Prediction of Postbuckling Characteristics of Perforated Metamaterial Cylindrical Shells Under Axial Compression

Cao, Xueqing; Guo, Jianyi; Li, Yongqi; Zhang, Zuo‐Feng; Zhou, Zhenhuan; Sun, Jiabin; Xü, Xinsheng; Lim, C.W.

doi:10.1007/s10338-023-00378-z

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Pattern Transformation Metamaterials1

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2023

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“…The pattern transformation, therefore, has properties such as tunable stiffness and tunable negative Poisson's ratio. The negative Poisson's ratio induced by the pattern transformation plays a key role and there is a critical effective threshold that generates the waisted buckling mode (Cao et al, 2023). Real-time tunable negative stiffness mechanical metamaterial has been designed with multistage pattern transformation for excellent performance in vibration isolation and energy absorption efficiency (Tan et al, 2020).…”

Section: Pattern Transformation Metamaterialsmentioning

confidence: 99%

A review on the mechanical metamaterials and their applications in the field of biomedical engineering

Wang,

Lyu,

Bosiakov

et al. 2023

Front. Mater.

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Metamaterials are a group of materials/structures which possess novel behaviors not existing in nature. The metamaterials include electromagnetic metamaterials, acoustic metamaterials, mechanical metamaterials, etc. among which the mechanical metamaterials are widely used in the field of biomedical engineering. The mechanical metamaterials are the ones that possess special mechanical behaviors, e.g., lightweight, negative Poisson’s ratio, etc. In this paper, the commonly used mechanical metamaterials are reviewed and their applications in the field of biomedical engineering, especially in bone tissue engineering and vascular stent, are discussed. Finally, the future perspectives of this field are given.

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Section: Pattern Transformation Metamaterialsmentioning

confidence: 99%