THE MOTIONS OF SMALL BOATS IN STANDING WAVES

Fredric Raichlen

Abstract


Some dynamical aspects of the surge motions of small boats moored asymmetrically with elastic non-linear restraints are discussed herein. In connection with the theoretical analysis of mooring dynamics, experiments were conducted to determine the periods of the free oscillations of a 26-ft boat moored in various ways in a floating slip. These results are in reasonable agreement with those predicted theoretically. An analytical study of the mooring dynamics of seven small boats indicated that the periods of free oscillation were less than about 10 sec. , hence, for these boats the important wave periods for forced oscillations would be in the range of those of storm waves.

Keywords


standing waves; small boats; vessel motion

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