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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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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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Cohen-Addad, Sylvie
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Publications (9/9 displayed)
- 2023Hierarchical bubble size distributions in coarsening wet liquid foamscitations
- 2023Hierarchical bubble size distributions in coarsening wet liquid foamscitations
- 2019Elastic behavior of confined soap frothcitations
- 2017Stabilization of foams by the combined effects of an insoluble gas species and gelation citations
- 2014Closed-cell crystalline foams: Self-assembling, resonant metamaterialscitations
- 2013The coupling between foam viscoelasticity and interfacial rheologycitations
- 2010Investigation of shear banding in three-dimensional foamscitations
- 2007Rigidity Percolation in Particle-Laden Foamscitations
- 2005Is the yield stress of aqueous foam a well-defined quantity?citations
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article
Closed-cell crystalline foams: Self-assembling, resonant metamaterials
Abstract
International audience ; Internal degrees of freedom and periodic structure are critical requirements in the design of acoustic/elastic metamaterials since they can give rise to extraordinary properties like negative effective mass and stiffness. However, they are challenging to realize in three dimensions. Closed-cell, crystalline foams are a particularly advantageous basis to develop metamaterials as they intrinsically have a complex microstructure, exhibiting internal resonances. Recently self-assembly techniques have been implemented to produce such foams: a Kelvin (body centered cubic) foam, a face centered cubic foam, and a Weaire-Phelan structure. Numerical models are employed to demonstrate that such foams are superanisotropic, selectively behaving as a fluid or a solid, pentamode solids as a result of fluid-structure interaction, in addition to having regimes characterized by film resonances and high density of states. Microstructural deformations obtained from numerical models allow the derivation of equivalent mechanical models. (C) 2014 Acoustical Society of America.