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Effective use of composite marine structures: Reducing weight and acquisition cost: Chapter 6
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
RISE - Research Institutes of Sweden, Safety and Transport, Safety.ORCID iD: 0000-0001-7182-0872
2019 (English)In: Marine Composites : Design and Performance  (A volume in Woodhead Publishing Series in Composites Science and Engineering) / [ed] Richard Pemberton, John Summerscales and Jasper Graham-Jones, 2019, p. 161-183Chapter in book (Other academic)
Abstract [en]

Composite structures are a way to reduce the operational costs of a vessel or to increase its potential revenue. However, depending on the design of the vessel, its operational profile, and the business model of the owner, the benefits brought by a composite structure may not justify its acquisition cost. This paper presents a number of investigations aimed at reducing the acquisition cost of marine composite structures and maximizing their benefits through a more effective use of composite materials (in other words, weight reduction of the composite structure). The investigations cover three areas of opportunity for doing so: material safety factors, material characterization, and numerical optimization of large composite structures. The following conclusions are drawn from the investigations: motivating a reduction of material safety factors through probabilistic analyses is unpractical at best, and questionable at worst; improving the material characterization of textile composites is easy, relatively costless, and can modestly reduce structural weight through better material property values; numerical optimization of large composite structures is cumbersome, but feasible, and holds the greatest potential increasing the economical attractiveness of composite marine structures.

Place, publisher, year, edition, pages
2019. p. 161-183
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-36338DOI: 10.1016/C2016-0-00710-6ISBN: 9780081022641 (print)OAI: oai:DiVA.org:ri-36338DiVA, id: diva2:1264119
Available from: 2018-11-19 Created: 2018-11-19 Last updated: 2018-11-21Bibliographically approved

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Johnson, Erland

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