The peak wave energy in a system of waves resulting from the passage of a ship is of importance in such problems as bank erosion, the motion of moored vessels, forces on fixed and floating docks, etc With respect to the bank erosion problem, the question often asked is whether the single passage of a large ship during a day, for example, is more damaging than numerous passages of small pleasure craft during the day With this in mind this study was conducted to determine the relative importance

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... f the peak energy resulting from the passage of a Mariner class cargo ship and a pleasure cruiser The characteristics of these vessels are as follows X CO z < cr UJ Q. O cr UJ to 3 £T O t < UJ < X CO ± o _| CD -cr < < CO o