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Berlin 2018 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 45: Statistical Physics in Biological Systems (joint session DY/BP)

DY 45.5: Talk

Wednesday, March 14, 2018, 11:00–11:15, BH-N 333

Active textiles with Janus filaments — •Len Pismen and Andrei Zakharov — Technion - Israel Institute of Technology

We describe reshaping of active textiles actuated by bending of Janus filaments 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 filaments. 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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