Towards nonlinear imperfect interface models including micro-cracks and smooth roughness

Abstract : The present paper deals with a general asymptotic theory aimed at deriving some imperfect interface models starting from thin interphases. The novelty of this work consists in taking into account some non-standard constitutive behaviors for the interphase material. In particular, micro-cracks, surface roughness and geometrical nonlinearity are included into the general framework of the matched-asymptotic-expansion theory. The elastic equilibrium problem of a three-composite body comprising two elastic adherents and an adhesive interphase is investigated. Higher order interface models are derived within the cases of soft and hard interphase materials. Simple FEM-based numerical applications are also presented.
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Contributeur : Maria Letizia Raffa <>
Soumis le : mercredi 4 octobre 2017 - 15:01:18
Dernière modification le : mardi 19 juin 2018 - 01:18:21

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Serge Dumont, F. Lebon, Maria Letizia Raffa, R. Rizzoni. Towards nonlinear imperfect interface models including micro-cracks and smooth roughness. Annals of Solid and Structural Mechanics, Springer Berlin Heidelberg, In press, 37 (41), pp.5919-5941. 〈http://link.springer.com/journal/12356〉. 〈10.1007/s12356-017-0047-8〉. 〈hal-01596038〉

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