118
4 Physical Mechanisms Forming the Wave Spectrum in Deep Water
0.001
0.0001
1e-005
1e-006
s y =2.848E-007' P ,,
0
\
\
y =().05461' ~-6.252) .
8
~ in~lvalue
- - t =250s
--a-- 1 : 1000 s
- e - t=10e+4s
------6------ I • 1 Oe+Ss.
- 9 - - t=10e+6s
~ t,. 10e•7s
Y =2.8411E.()t)7' pow(X, 17. 14)
Y =0.~61 ' pow(X,-6.252)
y . 0.01049'pow(X.-3.769)
Y= 0.01049'~-3.7aS)' •-.
12
16
alq,.. 20
Fig. 4.17. Frequency spectrum evolution for the initial value (4.13) and (4.15) and
1 = 3.3, 2s = 2 at different time moments
- 1 - initial value
~ t = 250s
D
--a- t = 1000s
--e--- t= 10e+4s
--ft--- t = 10e+5s
-----v----- t = 10e+6s
t= 10e+7s
--t= 10e+8s
0 .8
0 .6
0 .4
0.2
0.5
1.5
2
2_5 crcr_ 3
Fig. 4.18. Parameter D for the initial value (4.13) and (4.15) and 1 = 3.3, n = 2
at different time moments