Modèle à double gradient pour matériaux renforcés. Modélisation théorique et expérimentale

C Boutin, J Soubestre, MS Dietz

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

This study deals with elastic media periodically reinforced by slender and very stiff inclusions. Using homogenization and dimensional analysis, one deduces the conditions inducing a full coupling between the beam behavior of the inclusions and the shear behavior of the matrix. Conversely to the Cauchy media usually derived for composites, the macroscopic model involves at the leading order a second gradient effect (inner bending) and differs from Cosserat media (despite the inner rotation of the beam section). An experimental validation of these theoretical results is given in conclusion.
Translated title of the contributionModèle à double gradient pour matériaux renforcés. Modélisation théorique et expérimentale
Original languageEnglish
Title of host publication20ème Congrès Français de Mécanique, Besançon, France
Number of pages6
Publication statusPublished - 2011

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