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Energy absorption analysis of density graded aluminum foam

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Energy absorption analysis of density graded aluminum foam

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Title: Energy absorption analysis of density graded aluminum foam
Author: Li, Jingde; Ma, Guowei; Zhou, Hongyuan; Du, Xiuli
Copyright year: 2011
Abstract: A numerical approach is carried out to investigate the energy absorption efficiency of density graded aluminium foam. Effects of blast load impact velocity, loading duration and sample thickness on the input energy density and output energy density of the graded foam are investigated. The stochastic meso-scale aluminium foam structure is generated by adopting a 2D Voronoi technique and the commercial software ANSYS/LS-DYNA is used for the FE modelling. Parametric study shows that the density graded aluminium foam is effective in improving energy absorption capability while keeping a lower stress transmitted to the substrate or the protected structure if it is properly designed.
Subject: DRNTU::Engineering::Civil engineering.
Type: Journal Article
Series/ Journal Title: International journal of protective structures
School: School of Civil and Environmental Engineering
Rights: © 2011 Multi-Science Publishing. This is the author created version of a work that has been peer reviewed and accepted for publication by International journal of protective structures, Multi-Science Publishing. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at [DOI: http://dx.doi.org/10.1260/2041-4196.2.3.333].
Version: Accepted version

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