Testing Ship Models in Transient Waves 



LEGEND 

 A REGULAR WAVES 

 O TRANSIENT TEST 

 — NEWMAN'S THEORY 



1.2 



Frequency in cycles per second 



Fig. 18 - Heave response for Model 4889 

 at zero speed in head waves; transient 

 test compared with regular wave test 

 results 



1.2 



1.0 



: .8 



.2 .4 .6 .8 1.0 



Frequency in eye les per second 



Fig. 19 - Pitch response for Model 4889 

 at zero speed in head waves; transient 

 test compared with regular wave test 

 results 



527 



