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 148
... presented in Fig . 4 . The added mass coefficient was computed from the measured natural period , To , the spring constant , K , and the semisubmersible's displaced mass , Ms , using the formula Ca = - ) 2 KT 0 - 4π 2 Ms ) / Ms ( 14 ) ...
... presented in Fig . 4 . The added mass coefficient was computed from the measured natural period , To , the spring constant , K , and the semisubmersible's displaced mass , Ms , using the formula Ca = - ) 2 KT 0 - 4π 2 Ms ) / Ms ( 14 ) ...
Page 149
... presented with reference to the tanker in Fig . 14. It can be seen in this figure that there are wave frequencies at which the semisubmersible exhibits far greater damping than the tanker . The added mass coefficient for the semisubmers ...
... presented with reference to the tanker in Fig . 14. It can be seen in this figure that there are wave frequencies at which the semisubmersible exhibits far greater damping than the tanker . The added mass coefficient for the semisubmers ...
Page 175
... presented results will be limited to our predictions based on the eigenfunction expansion technique . NUMERICAL RESULTS All reported predictions are based on head sea conditions of 180 ° unless indicated otherwise in the figure captions ...
... presented results will be limited to our predictions based on the eigenfunction expansion technique . NUMERICAL RESULTS All reported predictions are based on head sea conditions of 180 ° unless indicated otherwise in the figure captions ...
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