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Hydroelastic behaviour of slam loaded composite hull panels
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2008 (English)In: High Perform. Yacht Des. Conf., HPYD, 2008, p. 37-46Conference paper, Published paper (Refereed)
Abstract [en]

The effects of stiffness on hydroelastic responses of composite marine hull panels subjected to water slamming loads have been experimentally characterised. Panels included a very flexible single skin laminate, a medium stiffness sandwich panel and a very stiff sandwich panel. Panels were tested at a deadrise angle of 10° for a range of water impact velocities from 0.5 to 7m/s in a Servo-hydraulic Slam Testing System. Results demonstrate that the panel stiffness has a significant effect on the responses of slam loaded composite panels. Flexible panels had reductions in the local velocity at the centre of the panel relative to the water, reducing peak pressures at the panel centre. Pressures increased near to the chine edge of the panel, possibly due to reductions in the local deadrise angle due to panel deformation. Such effects were particularly noticeable when the loading rate was of similar order to the first natural frequency of the panel. The implications of the effects of panel stiffness on effective pressure and panel structural response on composite structural design are discussed.

Place, publisher, year, edition, pages
2008. p. 37-46
Series
3rd High Performance Yacht Design Conference 2008, HPYD 2008
Keywords [en]
Composite hull, Composite panels, Effective pressure, Flexible panels, Hydroelastic response, Slamming loads, Structural response, Testing systems, Honeycomb structures, Hydroelasticity, Sandwich structures, Stiffness, Structural design, Yachts, Loading
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-153315Scopus ID: 2-s2.0-84876446571ISBN: 9781622769124 (print)OAI: oai:DiVA.org:kth-153315DiVA, id: diva2:755836
Conference
3rd High Performance Yacht Design Conference 2008, HPYD 2008, 2-4 December 2008, Auckland, New Zealand
Note

QC 20141015

Available from: 2014-10-15 Created: 2014-10-03 Last updated: 2014-10-15Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Language
  • de-DE
  • en-GB
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  • fi-FI
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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