Numerical Modeling of Energy Absorption Behaviour of Aluminium Foam Cored Sandwich Panels with Different Fibre Reinforced Polymer (FRP) Composite Facesheet Skins

M. Nalla Mohamed; D. Ananthapadmanaban; M. Selvaraj

doi:10.4028/www.scientific.net/AMM.852.66

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 852Numerical Modeling of Energy Absorption Behaviour...

Numerical Modeling of Energy Absorption Behaviour of Aluminium Foam Cored Sandwich Panels with Different Fibre Reinforced Polymer (FRP) Composite Facesheet Skins

Abstract:

Sandwich structures based on Fibre Reinforced Polymer (FRP) facesheet skins bonded with low density aluminium foam core are increasing in use in aerospace and marine industries. These structures are very sensitive to high velocity impact during the service. Therefore, it is necessary to study the energy absorption of the structures to ensure the reliability and safety in use. Experimental investigation of these transient events is expensive and time-consuming, and nowadays the use of numerical approaches is on the increase. Hence, the purpose of this paper is to develop a numerical model of sandwich panels with aluminium foam as a core and Glass, Carbon and Kevlar Fibre Reinforced polymer composite as faceplate, subjected to high velocity impact using ABAQUS/Explicit. The influence of individual elements of the sandwich panel on the energy absorption of the structures subjected to high velocity impact loading was analysed. Selection of suitable constitutive models and erosion criterion for the damage were discussed. The numerical models were validated with experimental data obtained from the scientific literature. Good agreement was obtained between the simulations and the experimental results. The contribution of the face sheet, foam core on the impact behaviour was evaluated by the analysis of the residual velocity, ballistic limit, and damaged area.

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Periodical:

Applied Mechanics and Materials (Volume 852)

Pages:

66-71

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.852.66

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Online since:

September 2016

Authors:

M. Nalla Mohamed*, D. Ananthapadmanaban, M. Selvaraj

Keywords:

Composites, High Velocity Impact, Sandwich Structure

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