20 October 2009 Circumferential SH waves in functionally graded piezoelectric hollow cylinders
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Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74936G (2009) https://doi.org/10.1117/12.837134
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China
Abstract
Based on linear three-dimensional piezoelasticity, the Legendre polynomial approach is used for determining the characteristics of circumferential SH waves in transversely isotropic hollow cylinders composed of functionally graded piezoelectric materials (FGPM) with axial polarization and open circuit. Circumferential SH wave dispersion curves, displacement and electric potential distributions in FGPM hollow cylinders under different gradient fields and different ratios of radius to thickness are calculated. The effect of piezoelectricity on dispersion curves and displacement distributions is shown. The influence of the ratio of radius to thickness on the circumferential SH wave characteristics is discussed. Piezoelectricity can change the extent of the dispersion of the circumferential SH waves in FGPM hollow cylinders. The changing extent is influenced obviously by the ratios of radius to thickness. The ratio also has a significantly influence on the electric potential distribution.
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Jiangong Yu, Tonglong Xue, Xiaoming Zhang, "Circumferential SH waves in functionally graded piezoelectric hollow cylinders", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74936G (20 October 2009); doi: 10.1117/12.837134; https://doi.org/10.1117/12.837134
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