Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Probabilistic Approach to Predicting Residual Longitudinal Strength of Damaged Double HullVLCC

  • Huynh, Van-Vu (School of Naval Architecture and Ocean Engineering, University of Ulsan) ;
  • Lee, Seung-Hyun (Structure Technology Team, STX Offshore and Shipbuilding) ;
  • Cho, Sang-Rai (School of Naval Architecture and Ocean Engineering, University of Ulsan)
  • Received : 2011.05.19
  • Accepted : 2011.06.13
  • Published : 2011.06.30
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Abstract

This paper estimates the residual longitudinal strength of a damaged double hull VLCC (Very Large Crude Carrier) under combined vertical and horizontal bending moments using Smith's method. The damage estimated in this study occurred due to collision or grounding accidents. The effects of the randomness of the yield stress, plate thickness, extent of damage, and the combination of these three parameters on the ultimate hull girder strength were investigated. Random variables were generated by a Monte Carlo simulation and applied to the double hull VLCC described by the ISSC (International Ship and Offshore Structures Congress) 2000 report.

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