The translation of a rigid ellipsoidal inclusion embedded in an anisotropic piezoelectric medium

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

A rigid ellipsoidal inclusion is perfectly bonded to a surrounding piezoelectric medium of infinite extent, and is translated infinitesimally by an externally imposed force. We show that the resulting exterior fields are equivalent to those induced by a layer of body force and electric charge applied over the ellipsoidal surface. Without having to solve the governing equations of equilibrium, we find directly the relation between the force and translation vectors, together with the stress, strain, rotation tensor and electric fields just outside the inclusion. Gaussian double quadratures with variable station points are employed in the numerical computations. Results are presented for two piezoelectric ceramics, GaAs and PZT-6B, to show the effect of the aspect ratio of the spheroid on the translational stiffness. This work extends the results of Walpole L. J. (1991b) Proc. R. Soc. London A434, 571-585 to piezoelectric media.

原文English
頁(從 - 到)891-902
頁數12
期刊International Journal of Solids and Structures
31
發行號6
DOIs
出版狀態Published - 1994 3月

All Science Journal Classification (ASJC) codes

  • 建模與模擬
  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業
  • 應用數學

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