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Damage Mechanics Modelling of the shear nonlinear behavior of Nomex honeycomb core. Application to sandwich beams

Abstract : In this work, a modelling strategy based on damage mechanics is presented for Nomex honeycomb core. The proposed approach is based on the experimental analysis presented by the authors in [1] and consists of the decoupled modelling of the buckling and collapse of cells for the HRH-78 Nomex honeycomb core with two damage parameters. The proposed approach shows good agreementwith the experimental tests. The computational cost is low, proving the efficacy of this technique. This strategy may avoid using full 3D models that mimic the real shape and is a step toward a full compression/shear nonlinear model for honeycomb core.
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https://hal.archives-ouvertes.fr/hal-01880448
Contributor : Christophe Bouvet <>
Submitted on : Tuesday, January 29, 2019 - 2:42:59 PM
Last modification on : Friday, June 26, 2020 - 4:49:20 PM
Long-term archiving on: : Tuesday, April 30, 2019 - 5:21:12 PM

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Juan de Dios Rodriguez-Ramirez, Bruno Castanié, Christophe Bouvet. Damage Mechanics Modelling of the shear nonlinear behavior of Nomex honeycomb core. Application to sandwich beams. Mechanics of Advanced Materials and Structures, Taylor & Francis, 2020, 27 (1), pp.0. ⟨10.1080/15376494.2018.1472351⟩. ⟨hal-01880448⟩

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