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V Међународна конференција ''Безбједност саобраћаја у локалној заједници''

27 - 28.10.2016.

Sizing optimization of parametrically designed trusses

Аутори:
1. Nenad Petrović, Факултет инжењерских наука Универзитета у Крагујевцу, Serbia
2. Nenad Marjanović, Факултет инжењерских наука Универзитета у Крагујевцу, Serbia
3. Nenad Kostic, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
4. Mirko Blagojević, Факултет инжењерских наука Универзитета у Крагујевцу, Serbia
5. Miloš Matejić, Факултет инжењерских наука Универзитета у Крагујевцу, Serbia


Апстракт:
In this paper parametric modeling of sizing optimization truss models is developed. Sizing optimization of trusses views element cross-sections as variables with the goal of minimizing overall mass while maintaining equivalent stresses within acceptable ranges, as well as limiting displacement. In order to conduct such a process, models needs to be created with parameters, and outputs which can be used to create an objective function. Furthermore the models in each iteration of the optimization are subjected to finite element analyses to determine stress. Parametric models of standard 10 bar, 17 bar, and 25 bar trusses are created to facilitate optimization. The heuristic optimization method used is genetic algorithm. Optimization results obtained from these models are compared to those from literature and the initial model.

Кључне речи:
truss,sizing optimization,parametric model,genetic algorithm

Тематска област:
Производне и рачунаром подржане технологије

Датум пријаве сажетка:
27.02.2017.

Конференцијa:
13th International Conference on Accomplishments in Mechanical and Industrial Engineering

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