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Energy Absorption Characteristics of Web-Core Sandwich Composite Panels Subjected to Drop-Weight Impact

Lookup NU author(s): Donato Zangani, Professor Mark Robinson, Professor Geoff Gibson

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Abstract

The objective of the study was to characterise the energy absorption of composite panels with tied cores, subjected to a drop weight impact test. Numerical simulations based on explicit finite element analysis have successfully modelled low velocity impact tests carried out on sandwich panels with web-core structure and plastic foam. The numerical model has been validated in terms of the failure behaviour of the panel and the variation of the contact force after the initial peak load corresponding to flexural failure. The numerical model is used for a better interpretation of the test results and of the failure mechanisms within the structure. The contribution to the overall energy absorption of the different parts composing the panels has been studied, with the aim of evaluating the feasibility of using low density foam in combination with web-core reinforcement in structural applications. © 2008 Springer Science+Business Media B.V.


Publication metadata

Author(s): Zangani D, Robinson M, Gibson AG

Publication type: Article

Publication status: Published

Journal: Applied Composite Materials

Year: 2008

Volume: 15

Issue: 3

Pages: 139-156

Print publication date: 01/05/2008

ISSN (print): 0929-189X

ISSN (electronic): 1573-4897

Publisher: Springer

URL: http://dx.doi.org/10.1007/s10443-008-9063-5

DOI: 10.1007/s10443-008-9063-5


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