on the effects of hull-girder vibration upon fatigue strength of a post-panamax container ship disaggregated by short-term sea state

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ID: 242797
2014
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Abstract
The effects of hull-girder vibration on the fatigue strength of a Post-Panamax container ship are discussed in the present paper. Firstly, the short-term sea states are categorized according to the occurrence probability of each sea state. Time histories of hull-girder stress in short-term sea states are calculated by means of a nonlinear simulation code of ship response assuming that the hull-girder is rigid and flexible. Then, the calculated stress peaks are processed by the rainflow counting method, where two different counting procedures are used based on the considerations of crack propagation behaviors. Finally, the fatigue damage in life time of the ship in each categorized short-term sea state is estimated by means of Miner’s rule. Based on the calculated results, the effects of hull-girder vibrations on the fatigue damage are clarified by disaggregated damage from short-term sea state.
Reference Key
toichi2014internationalon Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Fukasawa Toichi;Mukai Keiichi
Journal current developments in nutrition
Year 2014
DOI
10.2478/ijnaoe-2013-0190
URL
http://www.degruyter.com/view/j/ijnaoe.2014.6.issue-2/ijnaoe-2013-0190/ijnaoe-2013-0190.xml?format=INT
Keywords
fatigue strength marine engineering shipbuilding post-panamax container shipocean engineeringnaval architecture

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