Abstract

It is well known that when a curved beam is subject to bending, the shape of its cross section is flattened and collapse occurs as the rigidity is reduced. It is important for design determine their nonlinear behavior. This paper describes the elastic-plastic large deformation analysis of a curved beam with a thin walled cross section by the finite element method. The analytical formulation is developed by extending the kinematic work hardening model preposed by Ziegler. Several representative cases are computed.

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