Hybrid behaviors of RC metaslab combining bandgap and isolation for broadband vibration control

Choi, Jewoo; Hong, Taehoon; Lee, Dong-Eun; Cho, Tongjun; Park, Hyo Seon

doi:10.1016/j.ijmecsci.2024.109004

International Journal of Mechanical Sciences

2024

DOI: 10.1016/j.ijmecsci.2024.109004

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Hybrid behaviors of RC metaslab combining bandgap and isolation for broadband vibration control

Jewoo Choi,

Taehoon Hong,

Dong-Eun Lee

et al.

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2024

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Cited by 3 publications

References 58 publications

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Stair‐Stepping Mechanical Metamaterials with Programmable Load Plateaus

Zeng,

Liu,

et al. 2024

Adv Funct Materials

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Materials with target load plateaus offer the potential for developing innovative vibration suppression and isolation systems for applications such as satellite platforms, submarines, and electric vehicles. However, implementing these materials can pose significant challenges. In this study, stair‐stepping mechanical metamaterials with programmable load plateaus are presented, which are created via a three‐level (unit, module, and 3D object) construction strategy. The strategy inspired by the inverse design concept achieves tunability in the number and properties of load plateaus within the force–displacement profiles of the metamaterials. This approach even yields appealing stair‐stepping response patterns, as validated by experiments and finite element simulations. Promisingly, programming the unit from its initial configuration to a “zero stiffness” configuration enables these metamaterials excellent vibration isolation performance. Furthermore, two reversible methods are proposed for switching among various unit configurations, namely shape memory programming and supporting payload. This innovative design strategy for programmable load plateaus opens up new possibilities for creating metamaterials with customized force–displacement responses. It also provides opportunities to incorporate multimodal vibration isolation capabilities into precision devices.

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Stair‐Stepping Mechanical Metamaterials with Programmable Load Plateaus

Zeng,

Liu,

et al. 2024

Adv Funct Materials

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Mechanisms of multi-bandgap inertial amplification applied in metamaterial sandwich plates

Gao,

Mak,

et al. 2024

International Journal of Mechanical Sciences

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Meta-arch structure: Designed reinforcement cage to enhance vibration isolation performance

Sun,

An,

Jiang

et al. 2024

International Journal of Mechanical Sciences

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Hybrid behaviors of RC metaslab combining bandgap and isolation for broadband vibration control

Cited by 3 publications

References 58 publications

Stair‐Stepping Mechanical Metamaterials with Programmable Load Plateaus

Stair‐Stepping Mechanical Metamaterials with Programmable Load Plateaus

Mechanisms of multi-bandgap inertial amplification applied in metamaterial sandwich plates

Meta-arch structure: Designed reinforcement cage to enhance vibration isolation performance

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