forced dispersive waves in a narrow channel
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7/28/2019 Forced Dispersive Waves in a Narrow Channel
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wavefr
equency(radiansp
ersecond)
22
20
18
16
14
12
10
8
6
4
2
m=9
m=
0
0 10 20 30 40
wavenumber (radians per meter)
50
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24
wavefr
equency(radiansp
ersecond) 22
20
18
16
14
12
10
8
6
4
2
m=9
m=0
0 10 20 30 40
wavenumber (radians per meter)
50
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1.5
group
velocity(meterspe
rsecond)
1
0.5
0
m=0
m = 9
0 10 20 30 40 50
wavenumber (radians per meter)
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1
group
velocity(meterspe
rsecond)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
m=0
m = 9
0 10 20 30 40
wavenumber (radians per meter)
50
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http://anim/wave_elevation_1st_mode_30m.avihttp://anim/wave_elevation_2nd_mode_bcutofl_30m.avihttp://anim/wave_elevation_2nd_mode_bcutofl_30m.avihttp://anim/wave_elevation_2nd_mode_bcutofl_30m.avihttp://anim/wave_elevation_1st_mode_30m.avihttp://anim/wave_elevation_1st_mode_30m.avi -
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0.9
groupvelocity(meters
persecond)
Maximum group velocity for 1 st cosine mode
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
n=0 l
n = 9
Maximum group ve ocity for the 2ndcosine wave mode
0 10 20 30 40
wavenumber (radians per meter)
50
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http://anim/wave_elevation_at_cutoff_1st_mode_30m.avihttp://anim/wave_elevation_5modes_30m.avihttp://anim/wave_elevation_5modes_30m.avihttp://anim/wave_elevation_5modes_30m.avihttp://anim/wave_elevation_at_cutoff_1st_mode_30m.avihttp://anim/wave_elevation_at_cutoff_1st_mode_30m.avi
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