Abstract

Abstract: The subject of the study are open circular cylindrical thin shells with two edges supported and two edges free. The elastic buckling and limit load of these shells in pure bending state are investigated. The study includes simple analytical description, numerical analysis with the use of the Finite Element Method (FEM), and laboratory tests for shells. The results of these three investigation methods are compared and presented in figures. The critical load and limit load for these shells are described in detail. Moreover, an analytical formula of critical stresses for open circular cylindrical thin shells in pure bending state is proposed. The main goal of the paper is comparison of the results of critical load values obtained by analytical, numerical (FEM), and experimental methods.

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