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Title: Effects of introducing dynamic constraints for buckling to truss sizing optimization problems
Authors: Petrovic, Nenad
Marjanovic, Nenad
Kostic, Nenad
Blagojevic, Mirko
Matejic, Milos
Troha S.
Journal: FME Transactions
Issue Date: 1-Jan-2018
Abstract: © Faculty of Mechanical Engineering, Belgrade. In this paper the effects of adding buckling constraints to truss sizing optimization for minimizing mass are investigated. Introduction of buckling testing increases the complexity of the optimization process as Euler buckling criteria changes with each iteration of the optimization process due to the changes in element cross section dimensions. The resulting models which consider this criteria are practically applicable. For the purposes of showing the effects of dynamic constraints for buckling, optimal parametric standard test models of 10 bar, 17 bar, and 25 bar trusses from the literature are tested for buckling and compared to the models with the added constraint. Models which do not consider buckling criteria have a considerable number of elements which do not meet buckling criteria. The masses of these models are substantially smaller than their counterparts which consider buckling.
Type: article
DOI: 10.5937/fmet1801117P
ISSN: 14512092
SCOPUS: 85042724544
Appears in Collections:Faculty of Engineering, Kragujevac

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