A New Appraisal of Strip Theory 



1.6 

 1.4 

 1.2 

 1.0 



rr o.B 



0.6 

 0.4 

 0.2 

 0.0 



kh„ 



0.6 



+150 



+ 100 



+ 50 S 



q: 



^ 



Q 



- 50 

 * 



-100 

 -150 



0.9 



1.2 

 X/L 



1.6 

 1.4 

 1.2 

 1.0 

 •0.8 



D 



0.6 

 0.4 

 0,2 

 0.0 



0.6 



0.9 



1.2 

 X/L 



+ 150 

 + 100 



+ 5o5 



cr 

 "^ 



UJ 

 Q 



- 50 " 

 * 



-100 

 -150 



1.8 



Fig. 24 - Model C in directly astern seas, pitching 

 non-dimensional amplitude and phase angle vs 

 wavelength to shiplength ratio 



281 



