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Lin S, Xie YM, Li Q, et al. Buckling-induced retraction of spherical shells: A study on the shape of aperture. Sci Rep. 2015;5:11309doi: 10.1038/srep11309.
Lin, S., Xie, Y. M., Li, Q., Huang, X., & Zhou, S. (2015). Buckling-induced retraction of spherical shells: A study on the shape of aperture. Scientific reports, 511309. https://doi.org/10.1038/srep11309
Lin, Sen, et al. "Buckling-induced retraction of spherical shells: A study on the shape of aperture." Scientific reports vol. 5 (2015): 11309. doi: https://doi.org/10.1038/srep11309
Lin S, Xie YM, Li Q, Huang X, Zhou S. Buckling-induced retraction of spherical shells: A study on the shape of aperture. Sci Rep. 2015 Jun 22;5:11309. doi: 10.1038/srep11309. PMID: 26096171; PMCID: PMC4476044.
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Sci Rep. 2015 Jun 22;5:11309. doi: 10.1038/srep11309.

Buckling-induced retraction of spherical shells: A study on the shape of aperture.

Scientific reports

Sen Lin, Yi Min Xie, Qing Li, Xiaodong Huang, Shiwei Zhou

Affiliations

  1. Centre for Innovative Structures and Materials, School of Civil, Environmental and Chemical Engineering, RMIT University, GPO Box 2476, Melbourne 3001, Australia.
  2. School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia.

PMID: 26096171 PMCID: PMC4476044 DOI: 10.1038/srep11309

Abstract

Buckling of soft matter is ubiquitous in nature and has attracted increasing interest recently. This paper studies the retractile behaviors of a spherical shell perforated by sophisticated apertures, attributed to the buckling-induced large deformation. The buckling patterns observed in experiments were reproduced in computational modeling by imposing velocity-controlled loads and eigenmode-affine geometric imperfection. It was found that the buckling behaviors were topologically sensitive with respect to the shape of dimple (aperture). The shell with rounded-square apertures had the maximal volume retraction ratio as well as the lowest energy consumption. An effective experimental procedure was established and the simulation results were validated in this study.

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