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Latin American Journal of Solids and Structures

versão On-line ISSN 1679-7825

Resumo

KHEDMATI, Mohammad Reza; SANGTABI, Mohammad Rezai  e  FAKOORI, Mehdi. Stacking sequence optimisation of composite panels subjected to slamming impact loads using a genetic algorithm. Lat. Am. j. solids struct. [online]. 2013, vol.10, n.5, pp.1043-1060. ISSN 1679-7825.  http://dx.doi.org/10.1590/S1679-78252013000500010.

Optimisation of stacking sequence for composite panels under slamming impact loads using a genetic algorithm method is studied in this paper. For this purpose, slamming load is assumed to have a uniform distribution with a triangular-pulse type of intensity function. In order to perform optimisation based on a genetic algorithm, a special code is written in MATLAB software environment. The optimiser is coupled with the commercial software ANSYS in order to analyse the composite panel under study and calculate the central deflection. After validation, different cases of stacking sequence optimisation are investigated for a variety of composite panels. The investigations include symmetric as well as asymmetric conditions of stacking sequence. Results obtained from these analyses reveal the fact that the adopted approach based on a genetic algorithm is highly capable of performing such optimisations.

Palavras-chave : Composite Panel; Stacking Sequence; Slamming Impact Load; Optimisation; Genetic Algorithm (GA); Finite Element Analysis (FEA).

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