Proposing safety measures for moored ship

We propose effective and safety measures predicting limitations on cargo handling operations and mooring limits by estimating the calmness of port/harbor areas based on meteorological/oceanographic status and simulating moored ship motion induced by wave and wind conditions.

• Harbor tranquility analysis using Boussinesq Model
• Numerical simulation of moored ship motion (induced by waves)
• Numerical simulation of moored ship motion induced by tsunami

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Proposing means to reducing moored ship motion caused by long-period waves

We propose appropriate means of reducing moored ship motion by evaluating the effects of long-period waves on moored ships, based on the result of simulation and field experiments.
Large ship motions caused by long-period waves occur in a resonance phenomena related to the natural period of the moored ship and wave action. In recent years, we have tested a land-based winch on moored ships to avoid resonance phenomena.

• Numerical simulation on moored ship motion induced by long-period waves
• Measurement of moored ship motion
• Proposing ways to reduce moored ship motion

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