A potential function method for three-dimensional asymmetric problems of piezoiher-moelasticity of hexagonal materials of crystal class 6 mm in cylindrical coordinates is proposed. The method employs two piezothermoelaslic potential functions, four piezoelastic potential functions, and a piezoelectric potential function. One of the piezother-moelastic potentials and the four piezoelastic potential functions are governed by simple uncoupled differential equations, which are derived from the stress equations of equilibrium and the equation of electrostatics. The remaining piezothermoelastic function and the piezoelectric potential function are expressed in terms of the previously obtained piezothermoelastic function. As an illustrative example, the problem of an infinite, thin piezothermoelastic plate subjected to axisymmetric surface heating is analyzed. Numerical results are obtained for the stresses and the electric potential in a cadmium selenide plate. The thermally induced stress distributions are com...
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