Physical Review Applied· 2026Q1
Size-dependent properties of Miura-ori tessellations
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- 2026year
Short summary
Miura-ori origami tessellations exhibit size-dependent kinematic locking, with smaller tessellations showing a tunable transition to a zero Poisson's ratio state and altered locking direction.
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Key points
- Miura-ori tessellations exhibit size-dependent behavior, particularly in their Poisson's ratio.
- Smaller tessellations show a transition to a zero Poisson's ratio, signifying a kinematic locking state.
- The onset and direction of kinematic locking can be controlled by varying the tessellation size.
- Experimental demonstrations confirm the tunable locking behavior based on size.
AI-generated from the title and abstract; the full text is not read.
Abstract
We investigate the size-dependent behavior of Miura-ori-based origami tessellations by changing the number of origami unit cells. For large tessellations, the Miura-ori sheet generally exhibits a negative in-plane Poisson's ratio, whereas if the size of the Miura-ori tessellations becomes small, the transition between positive and negative Poisson's ratio emerges in the middle of the folding process. Here, we show that such a transitioning point, i.e., zero Poisson's ratio, yields a kinematic locking state. We also experimentally demonstrate the tunable locking behavior altered by tessellation sizes. Extending the analysis to three-dimensional origami tessellations, we find that the direction of kinematic locking changes depending on the tessellation size. Varying tessellation size thus enables control over both the onset and the direction of locking in origami metamaterials.
The authors' abstract, as published at the source. Physical Review Applied, 2026 · DOI ↗
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Field: Mechanical Engineering
Mechanical EngineeringEngineering