Structural Mechanics of Engineering Constructions and BuildingsStructural Mechanics of Engineering Constructions and Buildings1815-52352587-8700Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)11139SEARCHING THE RATIONAL PARAMETERS OF BAR STEEL structures BASED ON ADAPTIVE EVOLUTIONARY MODELALEKSEYTSEVA Vaalexw@mail.ruKurchenkoN Saalexw@mail.ru15032011371412092016Copyright © 2016, Structural Mechanics of Engineering Constructions and Buildings2016An iterative optimization scheme of metal beam structures is developed with using a genetic algorithm with alternative ways of forming populations and adaptive mutation operator, crossover and inversion. This algorithm allows solving large problems to avoid occurrence of "empty" populations, has a relatively low complexity and provides opportunity to obtain new rational decisions. Theparametric optimizationgenetic algorithmadaptive operatorsmutationcrossoverinversionпараметрическая оптимизация, генетический алгоритм, адаптивные операторы, мутация, кроссинговер, инверсияпараметрическая оптимизациягенетический алгоритмадаптивные операторымутациякроссинговеринверсия