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Localized fatigue failure analysis of aluminium crewboats due to propeller pulse loads: A case study

Citation

Leacy, TM and Ojeda, R, Localized fatigue failure analysis of aluminium crewboats due to propeller pulse loads: A case study, Advanced Materials Research, 891-892 pp. 1041-1046. ISSN 1022-6680 (2014) [Refereed Article]


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Copyright 2014 Trans Tech Publiscations

DOI: doi:10.4028/www.scientific.net/AMR.891-892.1041

Abstract

The present paper reports on the development and implementation of a finite element analysis methodology for the prediction of propeller induced fatigue failure in the structure of aluminium vessels. The work covers practical recommendations for the generation of a suitable combined beam-shell finite element model, the determination of the propeller pulse load magnitude and distribution as well as the implementation of a Minerís cumulative fatigue analysis. In order to establish its validity, the proposed methodology is used to analyse two different structural arrangements of an existing, 18 m long, aluminium crewboat with reported fatigue problems. Numerically predicted failure locations showed excellent agreement with the actual failure zones

Item Details

Item Type:Refereed Article
Keywords:Aluminium fatigue, Miner analysis, propeller pulse load, finite element analysis
Research Division:Engineering
Research Group:Maritime Engineering
Research Field:Ship and Platform Structures
Objective Division:Manufacturing
Objective Group:Transport Equipment
Objective Field:Nautical Equipment (excl. Yachts)
Author:Ojeda, R (Dr Roberto Ojeda Rabanal)
ID Code:89109
Year Published:2014
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2014-02-25
Last Modified:2017-10-25
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