Davis and Zarnick 



-nWWWWVWWVWVWVAAAA/^ 



10 Sec.->^ l-e— 

 Excitation for First Series of Tests 



HWmWWWWWWWWWVVVlAA^^ 



10 Sec.->| h^— 



Excitation for Second Series of Tests 



Fig. 11 - Transient voltage excitation to wavemaking 

 system during first and second series of model tests 



MODEL 4606 SERIES 60 

 RUN 6 PROGRAM 12 

 ZERO SPEED 



HEAVE 



FWD WAVE HEIGHT 



-.vvwwwwwwwvwvwWVyyiA'"''^^' 



SIDE WAVE HEIGHT n " ' A 



Fig. 12 - Typical transient recording taken during 

 second series of model tests 



522 



