A Survey of Ship Motion Stabilization 



3 2 



.-I 



b 



G 



5 



0.100 

 0.0224 



0.200 0.300 0.400 0.500 0.600 



Model Roll Frequency in cycles per second 

 0.0447 0.0671 0.0895 0.1119 0.1342 



Ship Roll Frequency in cycles per second 



Fig. 17 - Variation of tank moment with roll 

 frequency for three different water depths 



221-249 O - 66 - 50 



769 



