Overcurvature induced multistability of linked conical frusta: how a 'bendy straw' holds its shape.

  title={Overcurvature induced multistability of linked conical frusta: how a 'bendy straw' holds its shape.},
  author={Nakul Prabhakar Bende and Tian Yu and N. A. Corbin and Marcelo A. Dias and Christian Santangelo and J A Hanna and Ryan C. Hayward},
  journal={Soft matter},
  volume={14 42},
We study the origins of multiple mechanically stable states exhibited by an elastic shell comprising multiple conical frusta, a geometry common to reconfigurable corrugated structures such as 'bendy straws'. This multistability is characterized by mechanical stability of axially extended and collapsed states, as well as a partially inverted 'bent' state that exhibits stability in any azimuthal direction. To understand the origin of this behavior, we study how geometry and internal stress affect… 

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