Deformation and mechanics of a pulvinus-inspired material

Abstract Mimosa pudica rapidly folds leaves when touched. Motion is created by pulvini, ‘the plant muscles’ that allow plants to produce various complex motions. Plants rely on local control of the turgor pressure to create on-demand motion. In this paper, the mechanics of a cellular material inspir...

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Bibliographic Details
Published inBioinspiration & biomimetics Vol. 17; no. 6; pp. 65002 - 65011
Main Authors Tadrist, Loïc, Mammadi, Younes, Diperi, Julien, Linares, Jean-Marc
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.11.2022
Subjects
bio-inspiration
Engineering Sciences
on-demand mechanical properties
Physics
pneumatic cellular material
pulvinus
Pulvinus
Bioinspiration
Deformations
Biomimetics
Pneumatic cellular material
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Summary:Abstract Mimosa pudica rapidly folds leaves when touched. Motion is created by pulvini, ‘the plant muscles’ that allow plants to produce various complex motions. Plants rely on local control of the turgor pressure to create on-demand motion. In this paper, the mechanics of a cellular material inspired from pulvinus of M. pudica is studied. First, the manufacturing process of a cell-controllable material is described. Its deformation behaviour when pressured is tested, focusing on three pressure patterns of reference. The deformations are modelled based on the minimisation of elastic energy framework. Depending on pressurisation pattern and magnitude, reversible buckling-induced motion may occur.
Bibliography:BB-103011.R1
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ISSN:1748-3182
1748-3190
DOI:10.1088/1748-3190/ac884f