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Influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces
Guo X; Wei PJ(魏培君); Li L; Tang QH(汤奇恒); Wei, PJ (reprint author), Univ Sci & Technol Beijing, Dept Appl Mech, Beijing 100083, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
2015-06-15
Volume63Pages:184-205
ISSN0020-7683
AbstractThe influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces are studied in this paper. First, the secular equations in the traverse isotropic piezoelectric half space are derived from the general dynamic equation. Then, six kinds of imperfect interfaces are considered. These imperfect interfaces include: the mechanically compliant, dielectrically weakly conducting imperfect interface; the mechanically compliant, dielectrically highly conducting imperfect interface; the grounded metallized interface and the low-dielectric interface and their mechanical counterpart, namely, the fixed interface and the slippery interface. These imperfect interface conditions are required to be satisfied by four sets of waves, namely, the quasi-longitudinal wave (QP), the quasi-transverse wave (QSV), the shear horizontal wave (SH) which is decoupled to other waves and the electric-acoustic wave (EA). The algebraic equations resulting from the imperfect interface conditions are solved to obtain the amplitude ratio of various waves and furthermore the reflection and transmission coefficients in terms of the energy flux ratio. The numerical results are obtained for the incident QP wave, the incident QSV wave and the incident SH wave and are validated by the energy conservation principle. The effects of these imperfect interfaces are discussed based on the numerical results. The present study provides useful information for the detection of imperfect interface. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordImperfect Interface Piezoelectricity Reflection Transmission Energy Flux
DOI10.1016/j.ijsolstr.2015.02.050
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000355359400015
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationNational Natural Science Foundation of China [10972029] ; State Key Laboratory of Nonlinear Mechanics (LNM)
DepartmentLNM固体物理力学
Classification一类/力学重要期刊
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/54964
Collection非线性力学国家重点实验室
Corresponding AuthorWei, PJ (reprint author), Univ Sci & Technol Beijing, Dept Appl Mech, Beijing 100083, Peoples R China.
Recommended Citation
GB/T 7714
Guo X,Wei PJ,Li L,et al. Influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces[J]. INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES,2015,63:184-205.
APA Guo X,魏培君,Li L,汤奇恒,&Wei, PJ .(2015).Influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces.INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES,63,184-205.
MLA Guo X,et al."Influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces".INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES 63(2015):184-205.
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