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Research Papers

A Perspective on the Revival of Structural (In)Stability With Novel Opportunities for Function: From Buckliphobia to Buckliphilia

[+] Author and Article Information
Pedro M. Reis

EGS. Lab: Elasticity,
Geometry, and Statistics Laboratory,
Department of Mechanical Engineering,
Massachusetts Institute of Technology,
Cambridge, MA 02139
e-mail: preis@mit.edu

Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received August 24, 2015; final manuscript received August 25, 2015; published online September 28, 2015. Editor: Yonggang Huang.

J. Appl. Mech 82(11), 111001 (Sep 28, 2015) (4 pages) Paper No: JAM-15-1448; doi: 10.1115/1.4031456 History: Received August 24, 2015; Revised August 25, 2015

Buckling of slender structures is traditionally regarded as a first route toward failure. Here, we provide an alternative perspective on a burgeoning movement where mechanical instabilities are exploited to devise new classes of functional mechanisms that make use of the geometrically nonlinear behavior of their postbuckling regimes. Selected examples are highlighted across length-scales to illustrate some of the exciting opportunities that lie ahead.

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Grahic Jump Location
Fig. 1

Mechanics of slender structures, across length-scales. (a) Crumpled paper ball (8-cm diameter) and (b) crumpled graphene sheet (∼200-nm diameter, SEM image courtesy of Mao et al. [9]). Kirigami springs made out of a periodically cut (c) paper and (d) graphene sheets (courtesy of Blees et al. [11]). (e) Precision desktop experiment to study the buckling of a thin rod injected into a horizontal cylindrical constraint that is applicable to the (f) lock-up in coiled tubing operations in the oil and gas industries (courtesy of Miller et al. [14]).

Grahic Jump Location
Fig. 2

Buckliphilia—using buckling for functional modes of deformation. (a) Smart morphable surfaces for tunable aerodynamic drag reduction through wrinkling on curved surfaces [17]. Scale bar, 1 cm. (b) The Buckliball exhibits buckling-induced folding [20]. Samples at different stages of loading. Scale bar, 1 cm. (c) 3D structure created by the buckling of a 2D ribbon layout (courtesy of Xu et al. [23]). Scale bar, 200 μm. (d) Vibrio alginolyticus uses buckling of its hook for turning during swimming (courtesy of Son et al. [24]). Scale bar, 1 μm.

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