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A STUDY ON THE EFFECT OF FREE SURFACE AND BANK ON HYDRODYNAMIC MANOEUVRING FORCES ACTING ON SHIP HULLS IN RESTRICTED WATER

Xiong Xiong, Xuecheng Wu

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Abstract

In this paper, linearly variable Rankine sources are distributed on the panels of a ship body surface which is discrete by means of a parabolic curve plane. The uniform Rankine sources are arranged on the bank and the local free surface around the ship hull, the local free surface is divided using a body-fitted grid, the vortex filaments whose strength is the step function in depth direction are arranged in the longitudinal centre plan of the hull. The hydrodynamic forces acting on the ship hull moving parallel to the banks are calculated. Emphasis is made on the study of the effect of free surface and bank on the ship hydrodynamic forces in restricted water.

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What this paper is about

In this paper, linearly variable Rankine sources are distributed on the panels of a ship body surface which is discrete by means of a parabolic curve plane. The uniform Rankine sources are arranged on the bank and the local free surface around the ship hull, the local free surface is divided using a body-fitted grid, the vortex filaments whose strength is the step function in depth direction are arranged in the longitudinal centre plan of the hull. The hydrodynamic forces acting on the ship hull moving parallel to the banks are calculated. Emphasis is made on the study of the effect of free surface and bank on the ship hydrodynamic forces in restricted water.

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Available abstract

In this paper, linearly variable Rankine sources are distributed on the panels of a ship body surface which is discrete by means of a parabolic curve plane. The uniform Rankine sources are arranged on the bank and the local free surface around the ship hull, the local free surface is divided using a body-fitted grid, the vortex filaments whose strength is the step function in depth direction are arranged in the longitudinal centre plan of the hull. The hydrodynamic forces acting on the ship hull moving parallel to the banks are calculated. Emphasis is made on the study of the effect of free surface and bank on the ship hydrodynamic forces in restricted water.

Key concepts: Hull, Free surface, Degree Rankine, Marine engineering, Plane (geometry), Surface (topology), Buoyancy, Mechanics

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A STUDY ON THE EFFECT OF FREE SURFACE AND BANK ON HYDRODYNAMIC MANOEUVRING FORCES ACTING ON SHIP HULLS IN RESTRICTED WATER — Research Paper | ScholarLens