Baukastensystem für CFK-Fachwerkstrukturen – Diskrete Optimierung der Strebenquerschnitte

DS 98: Proceedings of the 30th Symposium Design for X (DFX 2019), 18-19 September 2019, Jesteburg, Germany

Year: 2019
Editor: Dieter Krause; Kristin Paetzold; Sandro Wartzack
Author: Simon Walbrun; Sandro Wartzack
Series: DfX
Institution: Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
Section: Leichtbau
Page(s): 97-108
DOI number: https://doi.org/10.35199/dfx2019.9

Abstract

Fiber-reinforced plastics have a high potential for lightweight structures due to their high specific strength and stiffness. A modular system enables a reduction of the manufacturing costs for trusses by standardizing the components. The subdivision of the truss struts into groups and the selection of the profiles for the strut groups can be done by optimization with a genetic algorithm and the initial population generation by the bisection method. The proposed method reduces the number of necessary iterations and improves the optimum in comparison to the previous descriptions.

Keywords: Genetic algorithms; Initial population; Optimization; Self-adaptive member grouping

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