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A variable-topology morphing composite cylindrical lattice
Date
2021
Abstract
Morphing composite structures are of significant interest due to the fact that they exhibit superior mass‐to‐ stiffness ratios and a large degree of tailorability in comparison to traditional materials and structures. One such morphing composite structure is the multistable composite cylindrical lattice. Current work introduces a novel variable‐topology morphing mechanism to it through the use of both permanent magnets and electro-magnets. By replacing a set of mechanical fasteners from the central intersection of the lattice strips with a bespoke variable‐topology mechanism introduces a controllable and replicable semi‐autonomous means for topology morphing. The variable‐topology mechanism allows the structure to transition from being a linear deployment actuator to one that deploys along a curved path, without need for external mechanical input. The behaviour of both the variable‐topology mechanism and the topology‐changing cylindrical lattice are thoroughly characterised through a combination of mechanical and virtual tests.
Supervisor
Description
peer-reviewed
Publisher
Elsevier
Citation
Composite Structures;276, 114542
Collections
Files
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Carey_2021_A_Variable.pdf
Adobe PDF, 2.99 MB
Funding code
Funding Information
Science Foundation Ireland (SFI)
Sustainable Development Goals
External Link
Type
Article
Rights
https://creativecommons.org/licenses/by-nc-sa/1.0/