Ship docking safety in severe sea state in harbor

  • JIA De-jun ,
  • LI Fan-chun ,
  • ZHAO Tian-yu ,
  • MENG Ke
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  • (1.Transportation Equipment and Ocean Engineering College,Dalian Maritime University, Dalian 116026,China;2.China Ocean Mineral Resources R & D Association,Beijing 100032,China)

Received date: 2015-05-06

  Revised date: 2015-07-03

  Online published: 2015-07-07

Abstract

To find the influence of winch mode on ship docking safety in harbor during docking process, the model for cables and anticollision metals model was built up with Taylor series, and the displacement and mooring forces were calculated by using time domain response method. Taking a 203 m container ship as object, the cable forces for ship in the docking progress and displacement in each degree of freedom were calculated for normal and severe sea state. The influence of different winch mode on mooring force values, hull rolling values and heaving values for a ship were studied in severe sea state. Results show that range of displacement variation and maximum mooring force relate to combination operation mode of warping winch, and winch mode has remarkable effects on mooring force, and the wrong winch mode will result in cables failure. Above results can provide a reference for studying docking safety and port disaster prevention.

Cite this article

JIA De-jun , LI Fan-chun , ZHAO Tian-yu , MENG Ke . Ship docking safety in severe sea state in harbor[J]. Journal of Dalian Maritime University, 2016 , 42(1) : 21 -26 . DOI: 10.16411/j.cnki.issn1006-7736.2016.01.005

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