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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Multilayers Plates Buckling by Mixed Finite Elements
Author(s)
Roberto S. Carnicer, Braian A. Desía and Rodolfo A. Schwarz
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DOI:10.17265/1934-7359/2017.10.005
Affiliation(s)
Faculty of Engineering, University of Belgrano, Buenos Aires C1059ABQ, Argentina
ABSTRACT
It is presented a
buckling analysis of multilayered plates by the finite elements method with
mixed unknowns (displacement and rotations, and transverse interlaminar
stresses). In the mixed model, each layer is analyzed as a single plate, where
the continuity of displacement is ensured by Lagrange multipliers which
represent static variables. This procedure is easy to be implemented from the
computational point of view. A methodology to solve the eigen problem is presented
based on the inverse iteration method. The model is verified successfully with
results obtained by other authors.
KEYWORDS
Multilayered plates, buckling, finite elements, interlaminar stresses.
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