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Figure Number | Items | Remarks |
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Integral variables: Coefficients of total resistance ( CT ) , heave force ( CH ) , pitching Moment ( CM ) 0th and 1st Amplitudes and 1st Phase for each hull force |
experimental data is available. download(IIHR) |
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Fig. 4-1 | Time histories of CT, CH, and CM |
experimental data is available. CT (Ct_hist.dat) CH (Ch_hist.dat) CM (Cm_hist.dat) |
Fig. 4-2 | Wave-elevation ζT contours: t / Te = 0, 1/4, 1/2, 3/4 |
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Fig. 4-3 | Wave-elevation ζT contours: 0th amplitude |
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Fig. 4-4 | Wave-elevation ζT contours: 1st amplitude |
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Fig. 4-5 | Wave-elevation ζT contours: 1st phase |
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Fig. 4-6 | u contours at x / LPP = |
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Fig. 4-7 | v contours at x / LPP = |
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Fig. 4-8 | w contours at x / LPP = |
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Fig. 4-9 | Contours of 0th and 1st amplitudes and 1st phase of u at x / LPP = |
ADOPTED(01/NOV/2004) |
Fig. 4-10 | Contours of 0th and 1st amplitudes and 1st phase of v at x / LPP = |
ADOPTED(01/NOV/2004) |
Fig. 4-11 | Contours of 0th and 1st amplitudes and 1st phase of w at x / LPP = |
ADOPTED(01/NOV/2004) |
Incident wave amplitude | |
Wave steepness | |
Frequency of the incident wave, | |
Encounter frequency, | |
Encounter period | |
Time, at t=0 a crest of the incident wave is coincident with the FP of the ship | |
Ship speed | |
Velocity components in directions, respectively | |
Incident wave length | |
Free surface elevation |
As a time reference, incident wave height at 0.0 ( FP of the ship ) is defined as
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where is the initial phase and is equal to be zero from the present definition of above. Fourier Series for time history and are determined as follows:
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is -th harmonic amplitude and is the corresponding phase.
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