Dynamic stability of a lossy locally resonant metamaterial panel in supersonic flow

Pengtao Shi,Zhaolin Chen,Yanlong Xu,Yingsong Gu,Feng Liu,Zhichun Yang

Thin-Walled Structures（2024）

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摘要

•The dynamic stability of a lossy locally resonant metamaterial panel (LLRMP) in supersonic flow is studied.•The impact of bandgap and metadamping properties on the dynamic stability of LLRMP is discussed.•The instability frequency mainly affected by the bandgap position is revealed.•The instability dynamic pressure mainly affected by the metadamping is expounded.•The ability of LLRMP in changing the critical instability dynamic pressure is investigated.

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关键词

Locally resonant metamaterial,Bandgap,Metadamping,Fluid-structure interaction,Dynamic stability

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