Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 248
... corresponding extremes , the and approach contains the is return period of the searched still maintaining acceptable accuracy . This recommended estimation illustrated in Figure 1 and following steps : Step 1 : Estimation of sample ...
... corresponding extremes , the and approach contains the is return period of the searched still maintaining acceptable accuracy . This recommended estimation illustrated in Figure 1 and following steps : Step 1 : Estimation of sample ...
Page 394
... corresponding simulations , two observed situations are selected for detailed analysis . For these cases , the measured ( numerical ) wave spectra and the observed wave directions ( i.e. ship heading ) are used as input to the ...
... corresponding simulations , two observed situations are selected for detailed analysis . For these cases , the measured ( numerical ) wave spectra and the observed wave directions ( i.e. ship heading ) are used as input to the ...
Page 395
... corresponding to 20 % of critical damping at eigenfrequency No. 7 ( i.e. T 11.28 sec . ) . This is assumed to be high , but may well be higher . Increasing this damping to 50 % reduces the corresponding standard deviations with approx ...
... corresponding to 20 % of critical damping at eigenfrequency No. 7 ( i.e. T 11.28 sec . ) . This is assumed to be high , but may well be higher . Increasing this damping to 50 % reduces the corresponding standard deviations with approx ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
Copyright | |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power