Abstract

The methods for the determination of the springing response for inclusion in the fatigue assessment are presented. Fluid Structure Interaction (FSI) models are used to investigate nonlinear wave actions and wave induced global loads acting on large container ships. Time domain simulation techniques in critical wave frequencies are employed to investigate effects of springing on design bending moments of a large container ship based on the Lloyd's Register 2014 Rule requirements for container ships that mandate springing fatigue analysis for large container ships. This study shows that the fatigue life is significantly reduced due to the inclusion of springing effects on a large container ship.

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