Abstract
A generalized variational principle and a parameterized generalized variational principle are obtained for large deformation analysis of circular cylinders by the semi-inverse method; all known variational principles in the literature are special cases of the obtained parameterized functional. In this approach, a trial functional is constructed with an energy-like integral involving an unknown function, which is identified step by step. The present paper provides a quite straightforward but rigorous tool to the construction of a variational principle for the shell or plate buckling.
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He, JH. Generalized variational principles for buckling analysis of circular cylinders. Acta Mech 231, 899–906 (2020). https://doi.org/10.1007/s00707-019-02569-7
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DOI: https://doi.org/10.1007/s00707-019-02569-7