Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 1
... crests occur more frequently than predicted by the Rayleigh distri- bution . In this paper , a theory is presented to account for nonlinearities in the sea state to second - order resulting in a non - Rayleigh distribu- tion of wave crest ...
... crests occur more frequently than predicted by the Rayleigh distri- bution . In this paper , a theory is presented to account for nonlinearities in the sea state to second - order resulting in a non - Rayleigh distribu- tion of wave crest ...
Page 3
... crest ampli- tudes were noticeably elevated while trough amplitudes were reduced relative to a linear sea surface . Therefore , more crest envelope cross- ings occurred than were predicted by the linear envelope theory leading to ...
... crest ampli- tudes were noticeably elevated while trough amplitudes were reduced relative to a linear sea surface . Therefore , more crest envelope cross- ings occurred than were predicted by the linear envelope theory leading to ...
Page 4
... crest and trough amplitudes from ( 13 ) and ( 1 ) becomes to leading order T P ( r ) = exp ( - μο +2 2μο - ) ) · ( 1 = kr ) exp ( ± k —— ) 2μο p ( a / Hs ) 3.00 2.50 ( 16 ) 2.00 RAYLEIGH CREST TROUGH R - 0.33 This expression is ...
... crest and trough amplitudes from ( 13 ) and ( 1 ) becomes to leading order T P ( r ) = exp ( - μο +2 2μο - ) ) · ( 1 = kr ) exp ( ± k —— ) 2μο p ( a / Hs ) 3.00 2.50 ( 16 ) 2.00 RAYLEIGH CREST TROUGH R - 0.33 This expression is ...
Contents
OCEAN WAVES | 1 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
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acceleration added mass amplitude analysis boundary conditions calculated circular cylinder computed cosh crest cylinder array damping coefficient damping factor density diffraction domain drag coefficient drag force drift force dynamic effect equation estimated flow fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients integral irregular Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method motion nonlinear obtained offshore structures oscillatory parameters pile plate potential flow predicted quadratic rad/sec radiation condition ratio regular waves response Sarpkaya second order second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tank tanker transfer function vector velocity potential viscous vortex shedding vortices water depth wave amplitude wave drift damping wave excitation wave force wave frequency wave groups wave height wave number wave period wave power