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Probabilistic multi-objective optimization of a corrugated-core sandwich structure
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  • Journal title : Geomechanics and Engineering
  • Volume 10, Issue 6,  2016, pp.709-726
  • Publisher : Techno-Press
  • DOI : 10.12989/gae.2016.10.6.709
 Title & Authors
Probabilistic multi-objective optimization of a corrugated-core sandwich structure
Khalkhali, Abolfazl; Sarmadi, Morteza; Khakshournia, Sharif; Jafari, Nariman;
 Abstract
Corrugated-core sandwich panels are prevalent for many applications in industries. The researches performed with the aim of optimization of such structures in the literature have considered a deterministic approach. However, it is believed that deterministic optimum points may lead to high-risk designs instead of optimum ones. In this paper, an effort has been made to provide a reliable and robust design of corrugated-core sandwich structures through stochastic and probabilistic multi-objective optimization approach. The optimization is performed using a coupling between genetic algorithm (GA), Monte Carlo simulation (MCS) and finite element method (FEM). To this aim, Prob. Design module in ANSYS is employed and using a coupling between optimization codes in MATLAB and ANSYS, a connection has been made between numerical results and optimization process. Results in both cases of deterministic and probabilistic multi-objective optimizations are illustrated and compared together to gain a better understanding of the best sandwich panel design by taking into account reliability and robustness. Comparison of results with a similar deterministic optimization study demonstrated better reliability and robustness of optimum point of this study.
 Keywords
sandwich structure;corrugated core;optimization;probabilistic;genetic algorithm;finite element method;
 Language
English
 Cited by
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