Journal article

Modeling of global and local buckling of corrugated board panels loaded in edge-to-edge compression

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Publication Details

Author list: Åslund, Pär

Publisher: Sage Publications

Publication year: 2014

Start page: 272

End page: 292

Number of pages: 21

ISSN: 1099-6362

DOI: http://dx.doi.org/10.1177/1099636213519374

View additional information: View in Web of Science


Abstract

Detailed structural nonlinear finite element modeling of a sandwich panel with corrugated core is performed in this study. A simply supported panel is loaded in uniaxial compression well into the regimes of global panel buckling and local face sheet buckling. The highly nonlinear load versus in-plane and out-of-plane displacement responses obtained from finite element analysis agree reasonably well with experimental results, but the model slightly overpredicts the maximum load. The difference between experiments and predictions is attributed to damage of the corrugated paper web introduced during manufacture of the core and corrugated board. Computations of the buckling also results in a slight thickness reduction of the panel for a large range of face and web thicknesses identify lower thickness limits when the web loses its ability to contribute to the compressive strength of the panel. The highly nonlinear response associated with local and global buckling also results in thickness reduction of the panel.


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