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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Daouadji, Ali
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Topics
Publications (10/10 displayed)
- 2023Influence of Grain‐Scale Properties on Localization Patterns and Slip Weakening Within Dense Granular Fault Gougescitations
- 2021Effect of mechanical and geometrical properties on dynamic behavior of asymmetrical composite sandwich beam with viscoelastic core
- 2020Frequency- and angle-dependent scattering of a finite-sized meta-structure via the relaxed micromorphic modelcitations
- 2019Relaxed micromorphic broadband scattering for finite-size meta-structures -- a detailed development
- 2019Relaxed micromorphic broadband scattering for finite-size meta-structures - a detailed development
- 2018Low-and high-frequency Stoneley waves, reflection and transmission at a Cauchy/relaxed micromorphic interface
- 2018Low-and high-frequency Stoneley waves, reflection and transmission at a Cauchy/relaxed micromorphic interface
- 2018Damped dynamic response of strengthened beams by composite coats under moving force by FEM ; Réponse dynamique amortie des poutres renforcées par des couches en composites sous une force mobile en utilisant la MEF.
- 2018Quasi-static Incremental Behavior of Granular Materials: Elastic–Plastic Coupling and Micro-scale Dissipationcitations
- 2017Free and Forced Vibration of Beams Strengthened by Composite Coats Subjected to Moving Loadscitations
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document
Low-and high-frequency Stoneley waves, reflection and transmission at a Cauchy/relaxed micromorphic interface
Abstract
In this paper we study the reflective properties of a 2D interface separating a homogeneous solid from a band-gap metamaterial by modeling it as an interface between a classical Cauchy continuum and a relaxed micromorphic medium. We show that the proposed model is able to predict the onset of Stoneley interface waves at the considered interface both at low and high-frequency regimes. More precisely, critical angles for the incident wave can be identified, beyond which classical Stoneley waves, as well as microstructure-related Stoneley waves appear. We show that this onset of Stoneley waves, both at low and high frequencies, strongly depends on the relative mechanical properties of the two media. We suggest that a suitable tailoring of the relative stiffnesses of the two media can be used to conceive "smart interfaces" giving rise to wide frequency bounds where total reflection or total transmission may occur.