Wave Excitationless Ships Forms 



£ 1.0 

 o 



o O. 

 z 

 > LO 



U 



X 



2 



ui 



I 4 



UJ : 3.49 INERTIA FORCE < BUOYANCY 



O) z 4.83 INERTIA FORCE = BUOYANCY 



1.0 

 1.0 



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M-1 sec -J 



W t 6.28 INERTIA FORCE > BUOYANCY 



Fig. 6 - Typical oscillogram of the heaving 

 force and wave elevation 



389 



