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Reprogramming multi-stable snapping and energy dissipation in origami metamaterials through panel confinement.
Abdulrahman Almessabi1, Xuwen Li1, Amin Jamalimehr1
1Department of Mechanical Engineering, MGill University, Montreal, Quebec H3A 0G4, Canada.
Summary
Panel confinement in origami metamaterials controls snapping force and energy dissipation. Modulating this confinement allows for in situ reprogramming of mechanical responses for diverse applications.
Area of Science:
- Mechanics of Materials
- Metamaterials Science
- Origami Engineering
Background:
- Origami-inspired metamaterials offer tunable mechanical properties.
- Understanding panel confinement effects is crucial for controlling their behavior under cyclic loading.
Purpose of the Study:
- To quantify how panel confinement affects snapping force and energy dissipation in origami metamaterials.
- To demonstrate in situ reprogramming of mechanical responses through panel confinement modulation.
Main Methods:
- Computational modeling
- Proof-of-concept fabrication
- Cyclic mechanical testing
Main Results:
- Governing factors for altering or preserving snapping force magnitude during cyclic loading were identified.
- In situ modulation of panel confinement successfully reprogrammed snapping sequence and energy dissipation.
Conclusions:
- Panel confinement modulation is a practical design strategy for reprogrammable mechanical responses in origami metamaterials.
- Findings enhance the versatility of these metamaterials for applications requiring controlled damping and energy dissipation.
