With the development of smart materials such as electroactive polymers and magnetoactive elastomers, active origami structures, where desired folded shapes can be achieved using external electric and magnetic stimuli, are showing promising potential in many engineering applications. In this study, finite element analysis (FEA) models are developed in 3-D using COMSOL Multiphysics software for unimorph bending and folding actuated using a single external field, and a bi-fold configuration which is actuated using multi-field stimuli. The objectives of the study are: 1) to investigate folding behavior and effects of geometric parameters, and 2) to maximize actuation for a given stimulus. Experimentally determined mechanical pressures and moments are applied as external loads to simulate electric and magnetic fields, respectively. Good agreement is obtained in the tip displacement and folding angles between the simulation and experiments, which demonstrates the effectiveness of the FEA model.
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ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 28–30, 2016
Stowe, Vermont, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5048-0
PROCEEDINGS PAPER
Finite Element Analysis of Electroactive Polymer and Magnetoactive Elastomer Based Actuation for Origami-Inspired Folding
Wei Zhang,
Wei Zhang
Pennsylvania State University, University Park, PA
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Saad Ahmed,
Saad Ahmed
Pennsylvania State University, University Park, PA
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Sarah Masters,
Sarah Masters
Pennsylvania State University, University Park, PA
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Zoubeida Ounaies,
Zoubeida Ounaies
Pennsylvania State University, University Park, PA
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Mary Frecker
Mary Frecker
Pennsylvania State University, University Park, PA
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Wei Zhang
Pennsylvania State University, University Park, PA
Saad Ahmed
Pennsylvania State University, University Park, PA
Sarah Masters
Pennsylvania State University, University Park, PA
Zoubeida Ounaies
Pennsylvania State University, University Park, PA
Mary Frecker
Pennsylvania State University, University Park, PA
Paper No:
SMASIS2016-9053, V001T01A001; 11 pages
Published Online:
November 29, 2016
Citation
Zhang, W, Ahmed, S, Masters, S, Ounaies, Z, & Frecker, M. "Finite Element Analysis of Electroactive Polymer and Magnetoactive Elastomer Based Actuation for Origami-Inspired Folding." Proceedings of the ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring. Stowe, Vermont, USA. September 28–30, 2016. V001T01A001. ASME. https://doi.org/10.1115/SMASIS2016-9053
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