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Chapitre D'ouvrage Année : 2023

Effective Engineering Constants for Micropolar Composites with Imperfect Contact Conditions

Résumé

In this work, the homogenization theory is applied within the framework of three-dimensional linear micropolar media. The fundamental results derived by the asymptotic homogenization method to compute the effective engineering moduli for a laminated micropolar elastic composite with centro-symmetric constituents are summarized, in which the interface between the layer phases is considered imperfect spring type. The layers are considered with isotropic symmetry. Non-uniform and, as a particular case, uniform imperfections are assumed, where different imperfection parameters and cell lengths in the -direction are assigned for the analysis. The analytical expressions of the engineering constants related to the stiffness and torque are given as functions of the imperfection parameters. The behavior of the engineering coefficients depending on the imperfection is studied. The influence of the imperfection and the cell length in the direction of the imperfection is observed. The present study allows validating other models and experimental results, as well as the investigation of fracture prediction in laminated composite materials.

Domaines

Matériaux
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Dates et versions

hal-04434465 , version 1 (02-02-2024)

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Citer

Reinaldo Rodríguez-Ramos, V. Yanes, Y. Espinosa-Almeyda, C.F. Sánchez-Valdés, J. Otero, et al.. Effective Engineering Constants for Micropolar Composites with Imperfect Contact Conditions. Holm Altenbach; Giovanni Bruno; Victor A. Eremeyev; Mikhail Yu. Gutkin; Wolfgang H. Müller. Mechanics of Heterogeneous Materials, 195, Springer International Publishing, pp.449-466, 2023, Advanced Structured Materials, 978-3-031-28743-5. ⟨10.1007/978-3-031-28744-2_19⟩. ⟨hal-04434465⟩
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