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Latin American Journal of Solids and Structures

versão On-line ISSN 1679-7825

Resumo

MORSHEDSOLOUK, Fattaneh  e  KHEDMATI, Mohammad Reza. Parametric study on average stress-average strain curve of composite stiffened plates using progressive failure method. Lat. Am. j. solids struct. [online]. 2014, vol.11, n.12, pp.2203-2226. ISSN 1679-7825.  https://doi.org/10.1590/S1679-78252014001200005.

The post-buckling behavior of composite ships' stiffened plate panels has been studied. In this study, the average strain- average stress curves for these panels are derived using progressive failure method as well as nonlinear finite element method. The boundary conditions are appropriate for the continuous plate panels used in shipbuilding. The effects of the aspect ratio, initial geometrical imperfection and stiffener size on the post-buckling of these stiffened panels are evaluated

Palavras-chave : Progressive failure analysis; hat stiffened plate panel; initial imperfection; Finite Element Method.

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