The out-of-plane stability of tapered cross-sectioned thin curved beams underuduniformly distributed radial loading is investigated by using the Finite Element Method.udSolutions referred to as Bolotin’s approach are investigated for the dynamic stability analysis and the first unstable regions are examined. Out-of-plane vibrations and out-plane buckling analyses are also considered. In addition, the results obtained in this study are compared with the results of other investigators in existing literature for the fundamental frequency and critical lateral buckling load. The effects of subtended angle, variations of cross-section and dynamic load parameter on the stability regions are shown in graphics.
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