NDLI: Fatigue Damage Assessment of Container Ships Concerning Wave-Induced Torsion

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Li, Zhiyuan Jonas, W. Ringsberg Mao, Wengang
Copyright Year	2010
Abstract	The traditional method to assess fatigue damage of ship structures assumes moderate wave amplitudes and linear responses. This method can be questioned when applied on container ships that are characterized by large deck openings, because the low torsion rigidity of this type of ship makes it sensitive to oblique waves. In this paper, the 3D hydrodynamic code WASIM is used to simulate a 4400 TEU container ship operating in the North Atlantic Ocean. Nonlinear wave loads are utilized for direct calculation of the stress histories under severe sea states. The warping stress from wave-induced torsion is separated from the stress components from vertical and horizontal bending. The contribution to fatigue damage accumulation from warping stresses is evaluated. For comparison, the results from the numerical simulations and fatigue calculations are verified with full-scale measurements made on a similar type of container vessel.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	151
Ending Page	158
Page Count	8
File Format	PDF
ISBN	9780791849101
DOI	10.1115/OMAE2010-20140
e-ISBN	9780791838730
Volume Number	29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2
Conference Proceedings	ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2010-06-06
Publisher Place	Shanghai, China
Access Restriction	Subscribed
Subject Keyword	Non-linear wave loads Fatigue Container ship Torsion Direct calculation Nonlinear waves Ships Containers Waves Fatigue damage Stress
Content Type	Text
Resource Type	Article

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Direct Calculation of Fatigue Damage of Ship Structure Details

An Efficient Direct Calculation Approach for Fatigue Assessment of Container Ships Concerning Bending and Warping Stresses

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Computation of Fully Nonlinear Wave Loads on a Large Container Ship by CIP Based Cartesian Grid Method

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Fatigue Damage Assessment of Container Ships Concerning Wave-Induced Torsion

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