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Influence of Structural Redundancy on Fatigue Life of Offshore Wind Turbine Jacket Structures

descriptionPublicationkeyboard_double_arrow_right Conference object , Other literature type , Article 01 Jan 2017Embargo end date: 14 Sep 2017 German Publisher:Cupertino : International Society of Offshore and Polar Engineers (ISOPE)Journal:Proceedings of the Twenty-seventh (2017) International Ocean and Polar Engineering ConferenceFunded by:EC | AEOLUS4FUTURE

Authors: Kovarbasic, Milan; Vorpahl, Fabian; Schaumann, Peter;

doi: 10.15488/1904

Influence of Structural Redundancy on Fatigue Life of Offshore Wind Turbine Jacket Structures

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Abstract

The concept of structural redundancy is implemented in the fatigue analysis of an offshore wind turbine jacket structure. The analyzed jacket is a real life example. Time domain analyses are performed for the most representative design load case. The uni-directional and multidirectional simulations of the offshore wind turbine system are carried out using a coupling of the aero-elastic code and the finite element code. Fatigue analyses are performed using hot spot stress approach and Miner's rule. Comparative studies show that considering structural redundancy leads to expanded fatigue life of the offshore wind turbine jacket structures. © 2017 ISOPE

Related Organizations

University of Hannover
Germany

Keywords

Structural redundancy, Dewey Decimal Classification::300 | Sozialwissenschaften, Soziologie, Anthropologie::330 | Wirtschaft::333 | Boden- und Energiewirtschaft, Hot spot stress, Offshore wind turbine, Fatigue life, Damage equivalent loads, Windkraft

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