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Simulation of Ship Steering Motion with Roll by a Component-Type Mathematical Model for European and Japanese Fishing Vessels with Trim Change
Maneuvering Motion a Component-Type Mathematical Model Turning Maneuver Heel Moment
2009/5/18
Maneuvering motions of fishing vessels are important in the situation of fishing operation at slow ship speed. Especially the roll motion of the fishing vessel relates to the capsizing by steering mot...
Measurements of the Velocity-Pressure Correlation in a Circular Turbulent Jet
Velocity-Pressure Correlation Pressure Diffusion Circular Turbulent Jet Pressure Fluctuation Hot Film Sensor Turbulence Modeling
2009/5/18
Measurements of the velocity-pressure correlations, double- and triple-velocity correlations called the pressure-diffusion, Reynolds stress and the turbulent transport, respectively, in the self-prese...
Modelling Towards Container Cargo Activities through Kobe Port
Port Use Planning in Japan The Revitalization of Kobe Port
2009/5/12
In January 1995, port of Kobe was severely damaged by the Hanshin-Awaji disaster. After the earthquake, all of port facilities have been recovered by the end of March 1997. Since then, various measure...
Stress Concentration Factors in Bilge Knuckle Part
Williams’ solution Stress Concentration Factor Bulk Carrier Container Ship Tanker Structure Finite Element Analysis
2009/5/12
The stress concentration factor in complex structure is important in the estimation of fatigue life and strength of the structure where nominal stresses are available in design stage. Extensive finite...
Hydrodynamic Forces Acting on Floating Breakwater using Submerged Plate and Its Motion
Breakwater Submerged Plates Hydrodynamic Forces Motions
2009/5/12
The new-type breakwater system that consists of the submerged horizontal plates, so-called Floating Breakwater using Submerged Plate (FBSP), has been proposed, in order to preserve the environment. Th...
Experimental Study on Propulsive Performance of Surface Piercing Propeller
Surface Piercing Propeller Horizontal Rake Angle of Propeller Shaft Immersion Ratio Propeller Efficiency Design Chart High Speed Vessel
2009/5/12
It is generally known that the screw propeller has the highest efficiency in the marine propulsive devices. For fully submerged propeller it is well known that cavitation phenomena on propeller blades...
Simulated Calculations of the Small-Sized Tanker for the Fullness
Form Factor Wave-making Resistance Thrust Deduction Effective Wake Small-sized Tanker Brake Horse Power CFD
2009/5/12
An efficient hull form design needs to incorporate prediction methods that will be able to predict the influence of hull form modification on the ship performance. This paper presents a simple predict...
An Optimization Method for Full Form Ships Using a Simple Prediction of the Thrust Deduction Factor
Optimization Minimum Thrust Deduction Factor Nonlinear Programming
2009/5/12
Developing full form ship with maximum efficiency self-propulsion factors (t: Thrust deduction factor, ωs: Wake fraction, ηr: Relative rotative efficiency) is as important as developing one with light...
Wave Making Resistance of Ships in Shallow Water Based on Second Order Free Surface Condition with Sinkage and Trim Effects
Resistance Boundary Element Method Shallow Water Morino Perturbation Method Free-Surface Flow
2009/5/12
The problem of free surface potential flow around a ship in shallow water is subjected to linearized form of free surface condition and kinematic conditions on the body and bottom surface. The solutio...
A Consideration on Nonlinear Component of Maneuvering Hydrodynamic Force from Segmented Model Test Results-Hydrodynamic Force on Ship Hull in Turning Motion
Maneuverability Hydrodynamic Forces Nonlinear Component Segmented Model Turning Motion
2009/5/12
In order to clarify availability of the so-called cross-flow model, some model experiments on longitudinal distribution of lateral force on a ship hull were carried out with the segmented model. Later...
Progressive Collapse Analysis of Ship's Hull Girder in Longitudinal Bending Using Idealized Structural Unit Method
Ship's Hull Girder Longitudinal Bending Idealized Structural Unit Method
2009/4/30
An application of the Idealized Structural Unit Method (ISUM) to analyze the progressive collapse behavior of ship's hull girder in longitudinal bending is developed. A new ISUM stiffened plate model ...
A Study on Static Strength of Fillet Welded Joint for Ship Structure-Effect of Inclined Angle, Partial Joint Penetration, Gap
Static Strength Fillet Welded Joint, Inclined Angle Partial Joint Penetration Gap
2009/4/30
The effect of inclined angle on static strength of fillet welded joint for inclined hold frame at forward and afterward hold is studied. In this study normal shear strength of the inclined fillet wel...
Influence of Outrigger Position on the Performaces of a High Speed Trimaran(1st Report: Resistance and Wave Wash)
Outrigger Position High Speed Trimaran
2009/4/30
Influence of outrigger position of a high speed trimaran on the resistance and wave wash was investigated by the tank tests changing 9 outrigger positions of the trimaran model. The trimaran is compos...
Variable Rotational Speed Control for Fixed-pitch Type Wind Turbines Using LPV Techniques
Rotational Speed Fixed-pitch Type LPV
2009/4/30
In the paper, we consider the problem of variable rotational speed control for a wind turbine with the pitch fixed from the view point of scheduling by wind speed. For this problem, we apply LPV (Line...
A Shape Optimization System of Ship Structures Using a Function Recognizing Structure Members- Shape Optimization of Double Bottom Part of Ship Structure -
Shape Optimization System Ship Structures Function Recognizing Structure Members
2009/4/29
A structure optimization for the initial design stage using FEM of ship is under consideration in this paper. General bulk carrier is selected for the object of the optimization. Shapes of a bottom st...