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Effect of load eccentricity on the buckling of thin-walled laminated C-columns

The study investigates the behaviour of short, thin-walled laminated C-columns under eccentric compression. The tested columns are simple-supported. The effect of load inaccuracy on the critical and post-critical (local buckling) states is examined. A numerical analysis by the finite element method...

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Main Authors:	Wysmulski, Pawel, Teter, Andrzej, Debski, Hubert
Format:	Conference Proceeding
Language:	English
Subjects:	Autoclaving Buckling Carbon fiber reinforced plastics Carbon-epoxy composites Columns (structural) Computer simulation Finite element method Load Numerical analysis Postbuckling Test procedures
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creator	Wysmulski, Pawel Teter, Andrzej Debski, Hubert
description	The study investigates the behaviour of short, thin-walled laminated C-columns under eccentric compression. The tested columns are simple-supported. The effect of load inaccuracy on the critical and post-critical (local buckling) states is examined. A numerical analysis by the finite element method and experimental tests on a test stand are performed. The samples were produced from a carbon-epoxy prepreg by the autoclave technique. The experimental tests rest on the assumption that compressive loads are 1.5 higher than the theoretical critical force. Numerical modelling is performed using the commercial software package ABAQUS®. The critical load is determined by solving an eigen problem using the Subspace algorithm. The experimental critical loads are determined based on post-buckling paths. The numerical and experimental results show high agreement, thus demonstrating a significant effect of load inaccuracy on the critical load corresponding to the column’s local buckling.
doi_str_mv	10.1063/1.5019079
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source	American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects	Autoclaving Buckling Carbon fiber reinforced plastics Carbon-epoxy composites Columns (structural) Computer simulation Finite element method Load Numerical analysis Postbuckling Test procedures
title	Effect of load eccentricity on the buckling of thin-walled laminated C-columns
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