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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/16758

Title: Fatigue reliability and service life prediction of aluminum naval ship details based on monitoring data
Authors: Soliman, Mohamed
Barone, Giorgio
Frangopol, Dan M.
Keywords: Fatigue
Structural health monitoring
Aluminum naval vessel
Service life prediction
Issue Date: 2015
Publisher: © Sage
Citation: SOLIMAN, M., BARONE, G. and FRANGOPOL, D.M., 2015. Fatigue reliability and service life prediction of aluminum naval ship details based on monitoring data. Structural Health Monitoring: an International Journal, 14 (1), pp.3-19.
Abstract: The evolution of naval vessels towards high-speed crafts subjected to severe sea conditions has promoted an increasing interest in lightweight high-strength materials. Due to its strength and weight characteristics, aluminum has been proven especially suitable as construction material for hull structures, as well as other vessel parts. However, fatigue in aluminum naval crafts needs to be effectively addressed for the proper life-cycle assessment. Structural health monitoring (SHM) systems constitute effective tools for measuring the structural response and assessing the structural performance under actual operational conditions. In this paper, an approach for using SHM information in the fatigue reliability analysis and service life prediction of aluminum naval vessels is presented. The accumulated fatigue damage and the fatigue reliability are quantified based on SHM data acquired under different operational conditions, specified by the ship speeds, sea states, and heading angles. Additionally, an approach for estimating the reliability-based fatigue life under a given operational profile is presented. Seakeeping trial data of an aluminium high-speed naval vessel are used to illustrate the proposed approach.
Version: Accepted for publication
DOI: 10.1177/1475921714546059
URI: https://dspace.lboro.ac.uk/2134/16758
Publisher Link: http://dx.doi.org/10.1177/1475921714546059
ISSN: 1475-9217
Appears in Collections:Published Articles (Civil and Building Engineering)

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