Abstract In this research work. an exact analytical solution for frequency characteristics of the free vibration of rotating functionally graded material (FGM) truncated conical shells reinforced by eccentric FGM stringers and rings has been investigated by the displacement function method. Material properties of shell and stiffeners are assumed to be graded in the thickness direction... https://unitedssports.shop/product-category/cyclist-accessories-triathlon-mens-triathlon/