STATIC BUCKLING OF CIRCULAR CYLINDRICAL PIEZOELECTRIC SHELLS BASED ON HIGHER ORDER THEORIES

Document Type : Article

Authors

Dept. of Mechanical Engineering Khaje Nasir Toosi University

Abstract

In this paper, static buckling of piewelectric cylin­ drieal shells is investigated using a higher order the­ ory. Thus, in contrast to the classieal theory, trans­ verse shear stresses are also considered . The pro­ posed fonnulations can be used for both thin and thick shells. Influences of the initial deformat ions, that are assumed to be in the radial direction, are considered in the formulations. Sinee a Hermition element is used in the present analysis, displacement -based, as well as stress -based, boundary conditions can be applied. Finally, influence of the applied eleetrical potential on the inner and outer surfaces of the piezoelectric cylindrical shell is investigated on the buckling load.

Keywords