Programmable Mechanical Metamaterials
2014; American Physical Society; Volume: 113; Issue: 17 Linguagem: Inglês
10.1103/physrevlett.113.175503
ISSN1092-0145
AutoresBastiaan Florijn, Corentin Coulais, Martin van Hecke,
Tópico(s)Adhesion, Friction, and Surface Interactions
ResumoWe create mechanical metamaterials whose response to uniaxial compression can be programmed by lateral confinement, allowing monotonic, nonmonotonic, and hysteretic behavior. These functionalities arise from a broken rotational symmetry which causes highly nonlinear coupling of deformations along the two primary axes of these metamaterials. We introduce a soft mechanism model which captures the programmable mechanics, and outline a general design strategy for confined mechanical metamaterials. Finally, we show how inhomogeneous confinement can be explored to create multistability and giant hysteresis.Received 15 July 2014DOI:https://doi.org/10.1103/PhysRevLett.113.175503© 2014 American Physical Society
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