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Information × Registration Number 0211U007286, 0108U000684 , R & D reports Title Mathematical modeling, calculation and optimization of production of polyethylene elements for constructions of cellular structure with the effective economy of material popup.stage_title Head Maksumyk Oleksandr Vasulovych, Registration Date 12-04-2011 Organization Lviv State Academy of Finance popup.description2 90 pages, 3 tables, 22 schemes, 2 appendixes, 36 sources. The optimal projects of a cellular structure of a pipe made of polymeric material of a minimum material consumption and maximum ring stiffness were investigated in the paper. We worked out mathematical models for the optimization of a cellular structure of a pipe wall in order to calculate them in an elastic medium with rational strengthening by elastic rings and we obtained calculation formulas for resistance assessment of cellular polymeric pipes according to their effective characteristics. Product Description popup.authors Васильків Іван Миколайович Верба Ірина Іванівна Ковалишин Ірина Зенонівна Максимук Олександр Васильович Марчук Марія Михайлівна Марчук Михайло Васильвич Махніцький Роман Миколайович Пасічник Галина Романівна Попович Василь Степанович Стащук Микола Григорович Шкулка Світлана Корніївна popup.nrat_date 2020-04-02 Close