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 74
... ratio of water particle displacement in one wave period to pile diameter . In wave- current coexisting field it is equal to the product of and ratio of maximum water partile displacement in direction within one wave period to pile ...
... ratio of water particle displacement in one wave period to pile diameter . In wave- current coexisting field it is equal to the product of and ratio of maximum water partile displacement in direction within one wave period to pile ...
Page 89
... ratio becomes e / D = 0.2 . This is obviously a consequence of the boundary layer development over the cylinder surface and along the wall . Lift force Fig . 8 presents the lift - force traces for KC = 20 for various values of the gap ratio ...
... ratio becomes e / D = 0.2 . This is obviously a consequence of the boundary layer development over the cylinder surface and along the wall . Lift force Fig . 8 presents the lift - force traces for KC = 20 for various values of the gap ratio ...
Page 175
... ratio of the radiation boundary radius to the radius of the hemisphere has been reduced to the very low level of R / r = 1.02 , there is no loss of predictive capability ! Next the same problem is considered for R / r = 1.2 and we vary ...
... ratio of the radiation boundary radius to the radius of the hemisphere has been reduced to the very low level of R / r = 1.02 , there is no loss of predictive capability ! Next the same problem is considered for R / r = 1.2 and we vary ...
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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added mass amplitude analysis applied array assumed body boundary calculated circular cylinder coefficient comparison component computed considered constant corresponding crest cylinder damping defined depends depth determined direction distribution domain drag coefficient drift dynamic effect elevation Engineering equation estimated experimental experiments factor field Figure flow fluid forward frequency function given horizontal hydrodynamic incident increase inertia integral irregular Kc number length lift force linear load low-frequency maximum mean measured method moored motion nonlinear obtained Offshore oscillation parameters period pile plate potential predicted presented pressure problem radiation range reference regular waves respectively response second-order ship shown shows simulation solution spectra spectrum speed structure surface surge swing Table theory velocity vertical vessel vortex wave force wave height