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A Practical Correction Method for Added Resistance in Waves
Practical Correction Method Added Resistance Waves
2009/5/6
In order to estimate ship speed in actual seas it is important to calculate added resistance in waves with accuracy. Added resistance in waves usually appends the effect of wave reflection to added re...
Estimations of Motions and Added Wave Resistance of Ships Advancing in Waves by a Time-Domain Hybrid Method
a time-domain hybrid motions wave resistance of ships
2009/4/29
In this paper, we apply the method to simulate ship motions in regular head waves and also to estimate added wave resistance for four ships; two modified Wigley models, Series-60 (Cb = 0.6) and Series...
Statistical Characteristics of Winds and Waves around Japan
statistical characteristics winds and waves Japan
2009/4/29
A database was newly constructed for the purpose of investigating winds and waves around Japan. The database is based on numerical forecast data for 10 years. The forecast data were composed of signif...
Free running model test on a large container ship under wind and waves at towing tank
Free running model test large container ship towing tank
2009/4/17
A ship navigating at sea is always suffered from wind and waves. The assessment of the ship speed and thrust under external forces as the wind and waves is important from economical viewpoints. Althou...
Simulations of Ship Maneuvering in Waves（2nd report: zig-zag and stopping maneuvers）
Ship Maneuvering Waves zig-zag stopping maneuvers
2009/3/27
Simulations of zig-zag maneuver and crash astern in regular waves were carried out. The simulation model used for the stopping maneuver takes only wave drift forces into account to usual maneuvering m...
The Drift Force Acting on a Floating Body in Waves(3rd report)
Drift Force Floating Body Waves
2009/3/25
The previous research provided reciprocal forms to calculate mean wave drift forces of a freely floating body.The reciprocal form in the near field consists of the gradient of velocity potential and i...