期刊
COMPOSITE STRUCTURES
卷 92, 期 7, 页码 1603-1613出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2009.11.023
关键词
Structural reliability; Laminated composite structures; Artificial neural networks
资金
- CNPq
- CAPES
Saving of computer processing time on the reliability analysis of laminated composite structures using artificial neural networks is the main objective of this work. This subject is particularly important when the reliability index is a constraint in the optimization of structural performance, because the task of looking for an optimum structural design demands also a very high processing time. Reliability methods. such as Standard Monte Carlo (SMC), Monte Carlo with Importance Sampling (MC-IS), First Order Reliability Method (FORM) and FORM with Multiple Check Points (FORM-MCPs) are used to compare the solution and the processing time when the Finite Element Method (FEM) is employed and when the finite element analysis (FEA) is substituted by trained artificial neural networks (ANNs). Two ANN are used here: the Multilayer Perceptron Network (MPN) and the Radial Basis Network (RBN). Several examples are presented, including a shell with geometrically non-linear behavior, which shows the advantages using this methodology. (C) 2009 Elsevier Ltd. All rights reserved.
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