| EDGE SINGULARITY OF BONDED PIEZOELECTRIC MATERIALS WITH REPEATED EIGENVALUES |
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| 作者姓名： | 王效贵 许金泉 |
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| 作者单位： | Department of Mechanics，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | Project (19972 0 6 0 )supportedbyNaturalScienceFoundationofChina . |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＩｔｉｓｗｅｌｌｋｎｏｗｎｔｈａｔｓｔｒｅｓｓｓｉｎｇｕｌａｒｉｔｙｍａｙａｒｉｓｅａｔｔｈｅｉｎｔｅｒｆａｃｅｅｄｇｅｏｆｂｏｎｄｅｄｄｉｓｓｉｍｉｌａｒｍａｔｅｒｉａｌｓ.Ｄｕｅｔｏｔｈｅｉｎｔｒｉｎｓｉｃｅｌｅｃｔｒｏｅｌａｓｔｉｃｃｏｕ ｐｌｉｎｇｂｅｈａｖｉｏｒ,ｔｈｅｓｔｒｅｓｓｓｉｎｇｕｌａｒｉｔｙｗｉｌｌｌｅａｄｔｏｔｈｅｓｉｎｇｕｌａｒｂｅｈａｖｉｏｒｏｆｔｈｅｅｌｅｃｔｒｉｃｄｉｓｐｌａｃｅ ｍｅｎｔ.Ｄｉｎｇｅｔａｌ.( 1 996)ｄｅｄｕｃｅｄｔｈｅｇｅｎｅｒ…
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EDGE SINGULARITY OF BONDED PIEZOELECTRIC MATERIALS WITH REPEATED EIGENVALUES |
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| WANG Xiao-gui,XU Jin-quan.EDGE SINGULARITY OF BONDED PIEZOELECTRIC MATERIALS WITH REPEATED EIGENVALUES[J].Journal of Zhejiang University Science,2001(2). |
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| Authors: | WANG Xiao-gui XU Jin-quan |
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| Abstract: | In piezoelectric problems, the form of the general solution is dependent on the eigenvalues of the material. The singular stress field and electrical displacement field near the interface edge were deduced in this study. The results showed that the stress field and the electrical displacement field have the same singularity; and that the singularity depends not only on the mechanical properties and shape of the interface edge, but also on the piezoelectric properties of the composite material. |
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| Keywords: | piezoelectric material axisymmetric interface edge singularity electrical displacement |
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