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Programmable functionally graded origami structures with high energy absorption
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DOI：10.1016/j.engstruct.2026.123016.png)
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Abstract
En 中文
• Three novel functionally graded origami structures (FGOS) are proposed. • Thickness gradients yield 26.7% higher SEA and 77.8% lower initial peak force. • Angle gradients cut initial peak force by 83.3% and enable programmable stiffness. • Height gradients provide "phase tuning" to precisely shift peak force points.
Keywords:
Origami metamaterials
Functionally graded structures
Progressive collapse mechanism
Programmable mechanical response
Energy absorption
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