Skins, possessing unique properties, are widely used in all industries. They take heavy loads, work in harsh environments and are exposed to the physical fields. It is necessary to assess the carrying capacity of thin-walled structures, taking into account the influence of fields and environments, as well as on the basis of revised relations theory of shells. The fragments of the history of the birth of the nonlinear theory of shells and membranes, a method of evaluating the mechanical

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... s and the evaluation approach of stress concen- tration in thin-walled elements of designs of complex structures. There have been new results on the effects of corrosion