Surface/interface effect around a piezoelectric nano-particle in a polymer matrix under compressional waves

[摘要]：In this letter, the scattering of plane harmonic compressional wave around a nanosized piezoelectric particle is studied. The surface/interface model of Gurtin and Murdoch [Arch. Ration. Mech. Anal. 57, 291 (1975)] is extended to the coupling of stress and electric displacement. The results show that the scattering effect of compressional waves is significantly related to the coupling effect of surface/interface. For incident waves with different frequencies, the influence of surface energy on the dynamic stress and electric displacement around the piezoelectric particle is discussed in details. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3702780]

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