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Postbuckling analysis of stiffened laminated panel. (English) Zbl 0683.73023

Summary: An analytical-numerical procedure is applied to investigate the post- buckling behavior of a composite laminated stiffened panel. The panel is modeled by plate elements for which the nonlinear equations are derived (via a variational principle) in terms of the lateral displacement and Airy stress function, and treated by resolving the variables into eigenfunctions in conjunction with a finite-difference scheme.

MSC:

74G60 Bifurcation and buckling
74S30 Other numerical methods in solid mechanics (MSC2010)
74E30 Composite and mixture properties
74K20 Plates
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