RESEARCH ON MRE CONTROL PROPAGATION OF ACOUSTIC WAVES IN PHONONIC CRYSTAL

被引：0
|
作者：
Zhang, Min [1 ]
Du, Jian-ke [1 ]
Wang, Ji [1 ]
机构：
[1] Ningbo Univ, Sch Mech Engn & Mech, Ningbo 315211, Zhejiang, Peoples R China
来源：
PROCEEDINGS OF 2016 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES, AND DEVICE APPLICATIONS (SPAWDA) | 2016年
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Phononic crystal; MRE; Magnetic field; Finite element method;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, acoustic waves in a phononic crystal which consists of MRE and PMMA periodic structure is studied. At the experimental stage, the bandgap of the phononic crystal designed by ourselves is recorded under different magnetic fields measured of Gauss meter. LMS is used to send, receive and process the experimental data. Finite element method is used to analyze the band gap of the acoustic waves in phononic crystal and the results are verified by experiments. The propagation of acoustic waves can be affected by the MRE whose storage modulus influenced by the magnetic field, which means, the band gap can be tuned by changing the magnetic field intensity.
引用
收藏
页码：411 / 414
页数：4
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