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Optimal laminations of thin underwater composite cylindrical vessels ArchiMer
Messager, Tanguy; Pyrz, Mariusz; Gineste, Bernard; Chauchot, Pierre.
This paper deals with the optimal design of deep submarine exploration housings and autonomous underwater vehicles. The structures under investigation are thin-walled laminated composite unstiffened vessels. Structural buckling failure due to the high external hydrostatic pressure is the dominant risk factor at exploitation conditions. The search of fiber orientations of the composite cylinders that maximize the stability limits is investigated. A genetic algorithm procedure coupled with an analytical model of shell buckling has been developed to determine numerically optimized stacking sequences. Characteristic lamination patterns have been obtained. FEM analyses have confirmed the corresponding significant increases of buckling pressures with respect to...
Tipo: Text Palavras-chave: Experimental results; Optimal design; Buckling; Lamination; Cylinder; Composite.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/publication-759.pdf
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