Programmable Mechanical Metamaterial

توضیحات:

Florijn, Bastiaan, Corentin Coulais, and Martin van Hecke. "Programmable Mechanical Metamaterials."

PRL focus:
http://physics.aps.org/articles/v7/109
PRL:
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.113.175503
arXiv preprint arXiv:
http://arxiv.org/abs/1407.4273

Abstract:
We 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.

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