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Origami-inspired metamaterial concave tubes for enhanced energy absorption: From mechanism to application
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DOI：10.1016/j.ijimpeng.2026.105852.png)
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Abstract
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• An origami-inspired metamaterial concave tube (OMCT) is proposed. • The OMCT achieves a specific energy absorption 4.1 times that of the control tubes. • A theoretical model predicts the crushing response with error below 15%. • Stable progressive collapse is maintained under low-speed and inclined loading.
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