Highly asymmetric interaction forces induced by acoustic waves in coupled plate structures

Highly asymmetric interaction forces induced by acoustic waves in coupled plate structures
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耦合板结构中声波引起的高度不对称相互作用力

DOI:
10.1063/1.4939180
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发表时间:
2015-07
影响因子:
3.2
通讯作者:
Liu Zhengyou
Liu Zhengyou
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Fan Xiying;Qiu Chunyin;Zhang Shenwei;Ke Manzhu;Liu Zhengyou

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当耦合结构受到外部声波的刺激时,结构之间会产生相互作用力。在这项工作中,我们提出了两个耦合板状结构之间不对称相互作用的概念,这些结构是由相反方向入射的平面波产生的。除了不同入射波产生的相互作用强度之间的显著差异外,由于弯曲板模式的共振激励,这些入射波中的一个所引起的相互力可以被调谐得非常强。高度不对称的相互作用增强了单侧的强度,在超声波仪器和传感器的设计等应用中具有潜在的用途。
Mutual forces can be induced between coupled structures when the structures are stimulated by external acoustic waves. In this work, we propose a concept for asymmetric interaction between two coupled plate-like structures generated by plane waves that are incident in opposite directions. In addition to the striking contrast between the interaction strengths produced by the different incident waves, the mutual force induced by one of these incident pairs can be tuned extremely strongly because of the resonant excitation of the flexural plate modes. The highly asymmetric interaction with enhanced strength on a single side is potentially useful in applications such as the design of ultrasound instruments and sensors.
DOI: 10.1063/1.4919218
发表时间: 2015-01
期刊: arXiv: Classical Physics
影响因子: --
作者:
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