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Extension, Torsion, Bending, Pressuring, and Shearing of Piezoelectric Circular Cylinders with Radial Inhomogeneity

Department of Civil Engineering, National Cheng Kung University, Tainan 70101, Taiwan, Republic of China, jqtarn{at}mail.ncku.edu.tw

Hsi-Hung Chang

Department of Civil Engineering, National Cheng Kung University, Tainan 70101, Taiwan, Republic of China

Thermoelectroelastic analysis of piezoelectric circular cylinders under extension, torsion, bending, pressuring, shearing, and temperature changes is presented. Referring to the cylindrical coordinates, the material is radially inhomogeneous and cylindrically anisotropic. Exact solutions are obtained for generalized plane problems of the piezoelastic cylinder with power-law radial inhomogeneity. For arbitrary radial inhomogeneity, two viable solution schemes are suggested. The analysis is useful for studying the responses of cylindrically anisotropic bodies of functionally graded materials subjected to thermoelectromechanical loading.

Key Words: bending • extension • torsion • piezoelectric materials • functionally graded materials • cylindrical anisotropy • radial inhomogeneity

Journal of Intelligent Material Systems and Structures, Vol. 16, No. 7-8, 631-641 (2005)
DOI: 10.1177/1045389X05048144


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