2021
DOI: 10.1126/sciadv.abf4098
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Morphing pasta and beyond

Abstract: Morphing structures are often engineered with stresses introduced into a flat sheet by leveraging structural anisotropy or compositional heterogeneity. Here, we identify a simple and universal diffusion-based mechanism to enable a transient morphing effect in structures with parametric surface grooves, which can be realized with a single material and fabricated using low-cost manufacturing methods (e.g., stamping, molding, and casting). We demonstrate from quantitative experiments and multiphysics simulations … Show more

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Cited by 58 publications
(42 citation statements)
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References 48 publications
(54 reference statements)
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“…[ 509 ] Another interesting example of kirigami, albeit not explicitly related to soft robotics, is seen in the design of grooves and cuts in pasta to enable flatter and more efficient packing. [ 547 ]…”
Section: Resultsmentioning
confidence: 99%
“…[ 509 ] Another interesting example of kirigami, albeit not explicitly related to soft robotics, is seen in the design of grooves and cuts in pasta to enable flatter and more efficient packing. [ 547 ]…”
Section: Resultsmentioning
confidence: 99%
“…Inspired by the various shapes of spaghetti, Tao et al. [ 211 ] designed series of swelling metamaterial with surface grooves. The uneven diffusion in the center and surrounding areas of the structures would induce rapid shape‐shifting.…”
Section: Functions and Practical Applications Of Active Mechanical Metamaterialsmentioning
confidence: 99%
“…From top to bottom are ring, saddle, box. [ 211 ] Copyright 2021, American Association for the Advancement of Science. c) Metamaterial voxels and the multi‐unit modules.…”
Section: Functions and Practical Applications Of Active Mechanical Metamaterialsmentioning
confidence: 99%
“…Let's cook some pasta [467][468][469][470]. We place a pot with water on the stove and start heating.…”
Section: Heating and Boiling: Rayleigh-bénard Convectionmentioning
confidence: 99%
“…A minimum of investments of time, training and equipment are needed, which makes this field approachable not only to experimentalists, but also to theorists and researchers in other fields. Since many kitchen flows can be described by scaling theories and other analytical techniques, they can serve to validate theoretical models in fluid mechanics and materials science [469]. As such, kitchen experiments are attractive to theorists, and by lowering the activation barrier to start a new experiment, they can be combined with mathematical models to solve a large class of problems in science and in engineering.…”
Section: Curiosity-driven Researchmentioning
confidence: 99%