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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：船舶工程学院
学科：船舶与海洋结构物设计制造. 水声工程
办公地点：综合实验2号楼507房间
联系方式：shengli [at] dlut.edu.cn；0411-84706702；116024 辽宁省大连市凌工路2号大连理工大学船舶工程学院
Generating ultra wide low-frequency gap for transverse wave isolation via inertial amplification effects
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论文类型：期刊论文
发表时间：2018-02-06
发表刊物：PHYSICS LETTERS A
收录刊物：SCIE、Scopus
卷号：382
期号：5
页面范围：241-247
ISSN号：0375-9601
关键字：Transverse wave; Low-frequency gap; Ultra-wide bandwidth; Inertial amplification
摘要：Low-frequency transverse wave propagation plays a significant role in the out-of-plane vibration control. To efficiently attenuate the propagation of transverse waves at low-frequency range, this letter proposed a new type phononic beam by attaching inertial amplification mechanisms on it. The wave propagation of the beam with enhanced effective inertia is analyzed using the transfer matrix method. It is demonstrated that the low-frequency gap within inertial amplification effects can possess much wider bandwidth than using the local resonance method, thus is more suitable for designing applications to suppress transverse wave propagation. (C) 2017 Elsevier B.V. All rights reserved.