含Janus纤维的活性纺织品
Active textiles with Janus fibres
摘要：
我们描述了由包括主动和被动组件的Janus纤维弯曲驱动的主动纺织品的重塑。通过使织物的总能量最小化，可以通过改变由Janus纤维的取向确定的弯曲方向来产生各种各样的形状。在某些条件下，交替的平衡态，一个绝对稳定的和另一个亚稳定的共存，并且它们的相对能量可以随着系统参数（例如致动时的延伸）的改变而翻转其符号。一个管理单元通过重塑一个特殊结构的纺织品再现捕蝇草效果。
英文摘要：
We describe reshaping of active textiles actuated by bending of Janus fibres comprising both active and passive components. A great variety of shapes, determined by minimising the overall energy of the fabric, can be produced by varying bending directions determined by the orientation of Janus fibres. Under certain conditions, alternative equilibrium states, one absolutely stable and the other metastable coexist, and their relative energy may flip its sign as system parameters, such as the extension upon actuation, change. A snap-through reshaping in a specially structured textile reproduces the Venus flytrap effect.
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