VIBRATION CONFINEMENT OF THICKNESS-SHEAR AND THICKNESS-TWIST MODES IN A FUNCTIONALLY GRADED PIEZOELECTRIC PLATE

查看全文 作　　者：Yanping Kong Jinxi [1]Liu

机构地区：[1]Department of Engineering Mechanics,Shijiazhuang Tiedao University,Shijiazhuang 050043,China

出　　处：《Acta Mechanica Solida Sinica》索引2011年第24卷第4期,共9页

基　　金：supported by the National Natural Science Foundation of China (No. 10972147);the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0971) 摘　　要：We analyze shear-horizontal vibrations of a functionally graded piezoelectric plate of polarized ceramics or crystals of 6mm symmetry.The material of the central portion of the plate is different from that of the rest of the plate.It is shown that when the material properties of the central portion and the rest of the plate satisfy certain conditions,there exist trapped thicknessshear and thickness-twist modes whose vibrations are mainly confined within the central portion and decay quickly outside the central portion.The effects of the functionally graded material properties on the behaviors of the trapped modes are examined. 关键词：厚度剪切功能梯度板振动扭曲模压电板材料性能水平振动部分和

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VIBRATION CONFINEMENT OF THICKNESS-SHEAR AND THICKNESS-TWIST MODES IN A FUNCTIONALLY GRADED PIEZOELECTRIC PLATE

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