Engineering Transactions, 41, 3-4, pp. 381-394, 1993

Optimization of Thin-Walled Girders in Probabilistic Formulation

T. Gibczyńska
Rzeszów University of Technology, Rzeszów

P. Bereza
Rzeszów University of Technology, Rzeszów

This paper presents, in a probabilistic formulation, the optimization method of box and I-beams subjected to bending. Dimensions of the girder, material constants and the bending moment random variables. The minimum area of the cross-section is assumed as the objective function. The conditions of strength and of local and global stability represent the constraints. The examples of calculations serve as a basis for comparative analysis of the results obtained and the results of deterministic optimization.

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