Instant fabrication and selection of folded structures using drop impact

被引:77
作者
Antkowiak, Arnaud [1 ]
Audoly, Basile
Josserand, Christophe
Neukirch, Sebastien
Rivetti, Marco
机构
[1] Univ Paris 06, CNRS, F-75005 Paris, France
关键词
elastocapillarity; microfabrication; dynamic self-assembly; thin films; surface tension; SURFACE-TENSION;
D O I
10.1073/pnas.1101738108
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A drop impacting a target cutout in a thin polymer film is wrapped by the film in a dynamic sequence involving both capillary forces and inertia. Different 3D structures can be produced from a given target by slightly varying the impact parameters. A simplified model for a nonlinear dynamic Elastica coupled with a drop successfully explains this shape selection and yields detailed quantitative agreement with experiments. This first venture into the largely unexplored dynamics of elastocapillary assemblies opens up the perspective of mass production of 3D packages with individual shape selection.
引用
收藏
页码:10400 / 10404
页数:5
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