Data/hora: 05/06/2024 18:17:18

Provedor de dados: 	Institutional Archive of Ifreme (ArchiMer)	
País: 	France	
Título: 	L'analyse structurale par methode d'elements finis d'une coque en composite	
Autores: 	Simeone, M; Davies, Peter.	
Data: 	1992-12	
Ano: 	1992	
Palavras-chave: 	Ship technology; Ship design; Ship hulls; Composite materials; Coque en composite; Sandwich; Eléments finis.	
Resumo: 	In the last two decades, the Finite Element Method has been growing as a powerful tool for the structural analysis of the ship hull, but in nautical construction the use of this method has been related mainly to steel or aluminium hulls. In a metallic structure the material is homogeneous and isotropic and the plate, or the stiffened plate, behaves as an orthotropic plate, which means orthogonally anisotropic with three mutually perpendicular planes of symmetry; on the contrary, when considering a composite hull panel the scheme ought to be different, because there arise two different problems, which ensue from the structural characteristics of the composite sandwich panel. Firstly, the Element Stiffness Matrix must take into account the natural anisotropy of the plate which is made by an overlap of several layers of different materials, such as glass, kevlar or carbon of different thickness and with different orientation. Each layer may be considered as homogeneous and orthotropic but the resulting composite panel is heterogeneous and anisotropic. The second problem which must be faced in applying the Finite Element Method to a composite hull ensues from the fact that the sandwich composite panel consists of two moulded skins firmly bonded to a core of plastic or aluminium honeycomb or of lightweight plastic foam. This configuration, making the entire panel an integral unit, gives a continuous support to the skins, allowing them to be stressed at and above the yield strength without buckling, and permits a very light core to carry the beam shear stresses.	
Tipo: 	Text	
Idioma: 	Francês	
Identificador: 	http://archimer.ifremer.fr/doc/1992/acte-1072.pdf	
Editor: 	Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1992	
Relação: 	http://archimer.ifremer.fr/doc/00000/1072/	
Formato: 	application/pdf