procedure will be presented : - For visco-hyperelasticity description of the response of the material; - For debonding descriptions of the response of the material

2. The dynamic domain through a mesoscopic description.

Limitations of and issues with these description will be presented.

*This work is done in collaboration with : - Le Laboratoire de Mécanique et de Physique des Matériaux de l’ENSMA (A. Dragon, C. Nadot, D. Halm) - Le Centre de Morphologie Mathématiques (CMM) de l’ENSMP (D. Jeulin, M. Faessel)

And support by the DGA .

This talk is part of the Physics and Chemistry of Solids Group series.

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