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Dynamic response of full-scale sandwich composite structures subject to air-blast loading / H. Arora, P.A. Hooper, J.P. Dear, Hari Arora

Composites Part A: Applied Science and Manufacturing, Volume: 42, Issue: 11, Pages: 1651 - 1662

Swansea University Author: Hari Arora

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Abstract

Glass-fibre reinforced polymer (GFRP) sandwich structures (1.6 m × 1.3 m) were subject to 30 kg charges of C4 explosive at stand-off distances 8–14 m. Experiments provide detailed data for sandwich panel response, which are often used in civil and military structures, where air-blast loading represe...

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Published in: Composites Part A: Applied Science and Manufacturing
ISSN: 1359-835X
Published: 2011
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URI: https://cronfa.swan.ac.uk/Record/cronfa37204
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spelling 2017-11-28T14:45:32.9667308 v2 37204 2017-11-28 Dynamic response of full-scale sandwich composite structures subject to air-blast loading ed7371c768e9746008a6807f9f7a1555 0000-0002-9790-0907 Hari Arora Hari Arora true false 2017-11-28 MEDE Glass-fibre reinforced polymer (GFRP) sandwich structures (1.6 m × 1.3 m) were subject to 30 kg charges of C4 explosive at stand-off distances 8–14 m. Experiments provide detailed data for sandwich panel response, which are often used in civil and military structures, where air-blast loading represents a serious threat. High-speed photography, with digital image correlation (DIC), was employed to monitor the deformation of these structures during the blasts. Failure mechanisms were revealed in the DIC data, confirmed in post-test sectioning. The experimental data provides for the development of analytical and computational models. Moreover, it underlines the importance of support boundary conditions with regards to blast mitigation. These findings were analysed further in finite element simulations, where boundary stiffness was, as expected, shown to strongly influence the panel deformation. In-depth parametric studies are ongoing to establish the hierarchy of the various factors that influence the blast response of sandwich composite structures. Journal Article Composites Part A: Applied Science and Manufacturing 42 11 1651 1662 1359-835X Layered structures, Polymer-matrix composites (PMCs), Impact behaviour, Finite element analysis (FEA) 30 11 2011 2011-11-30 10.1016/j.compositesa.2011.07.018 COLLEGE NANME Biomedical Engineering COLLEGE CODE MEDE Swansea University 2017-11-28T14:45:32.9667308 2017-11-28T14:43:51.4382270 College of Engineering Engineering H. Arora 1 P.A. Hooper 2 J.P. Dear 3 Hari Arora 0000-0002-9790-0907 4
title Dynamic response of full-scale sandwich composite structures subject to air-blast loading
spellingShingle Dynamic response of full-scale sandwich composite structures subject to air-blast loading
Hari, Arora
title_short Dynamic response of full-scale sandwich composite structures subject to air-blast loading
title_full Dynamic response of full-scale sandwich composite structures subject to air-blast loading
title_fullStr Dynamic response of full-scale sandwich composite structures subject to air-blast loading
title_full_unstemmed Dynamic response of full-scale sandwich composite structures subject to air-blast loading
title_sort Dynamic response of full-scale sandwich composite structures subject to air-blast loading
author_id_str_mv ed7371c768e9746008a6807f9f7a1555
author_id_fullname_str_mv ed7371c768e9746008a6807f9f7a1555_***_Hari, Arora
author Hari, Arora
author2 H. Arora
P.A. Hooper
J.P. Dear
Hari Arora
format Journal article
container_title Composites Part A: Applied Science and Manufacturing
container_volume 42
container_issue 11
container_start_page 1651
publishDate 2011
institution Swansea University
issn 1359-835X
doi_str_mv 10.1016/j.compositesa.2011.07.018
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 0
active_str 0
description Glass-fibre reinforced polymer (GFRP) sandwich structures (1.6 m × 1.3 m) were subject to 30 kg charges of C4 explosive at stand-off distances 8–14 m. Experiments provide detailed data for sandwich panel response, which are often used in civil and military structures, where air-blast loading represents a serious threat. High-speed photography, with digital image correlation (DIC), was employed to monitor the deformation of these structures during the blasts. Failure mechanisms were revealed in the DIC data, confirmed in post-test sectioning. The experimental data provides for the development of analytical and computational models. Moreover, it underlines the importance of support boundary conditions with regards to blast mitigation. These findings were analysed further in finite element simulations, where boundary stiffness was, as expected, shown to strongly influence the panel deformation. In-depth parametric studies are ongoing to establish the hierarchy of the various factors that influence the blast response of sandwich composite structures.
published_date 2011-11-30T03:52:19Z
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