Testing Ship Models in Transient Waves 



80 Feet from Wavemaker 



160 Feet from Wavemaker 



272 Feet from Wavemaker 



Fig. 28 - Transient waveform measured 

 at various locations in basin; program 

 used in second series of test 



.2 .3 .4 .6 



Frequency in eye les per second 



8 1.0 



Fig. 29 - Model generated wave height/forced ratio; 

 effect of motion generated waves on forward wave 

 height measurement 



533 



