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Modeling of global and local buckling of corrugated board panels loaded in edge-to-edge compression
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
2014 (English)In: Journal of Sandwich Structures and Materials, ISSN 1099-6362, E-ISSN 1530-7972, Vol. 16, no 3, 272-292 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2014. Vol. 16, no 3, 272-292 p.
Keyword [en]
compression strength, Corrugated board, buckling
National Category
Engineering and Technology
Research subject
Engineering science with specialization in Applied Mechanics
URN: urn:nbn:se:uu:diva-224713DOI: 10.1177/1099636213519374ISI: 000334510400002OAI: oai:DiVA.org:uu-224713DiVA: diva2:719242
Available from: 2014-05-23 Created: 2014-05-19 Last updated: 2014-07-21Bibliographically approved

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Isaksson, Per
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