0 - 
-1.5 - à — 
e mS 
3 E P E 
> \ U = 0 m/s 
= -3.0 + : : : : 
o N (Viscous Dissipation) 
z N 
u N 
z N 
| N 
> -45- \ 
= N 
x \ : 
w \ 
= U = 3 m/s 
= \ 
-6.0 x 
5 
es, i 
rom N 
~1.5 T T rn "T T 
0 500 1000 1500 2000 2500 
e- 
orm DISTANCE AFT OF SHIP (m) 
t 
Figure 5. Predicted and Observed Wave Pattern Decay as a Function of 
Distance Aft of the Generating Ship For DREP 8-3 Data 
SHIP 
KELVIN ENVELOPE 
t 
her 
ge CUSP WAVES 
he 
ly 
er 
Dy 
“ STERN WAVES 
pe 
of 
Figure 6. Geometry of Classical Kelvin Wake 
417