Analytical and Numerical Study of Foam-Filled Corrugated Core Sandwich Panels under Low Velocity Impact

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Mohammad Nouri Damghani, Arash Mohammadzadeh Gonabadi (2016). Analytical and Numerical Study of Foam-Filled Corrugated Core Sandwich Panels under Low Velocity Impact. Mechanics, Materials Science & Engineering, Vol 7, pp. 176-200, doi:10.2412/mmse.6.55.34

Authors: Mohammad Nouri Damghani, Arash Mohammadzadeh Gonabadi

ABSTRACT. Analytical and finite element simulations are used to predict the effect of core density on the energy absorption of composite sandwich panels under low-velocity impact. The composite sandwich panel contains two facesheets and a foam-filled corrugated core. Analytical model is defined as a two degree-of-freedom system based on equivalent mass, spring, and dashpot to predict the local and global deformation response of a simply supported panel. The results signify a good agreement between analytical and numerical predictions.

Keywords: sandwich panel, corrugated core, low velocity impact, corrugation, metal foam, finite element, analytical modelling

DOI 10.2412/mmse.6.55.34

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