Parametryczna optymalizacja prętów mimośrodowo ściskanych w nawiązaniu do teorii wyboczenia pełzającego Kempnera-Hoffa

The optimal design problem with respect to technical creep buckling of eccentrically compressed bars is formulated. The buckling phenomenon is described by the Kempner-Hoff theory. Corectness of formulation, in the sense of criterion adopted, is proved in general. Considerations are restricted to parametrical optimization. It means that a value of cone slope parameter is determined in a given class of cone shaped bars in order to maximize the critical time. Constant volume of bar material as well as given loading are treated as optimization constrains.