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Performance of Glare panels subjected tointense pressure pulse loading

Published online by Cambridge University Press:  27 January 2016

C. Soutis ,
G. Mohamed  and
A. Hodzic
C. Soutis*
Affiliation:
The University of Sheffield, Sheffield, UK
G. Mohamed*
Affiliation:
The University of Sheffield, Sheffield, UK
A. Hodzic*
Affiliation:
The University of Sheffield, Sheffield, UK
*
c.soutis@sheffield.ac.uk
g.mohamed@sheffield.ac.uk
a.hodzic@sheffield.ac.uk
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Abstract

A robust and efficient computational model has beendeveloped which is capable of modelling the dynamicnon-linear behaviour of Glare panels subjected toblast loadings. High strain rate materialcharacterisation and modelling of interfacialdebonding between adjacent sublaminates have beentaken into consideration. Numerical model validationhave been performed considering case studies ofGlare panels subjected to a blast-type pressurepulse for which experimental data on the back face-displacement and post-damage observations wereavailable. Excellent agreement of mid-pointdeflections and evidence of severe yield linedeformation were shown and discussed against theperformed blast tests. A further parametric studyidentified Glare as a potential blast attenuatingstructure, exhibiting superior blast potentialagainst monolithic aluminium plates. The resultswere normalised and showed that for a given impulse,Glare exhibited a smaller normalised displacement,outperforming monolithic Aluminium 2024-T3 plates.It was concluded that further work needed to becarried out to take into account the influence ofgeometry (cylindrical structures),pre-pressurisation effects and boundaryconditions

Information

Type
Research Article
Information
The Aeronautical Journal , Volume 116 , Issue 1180 , June 2012 , pp. 667 - 679
Copyright
Copyright © Royal Aeronautical Society 2012 

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