Tunable Wave Dispersion in 3D Woodpile Mechanical Metamaterials

机译：3D木桩机械超材料中的可调波色散

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We numerically and experimentally investigate the nonlinear wave dispersion in 3D woodpile periodic structures consisting of slender cylindrical rods. The slender rods have low frequency resonance modes that are coupled with the propagating wave. Depending on the coupling of local modes, the propagating waveform in woodpile can change significantly. Also, the wave dispersion in temporal and spatial domain depends significantly on the mode coupling. The coupling of the local modes can be tuned by adjusting the architecture of the woodpile.

机译：我们通过数值和实验研究了由细长圆柱杆组成的3D木桩周期性结构中的非线性波色散。细长杆具有与传播波耦合的低频共振模式。根据局部模式的耦合，木桩中的传播波形会发生显着变化。而且，时域和空间域中的波色散很大程度上取决于模式耦合。可以通过调整柴堆的结构来调整局部模式的耦合。

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来源
《2014 International Symposium on Optomechatronic Technologies》|2014年|4-6|共3页
会议地点 Seattle WA(US)
作者
Eunho Kim; Yong Han; Kim Noel; Jinkyu Yang;
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作者单位

William E. Boeing Dept. of Aeronaut. Astronaut., Univ. of Washington, Seattle, WA, USA;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
metamaterial; periodic woodpile; tunable wave propagation;

机译：超材料;周期木桩;可调波传播;

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4. Tunable Wave Dispersion in 3D Woodpile Mechanical Metamaterials [C] . Eunho Kim, Yong Han, Kim Noel, International Symposium on Optomechatronic Technologies . 2014

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Tunable Wave Dispersion in 3D Woodpile Mechanical Metamaterials

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