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Habilitation à diriger des recherches

Contributions à l'identification et à la modélisation des solides anélastiques

Abstract : This contribution to the Mechanic of Materials concerns the non-linear, anisotropic and dissipative phenomena. Elastic anisotropy is measured, and analyzed, on various materials ; some of them are in a powder form. In the field of damage mechanics, two models for quasi-brittle materials are presented. First model constitutes a micro-mechanical approach of a network of rough sliding cracks. The second is macroscopic and introduces a non convex free energy, that allow to describe post-pic behavior of quasi brittle materials. A model and an experimental device are relevant of the yield surface distortion phenomenon in plasticity. A new testing device for the measurement of wood and composite anisotropic viscoelasticity is presented. A numerical integration software has been developed in order to allow the researcher to quickly visualize, in different tensorial basis, the response of an internal variable model.
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Habilitation à diriger des recherches
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https://tel.archives-ouvertes.fr/tel-00435576
Contributor : Marc Louis Maurice François <>
Submitted on : Tuesday, November 24, 2009 - 2:45:13 PM
Last modification on : Thursday, December 10, 2020 - 10:52:58 AM
Long-term archiving on: : Tuesday, October 16, 2012 - 2:46:33 PM

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  • HAL Id : tel-00435576, version 1

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Marc François. Contributions à l'identification et à la modélisation des solides anélastiques. Sciences de l'ingénieur [physics]. Université Pierre et Marie Curie - Paris VI, 2006. ⟨tel-00435576⟩

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