0.6 





















I 



PRESSURE 









DIMENSIONAL 



PARAMETERS 









0.5 

 0.4 





OKTW9UT10K 





LENGTH- 100 FEET BEAM - 30 FEET 

 DEPTH = 25 FEET SPEED « 25 2 KNOTS 























u=°V 



~^ 



























h 



s 



\. 





OF CENTERL 



NE IN FEET 



a 































rt 





\ 



\ 



25 



50 







r~\ 





£=0.25 







/ 





/ 



V 



w 



















p nn 





t v 





\ 









/ 





/ 





^ 

















P0 







\ 



-* — 

 \ 

 \ 







/ 





// 



' 

























-0.1 

 -0.2 







A 





\ 





■J 



1 



/ 

 / 

 / 



/ 































p 





\ 



\ 



\ 







/ 

 / 



/ 



/ 

































'--, 



\ 







\, 



/ 



/ 





































X 



/ 











































\ 



J 





























-2 



5 



-2 







-1 



.5 



-1 







-0 



5 



0.0 



0.5 



1.0 



1.5 



2.0 



2.5 



Figure 10 - Bottom Pressure for - = 0.25, F = 1.5 ( — = 0.3] 























PRESSURE 





, 







DIMENSIONAL PARAMETERS 









DISTRIBUTION 





u 



CENTERLINE PRESSURE 











shallow-water 



approximation ""»■ 









F - 10 







LENGTH = 100 FEET BEAM = 30 FEET 

 SPEED = 106.2 KNOTS 





















r 





F = 7 



\ 







DEPTH IN FEET 



1 / 





















/ 



S 

 S 



•" 







\ 







40 



















/ 





.- — 



F -5 



N 



\ 

































■'_ 









1 

 F = 3 





X 



^ 

































^ 



' / 





































































12.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 1.6 



Figure 11 - Comparison of Exact Theory with Shallow-Water Approximation 



for 



y I h B \ 



2- = o — = O.l, 0.2, 0.4, 1.1; - = 0.3 I 

 L » L L > 



13 



