• Corpus ID: 237492047

Memory from coupled instabilities in crumpled sheets

  title={Memory from coupled instabilities in crumpled sheets},
  author={Dor Shohat and Daniel Hexner and Yoav Lahini},
Crumpling an ordinary thin sheet transforms it into a structure with unusual mechanical behaviors, such as logarithmic relaxation, emission of crackling noise, and memory retention. A central challenge lies in understanding how these behaviors emerge from the underlying complex geometry. Here we combine global force measurements and 3D imaging to correlate the global mechanical response and the underlying geometric transformations. We find that the response of crumpled sheets to cyclic strain… 
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