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磁电弹板双材料板中厚度-扭曲波的传播
  • ISSN号：0459-1879
  • 期刊名称：《力学学报》
  • 时间：0
  • 分类：O34[理学—固体力学;理学—力学]
  • 作者机构：[1]石家庄铁道大学工程力学系,石家庄050043, [2]石家庄铁道大学土木工程学院,石家庄050043
  • 相关基金：国家自然科学基金（10972147）; 长江学者和刨新团队发展计划（IRT0971）资助项目
作者： 孔艳平[1], 杨茜[2], 刘金喜[1]
关键词： 磁电弹材料, 压电材料, 压磁材料, 厚度扭曲波, 振动, magneto-electro-elastic material, piezoelectric material, piezomagnetic material, thickness-twist wave, vibration
中文摘要：

研究了磁电弹双材料板（板的上下表面是机械自由、电学开路和磁学短路的）中厚度-扭曲波的传播.基于磁电弹全耦合的本构方程,首先推导了厚度扭曲波传播的一般解,然后利用边界条件和界面条件得到了频率方程.数值算例分析了压电（BaTiO_3）-压磁（CoFe_2O_4）双材料板中厚度扭曲波传播时,位移、电势和磁势的变化特征以及模态数与几何尺寸的关系.

英文摘要：

This paper is concerned with the thickness-twist waves propagating in an infinite magneto-electroelastic bi-material plate.The upper and lower surfaces of the plate are assumed to be mechanically free, electrically open and magnetically closed.Based on the fully coupled magneto-electro-elastic constitutive relations, the general solutions of the thickness-twist waves are first derived.Then the frequency equations are obtained by using the boundary conditions and interfacial conditions.As an example,for the propagation of the thickness-twist waves in the bi-material plate consisting of BaTiO_3 and CoFe_2O_4,the distributions of the displacement,electrical potential and magnetic potential are obtained.The dependence of the number of trapped modes on the geometric size is also given.The theoertical results are useful for the design of plate resonators,filters and acoustic wave devices with magneto-electric effect.

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期刊信息
  • 《力学学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国力学学会 中国科学院力学研究所
  • 主编：魏悦广
  • 地址：北京市海淀区北四环西路15号中科院力学所内《力学学报》
  • 邮编：100190
  • 邮箱：lxxb@cstam.org.cn
  • 电话：010-62536271
  • 国际标准刊号：ISSN：0459-1879
  • 国内统一刊号：ISSN：11-2062/O3
  • 邮发代号:2-814
  • 获奖情况:
  • 1992年首届自然科技期刊一等奖,1996年国家自然科技期刊二等奖,2000年首届国家期刊奖
  • 国内外数据库收录:
  • 美国数学评论（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:13332