Line Force, Charge, and Dislocation in Anisotropic Piezoelectric Composite Wedges and Spaces

[+] Author and Article Information
M. Y. Chung, T. C. T. Ting

Department of Civil and Materials Engineering, University of Illinois at Chicago, 842 W. Taylor Street (M / C 246), Chicago, IL 60607-7023

J. Appl. Mech 62(2), 423-428 (Jun 01, 1995) (6 pages) doi:10.1115/1.2895948 History: Accepted June 08, 1994; Received June 08, 1994; Online October 30, 2007


Two-dimensional problems of anisotropic piezoelectric composite wedges and spaces are studied. The Stroh formalism is employed to obtain the basic real-form solution in terms of two arbitrary constant vectors for a particular wedge. Explicit real-form solutions are then obtained for (i) a composite wedge subjected to a line force and a line charge at the apex of the wedge and (ii) a composite space subjected to a line force, line charge, line dislocation, and an electric dipole at the center of the composite space. For the composite wedge the surface traction on any radial plane θ = constant and the electric displacement D θ normal to the radial plane θ = constant vanish everywhere. For the composite space these quantities may not vanish but they are invariant with the choice of the radial plane.

Copyright © 1995 by The American Society of Mechanical Engineers
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