Compliant multistable structural elements

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:45

Article

Santer, M.¹  Pellegrino, S.² 

[1] Univ London Imperial Coll Sci Technol & Med, Dept Aeronaut, London SW7 2AZ, England

[2] CALTECH, Pasadena, CA 91125 USA

关键词: Adaptive structure;    Bistable structure;    Compliant structure;   

DOI  :  10.1016/j.ijsolstr.2008.07.014

来源: Elsevier

【 摘 要 】

Compliant multistable structures are presented which exhibit a large geometric change when actuated between their stable states. It is demonstrated how asymmetric-bistability is achieved through the combination of linear and nonlinear springs. Finite element analytical techniques are provided which enable the design of such structures, and which illustrate how the presence of imperfections can substantially alter their structural performance. A multistable structure is developed which consists of four connected bistable tetrahedral units. The validity of the analytical techniques is confirmed through observation of several physical models. (C) 2008 Elsevier Ltd. All rights reserved.

【 授权许可】

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