Finite element modelling of the crushing response of composite sandwich panels with FRP tubular reinforcements

Mamalis, AG; Manolakos, DE; Ioannidis, MB; Papapostolou, DP

dc.contributor.author	Mamalis, AG	en
dc.contributor.author	Manolakos, DE	en
dc.contributor.author	Ioannidis, MB	en
dc.contributor.author	Papapostolou, DP	en
dc.date.accessioned	2014-03-01T01:24:25Z
dc.date.available	2014-03-01T01:24:25Z
dc.date.issued	2006	en
dc.identifier.issn	1358-8265	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/17251
dc.subject	Explicit time integration	en
dc.subject	Finite element simulation	en
dc.subject	FRP tubes	en
dc.subject	Hybrid composites	en
dc.subject	LS-DYNA3D	en
dc.subject	Sandwich panels	en
dc.subject	Syntactic foam	en
dc.subject.classification	Engineering, Manufacturing	en
dc.subject.classification	Engineering, Mechanical	en
dc.subject.other	Composite materials	en
dc.subject.other	Compressive strength	en
dc.subject.other	Computer simulation	en
dc.subject.other	Energy absorption	en
dc.subject.other	Fiber reinforced plastics	en
dc.subject.other	Finite element method	en
dc.subject.other	Sandwich structures	en
dc.subject.other	Explicit time integration	en
dc.subject.other	FRP tubes	en
dc.subject.other	Hybrid composites	en
dc.subject.other	LS-DYNA3D	en
dc.subject.other	Sandwich panels	en
dc.subject.other	Syntactic foam	en
dc.subject.other	Tubular reinforcements	en
dc.subject.other	Crashworthiness	en
dc.title	Finite element modelling of the crushing response of composite sandwich panels with FRP tubular reinforcements	en
heal.type	journalArticle	en
heal.identifier.primary	10.1533/ijcr.2005.0392	en
heal.identifier.secondary	http://dx.doi.org/10.1533/ijcr.2005.0392	en
heal.language	English	en
heal.publicationDate	2006	en
heal.abstract	The crushing response and the crash energy absorption characteristics of composite sandwich panels with internal fibre reinforced plastic (FRP) tubular reinforcements were investigated in the numerical simulation works described here using the LS-DYNA3D finite element code. Several models were developed in order to simulate a series of compressive tests performed at the National Technical University of Athens using composite sandwich panels with glass FRP faceplates and syntactic foam core that were internally reinforced with FRP tubes, and, moreover, to examine how the construction parameters of the sandwich panels influence the main crushing characteristics, i.e. the crash energy absorption and the peak compressive load. The sandwich construction parameters whose influence was investigated were the properties of some of the constituent materials (more specifically the foam core and the reinforcing FRP tubes) and the geometric characteristics of the internal reinforcements such as the thickness of the FRP tubes. The agreement between the finite element calculations and the experimental results was excellent concerning the load-displacement curve and the main crushing characteristics of the tested hybrid composite materials, as well as the overall crushing response of the sandwich panels in compressive loading, as a result of several refinements that were applied to the finite element models. © Woodhead Publishing Ltd.	en
heal.publisher	WOODHEAD PUBL LIMITED	en
heal.journalName	International Journal of Crashworthiness	en
dc.identifier.doi	10.1533/ijcr.2005.0392	en
dc.identifier.isi	ISI:000237918900008	en
dc.identifier.volume	11	en
dc.identifier.issue	2	en
dc.identifier.spage	177	en
dc.identifier.epage	188	en