globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0163506
论文题名:
Honeycomb Actuators Inspired by the Unfolding of Ice Plant Seed Capsules
作者: Lorenzo Guiducci; Khashayar Razghandi; Luca Bertinetti; Sébastien Turcaud; Markus Rüggeberg; James C. Weaver; Peter Fratzl; Ingo Burgert; John W. C. Dunlop
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2016
发表日期: 2016-11-2
卷: 11, 期:11
语种: 英语
英文关键词: Deformation ; Anisotropy ; Humidity ; Prototypes ; 3D printing ; Bending ; Curvature ; Polymers
英文摘要: Plant hydro-actuated systems provide a rich source of inspiration for designing autonomously morphing devices. One such example, the pentagonal ice plant seed capsule, achieves complex mechanical actuation which is critically dependent on its hierarchical organization. The functional core of this actuation system involves the controlled expansion of a highly swellable cellulosic layer, which is surrounded by a non-swellable honeycomb framework. In this work, we extract the design principles behind the unfolding of the ice plant seed capsules, and use two different approaches to develop autonomously deforming honeycomb devices as a proof of concept. By combining swelling experiments with analytical and finite element modelling, we elucidate the role of each design parameter on the actuation of the prototypes. Through these approaches, we demonstrate potential pathways to design/develop/construct autonomously morphing systems by tailoring and amplifying the initial material’s response to external stimuli through simple geometric design of the system at two different length scales.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0163506&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/23460
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany;Cluster of Excellence “Image Knowledge Gestaltung: an Interdisciplinary Laboratory”, Humboldt University of Berlin, Berlin, Germany;Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany;Cluster of Excellence “Image Knowledge Gestaltung: an Interdisciplinary Laboratory”, Humboldt University of Berlin, Berlin, Germany;Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany;Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany;Institute for Building Materials (IfB), ETHZ, Zurich, Switzerland;Applied Wood Materials Laboratory, Empa, Dübendorf, Switzerland;Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts, United States of America;Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany;Institute for Building Materials (IfB), ETHZ, Zurich, Switzerland;Applied Wood Materials Laboratory, Empa, Dübendorf, Switzerland;Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany

Recommended Citation:
Lorenzo Guiducci,Khashayar Razghandi,Luca Bertinetti,et al. Honeycomb Actuators Inspired by the Unfolding of Ice Plant Seed Capsules[J]. PLOS ONE,2016-01-01,11(11)
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