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2010•Journal of Waterway and HarborRequires access

A numerical study on mooring line forces and motions of a moored ship under combined action of wind and current

Feng Hua Zhou

Open publisher page 1 citations

Abstract

A software (Qmoor) for calculating mooring line forces and movements of a moored ship under combined action of wind and current was presented based on static force equilibrium principle. The upstream face area above water and underwater windward area were determined on the basis of ship type and tonnage.The wind and current load was calculated by experimental formula. The non-linear effect of mooring lines and fenders was also taken into account. The computed results and the experiment data are in good agreement.Meanwhile, the results are compared with Optimoor results.

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What this paper is about

A software (Qmoor) for calculating mooring line forces and movements of a moored ship under combined action of wind and current was presented based on static force equilibrium principle. The upstream face area above water and underwater windward area were determined on the basis of ship type and tonnage.The wind and current load was calculated by experimental formula. The non-linear effect of mooring lines and fenders was also taken into account. The computed results and the experiment data are in good agreement.Meanwhile, the results are compared with Optimoor results.

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Available abstract

A software (Qmoor) for calculating mooring line forces and movements of a moored ship under combined action of wind and current was presented based on static force equilibrium principle. The upstream face area above water and underwater windward area were determined on the basis of ship type and tonnage.The wind and current load was calculated by experimental formula. The non-linear effect of mooring lines and fenders was also taken into account. The computed results and the experiment data are in good agreement.Meanwhile, the results are compared with Optimoor results.

Key concepts: Tonnage, Marine engineering, Mooring, Current (fluid), Line (geometry), Underwater, Wind force, Open sea

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