Kirigami-Inspired Inflatables with Programmable Shapes.,Advanced Materials

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Kirigami-Inspired Inflatables with Programmable Shapes.
Advanced Materials ( IF 27.4 ) Pub Date : 2020-07-06 , DOI: 10.1002/adma.202001863
Lishuai Jin _{1,

2} , Antonio Elia Forte _{2,

3} , Bolei Deng ₂ , Ahmad Rafsanjani ₄ , Katia Bertoldi _{2,

5,

6}

Affiliation

Kirigami, the Japanese art of paper cutting, has recently enabled the design of stretchable mechanical metamaterials that can be easily realized by embedding arrays of periodic cuts into an elastic sheet. Here, kirigami principles are exploited to design inflatables that can mimic target shapes upon pressurization. The system comprises a kirigami sheet embedded into an unstructured elastomeric membrane. First, it is shown that the inflated shape can be controlled by tuning the geometric parameters of the kirigami pattern. Then, by applying a simple optimization algorithm, the best parameters that enable the kirigami inflatables to transform into a family of target shapes at a given pressure are identified. Furthermore, thanks to the tessellated nature of the kirigami, it is shown that we can selectively manipulate the parameters of the single units to allow the reproduction of features at different scales and ultimately enable a more accurate mimicking of the target.

中文翻译：

具有可编程形状的Kirigami风格的充气产品。

日本的剪纸艺术Kirigami最近启用了可拉伸机械超材料的设计，可以通过将定期切割的阵列嵌入到弹性片材中来轻松实现这种材料。在这里，kirigami原理被用来设计可在加压时模仿目标形状的充气物。该系统包括一个嵌入非结构化弹性膜的折纸片。首先，示出了可以通过调整kirigami图案的几何参数来控制膨胀形状。然后，通过应用简单的优化算法，确定使kirigami充气装置能够在给定压力下转变为一系列目标形状的最佳参数。此外，由于激进折纸的细分性质，

更新日期：2020-08-18

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