PROPAGATION BEHAVIORS OF SHEAR HORIZONTAL WAVES IN PIEZOELECTRIC-PIEZOMAGNETIC PERIODICALLY LAYERED STRUCTURES

被引：0
作者：
Jinxi Liu1 Weiyi Wei2 Daining Fang2(1Department of Engineering Mechanics
机构：
来源：
Acta Mechanica Solida Sinica | 2010年 / 23卷 / 01期
基金：
中国国家自然科学基金;
关键词：
piezoelectric material; piezomagnetic material; periodically layered structure; SH waves; stop band effect; dispersion relation;
D O I：
暂无
中图分类号：
O482.1 [力学性质与声学性质];
学科分类号：
070205 ; 0805 ; 080502 ; 0809 ;
摘要：
This paper investigates shear horizontal(SH) waves propagating in a periodically layered structure that consists of piezoelectric(PE) layers perfectly bonded with piezomagnetic(PM) layers alternately.The explicit dispersion relations are derived for the two cases when the propagation directions of SH waves are normal to the interface and parallel to the interface,respectively.The asymptotic expressions for dispersion relations are also given when the wave number is extremely small.Numerical results for stop band effect and phase velocity are presented for a periodic system of alternating BaTiO3 and Terfenol-D layers.The influence of volume fraction on stop band effect and dispersion behaviors is discussed and revealed.
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页码：77 / 84
页数：8
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