4. Prediction of Hydrodynamic Forces on a High Speed Catamaran in a Seaway

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概要

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• Practical method is investigated to predict hydrodynamic forces on a catamaran oscillating and running at high forward speed in waves. Assumption of relatively large variation of flow variables along the ship length leads to flow field around the ship with dominant diverging waves. Chapman's approach is used to solve the boundary value problem for the unsteady velocity potential around twin hull's section contour with retaining all the terms of the full linear free surface condition including forward speed effect. Results show that the predicted hydrodynamic forces agree at high Froude number with the measured on a model ship. Exception is the diffraction wave field around the ship.

• 社団法人日本船舶海洋工学会の論文

著者

• Faltinsen Odd

  Norwegian Institute Of Technology

• Ohkusu Makoto

  Research Institute for Applied Mechanics, Kyushu University

• Yasunaga Makoto

  Research Institute for Applied Mechanics, Kyushu University

• Inada Masaru

  Research Institute for Applied Mechanics, Kyushu University

• Inada Masaru

  Research Institute For Applied Mechanics Kyushu University

• Ohkusu Makoto

  Research Institute For Applied Mechanics Kyushu University

• Yasunaga Makoto

  Research Institute For Applied Mechanics Kyushu University

関連論文

• 4. Prediction of Hydrodynamic Forces on a High Speed Catamaran in a Seaway
• 7. Hydrodynamic Forces on a Ship Moving at Forward Speed in Waves
• Hydrodynamics of a body floating in a two-layer fluid of finite depth : Part 2. Diffraction problem and wave-induced motions
• A Time-Domain Nonlinear Simulation Method for Wave-Induced Motions of a Floating Body
• 6. Prediction of Wave Forces on a Ship Running in Following Waves with Low Encounter Frequency
• Wave Action on Groups of Vertical Circular Cylinders
• Added Resistance of Blunt Bow Ships in Very Short Waves

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