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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/17239

Title: Experimental and numerical investigation of the effect of asymmetry on the residual strength of a composite sandwich panel
Authors: James, Chris T.
Watson, Andrew
Cunningham, Paul
Keywords: Numerical modelling
Sandwich panels
Damage modelling
Issue Date: 2015
Publisher: SAGE Publications / © The Author(s)
Citation: JAMES, C.T., WATSON, A. and CUNNINGHAM, P., 2015. Experimental and numerical investigation of the effect of asymmetry on the residual strength of a composite sandwich panel. Journal of Sandwich Structures and Materials, 17(4), pp.417-445.
Abstract: Asymmetric sandwich panels with skins of differing thickness are subjected to various degrees of damage via quasi-static indentation before compressive loading to failure. These are compared with panels with skins of equal thickness. The experiments show that the asymmetric panels experience an improvement in strength with small amounts of indentation compared with undamaged asymmetric panels, and for more severe damage, show greater residual strength than the symmetric panels. The two configurations are numerically modelled using Abaqus, including inter- and intra-laminar damage, and core crushing. The strength predictions from the models agree well with the experiments.
Description: This paper was accepted for publication in the Journal of Sandwich Structures and Materials and the definitive published version is available at: http://dx.doi.org/10.1177/1099636215577348
Sponsor: This work has been funded by the Department of Automotive and Aeronautical Engineering at Loughborough University, as part of a PhD research project.
Version: Accepted for publication
DOI: 10.1177/1099636215577348
URI: https://dspace.lboro.ac.uk/2134/17239
Publisher Link: http://dx.doi.org/10.1177/1099636215577348
ISSN: 1530-7972
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)

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