Programmable mechanical metamaterials.

@article{Florijn2014ProgrammableMM,
  title={Programmable mechanical metamaterials.},
  author={Bastiaan Florijn and Corentin Coulais and Martin van Hecke},
  journal={Physical review letters},
  year={2014},
  volume={113 17},
  pages={
          175503
        }
}
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… 

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References

SHOWING 1-10 OF 18 REFERENCES

International Journal of Solids and Structures

The manufacturing of multistable shells has been dominated by the use of pre-stressed and composite materials. Here we advocate the use of common materials through a simple design that requires no

Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields

Contents: Introduction: Differential Equations and Dynamical Systems.- An Introduction to Chaos: Four Examples.- Local Bifurcations.- Averaging and Perturbation from a Geometric Viewpoint.-

Soft Matter

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How to Fold It: The Mathematics of Linkages, Origami and Polyhedra

  • How to Fold It: The Mathematics of Linkages, Origami and Polyhedra
  • 2011

AIChE J

  • 60, 2732 (2014). PRL 113, 175503
  • 2014

) , Vol . 42 , ISBN 9780387908199 . [ 29 ] R . S . Lakes

  • Nonlinear Oscillations , Dynamical Systems , and Bifurcations of Vector Fields , Applied Mathematical Sciences
  • 1983

Nat. Phys

  • Nat. Phys
  • 2014

We only clamp rows that end in small holes

    Rep. Pro. Phys

    • Rep. Pro. Phys
    • 2013

    App. Phys. Lett

    • App. Phys. Lett
    • 2012