Applying Results of Seakeeping Research 



DiffE'CTioNJAL Sea SpECTffuM 

 PiEf^50w 62 Kt. (12) 



0.0 -0.2 -0.-4 -0.6 -0.8 -1.0 LogtiJ 



FfESPONSE Amplitude 



OPEffATOt^S 



y^ 



= )QO° 



0.6 -0.5 



■1.0 Lcff,u) 



%-- IIP 



iNTE^ffATED FfESPONSE SpECTIfA 

 ^. = i QO'l H EA D S E AS) 



0.0 -0.2 -0.-4 



■0.6 



SEff lES 60 S WPS 



o.e -1.0 Leg's cJ 



Fig. 8 - Relative bow motion of series 60 ships in Pier son 

 62-knot spectrum showing effect of L/H 



203 



