Numerical analysis of low-velocity rigid-body impact response of composite panels

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dc.contributor.authorYazdani Nezhad, Hamed
dc.contributor.authorMerwick, F.
dc.contributor.authorFrizzell, R. M.
dc.contributor.authorCarthy, C. T.
dc.date.accessioned2016-07-25T09:22:56Z
dc.date.available2016-07-25T09:22:56Z
dc.date.issued2014-09-29
dc.description.abstractThis paper investigates various modelling strategies to identify the most suitable approach for modelling the low-velocity impact response of laminated composite panels. The purpose of this paper is to thoroughly investigate a dropped tool scenario or a ground vehicle impact on an aircraft fuselage panel using detailed numerical models. Three-dimensional meso-scale finite element models have been developed and implemented with user-defined material subroutines in ABAQUS/Standard. The models predict the simultaneous evolution of inter-laminar and intra-laminar damage mechanisms that occur in composite panels during impact. The paper describes the implementation of the combined inter/intra-laminar models and assesses their performance. User-defined material models developed in previous work for quasistatic problems have been further developed in this paper for damage analysis under impact loading. Experimental dropweight impact tests, representative of low-velocity high-energy rigid-body impacts, have been carried out for model validation. Impact energy levels were varied from 10 to 40 J to evaluate the damage threshold and damage area that develops within the laminate. The results of the combined inter/intra-laminar model are in excellent agreement with experimental data, especially in terms of energy absorbed during impact. Numerical results provide an accurate description of the threshold at which a significant change in laminate stiffness occurs. It is shown conclusively that the combined inter/ intra-laminar damage model developed in this work can be employed as an accurate predictive tool for low-velocity impact events.en_UK
dc.identifier.citationYazdani Nezhad, H. et al. (2014) Numerical analysis of low-velocity rigid-body impact response of composite panels, International Journal of Crashworthiness, Vol. 20, Iss. 1, pp. 27-43en_UK
dc.identifier.issn1358-8265
dc.identifier.urihttp://dx.doi.org/10.1080/13588265.2014.96337
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10162
dc.language.isoenen_UK
dc.publisherTaylor & Francisen_UK
dc.subjectCompositeen_UK
dc.subjectLow-velocity impacten_UK
dc.subjectImpacten_UK
dc.subjectIn-plane damageen_UK
dc.subjectDelaminationen_UK
dc.subjectFinite element analysisen_UK
dc.titleNumerical analysis of low-velocity rigid-body impact response of composite panelsen_UK
dc.typeArticleen_UK

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